Accepted and Synonym Current as of Scientific Names List: 29-Jan-2021 Vascular

IMPORTANT USER INFORMATION: This list is being provided by the Saskatchewan Conservation Data Centre as a tool to facilitate users in determining the current, accepted for vascular plants. All names currently in the SKCDC database are provided alphabetically below. If a name is currently out of use in Saskatchewan, it’s current synonym is provided following it in brackets, DETAILS ON SPECIAL CASES BELOW:

In this list, as in our species list, we are unable to distinguish between true synonyms and misapplied names used as synonyms. For example, Cryptantha fendleri is an accepted name for a taxon that is currently found in Saskatchewan. This name, however, has also been misapplied to both Cryptantha kelseyana and Cryptantha minima in the past, therefore appears as a synonym to those two species.

In addition, there may be more than one current name for any given out-of-date name (for example see Cryptantha nubigena) if a species had been split or if a name was misapplied to more than one species in the past.

It is up to the user to ensure that the taxon name they choose is the correct one for what they have observed.

Please notify the SKCDC botanist of any errors or omissions.

Species Name (For Synonyms, Accepted Name is in Brackets):

Abies balsamea

Abronia micrantha (Tripterocalyx micranthus)

Abutilon theophrasti

Acer ginnala

Acer negundo var. interius

Acer negundo var. violaceum

Acer saccharinum

Acer spicatum

Achillea alpina

Achillea borealis (Achillea millefolium)

Achillea lanulosa ssp. megacephala (Achillea millefolium var. megacephala)

Achillea millefolium

Achillea millefolium ssp. megacephala (Achillea millefolium var. megacephala)

Achillea millefolium var. megacephala

Achillea multiflora (Achillea alpina)

Achillea sibirica (Achillea alpina)

Achnatherum hymenoides

Achnatherum nelsonii ssp. dorei

Achnatherum richardsonii

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 1 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Acmispon americanus var. americanus (Lotus unifoliolatus var. unifoliolatus)

Acorus americanus

Acorus calamus (Acorus americanus)

Acorus calamus var. americanus (Acorus americanus)

Acroptilon repens

Actaea rubra

Adoxa moschatellina

Aegopodium podagraria

Agastache anethiodora (Agastache foeniculum)

Agastache foeniculum

Agoseris agrestis (Agoseris glauca var. dasycephala)

Agoseris cuspidata (Nothocalais cuspidata)

Agoseris glauca var. agrestis (Agoseris glauca var. dasycephala)

Agoseris glauca var. dasycephala

Agoseris glauca var. glauca

Agrimonia striata

Agropyron albicans (Elymus albicans)

Agropyron albicans var. griffithsii (Elymus albicans)

Agropyron caninum ssp. majus (Elymus trachycaulus ssp. trachycaulus)

Agropyron caninum var. unilaterale (Elymus trachycaulus ssp. subsecundus)

Agropyron cristatum (Agropyron cristatum ssp. pectinatum)

Agropyron cristatum (Agropyron fragile)

Agropyron cristatum ssp. fragile (Agropyron fragile)

Agropyron cristatum ssp. pectinatum

Agropyron cristatum var. dessertorum (Agropyron cristatum ssp. pectinatum)

Agropyron dasystachyum (Elymus lanceolatus ssp. lanceolatus)

Agropyron dasystachyum ssp. albicans (Elymus albicans)

Agropyron dasystachyum ssp. psammophilus (Elymus lanceolatus ssp. psammophilus)

Agropyron dasystachyum var. psammophilum (Elymus lanceolatus ssp. psammophilus)

Agropyron dasystachyum var. psammophilus (Elymus lanceolatus ssp. psammophilus)

Agropyron desertorum (Agropyron cristatum ssp. pectinatum)

Agropyron fragile

Agropyron fragile ssp. sibiricum (Agropyron fragile)

Agropyron fragile var. sibiricum (Agropyron fragile)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 2 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Agropyron intermedium (Thinopyrum intermedium)

Agropyron intermedium var. trichophorum (Thinopyrum intermedium)

Agropyron pauciflorum (Elymus trachycaulus ssp. trachycaulus)

Agropyron pauciflorum ssp. majus (Elymus trachycaulus ssp. trachycaulus)

Agropyron pectiniforme (Agropyron cristatum ssp. pectinatum)

Agropyron prostratum (Eremopyrum triticeum)

Agropyron psammophilus (Elymus lanceolatus ssp. psammophilus)

Agropyron pseudorepens var. sennii (Elymus vulpinus)

Agropyron pseudorepens var. vulpinum (Elymus vulpinus)

Agropyron repens (Elymus repens)

Agropyron smithii (Pascopyrum smithii)

Agropyron smithii var. molle (Pascopyrum smithii)

Agropyron spicatum (Pseudoroegneria spicata)

Agropyron spicatum var. inerme (Pseudoroegneria spicata)

Agropyron subsecundum (Elymus trachycaulus ssp. subsecundus)

Agropyron trachycaulum (Elymus trachycaulus ssp. trachycaulus)

Agropyron trachycaulum var. glaucum (Elymus trachycaulus ssp. subsecundus)

Agropyron trachycaulum var. majus (Elymus trachycaulus ssp. trachycaulus)

Agropyron trachycaulum var. unilaterale (Elymus trachycaulus ssp. subsecundus)

Agropyron triticeum (Eremopyrum triticeum)

Agropyron vulpinum (Elymus vulpinus)

Agropyron x pseudorepens (Elymus vulpinus)

Agropyrum riparium (Elymus lanceolatus ssp. lanceolatus)

Agrostemma githago

Agrostis alba (Agrostis gigantea)

Agrostis alba var. major (Agrostis gigantea)

Agrostis borealis (Agrostis mertensii)

Agrostis exarata

Agrostis exarata ssp. minor (Agrostis exarata)

Agrostis exarata var. minor (Agrostis exarata)

Agrostis gigantea

Agrostis gigantea var. dispar (Agrostis gigantea)

Agrostis mertensii

Agrostis mertensii ssp. borealis (Agrostis mertensii)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 3 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Agrostis scabra var. scabra

Agrostis stolonifera ssp. gigantea (Agrostis gigantea)

Agrostis stolonifera var. major (Agrostis gigantea)

Agrostis stolonifera var. palustris

Alisma brevipes (Alisma triviale)

Alisma geyeri (Alisma gramineum)

Alisma gramineum

Alisma gramineum var. angustissimum (Alisma gramineum)

Alisma gramineum var. gramineum (Alisma gramineum)

Alisma gramineum var. graminifolium (Alisma gramineum)

Alisma gramineum var. greyeri (Alisma gramineum)

Alisma plantago-aquatica var. americana (Alisma triviale)

Alisma plantago-aquatica var. brevipes (Alisma triviale)

Alisma subcordatum (Alisma triviale)

Alisma triviale

Allium cernuum

Allium cernuum (Allium stellatum)

Allium cernuum var. cernuum (Allium cernuum)

Allium geyeri var. textile (Allium textile)

Allium schoenoprasum ssp. sibiricum (Allium schoenoprasum var. sibiricum)

Allium schoenoprasum var. schoenoprasum

Allium schoenoprasum var. sibiricum

Allium sibiricum (Allium schoenoprasum var. sibiricum)

Allium stellatum

Allium textile

Almutaster pauciflorus

Alnus alnobetula ssp. crispa (Alnus viridis ssp. crispa)

Alnus alnobetula ssp. fruticosa (Alnus viridis ssp. fruticosa)

Alnus crispa (Alnus viridis ssp. crispa)

Alnus crispa var. elongata (Alnus viridis ssp. crispa)

Alnus incana ssp. rugosa

Alnus incana ssp. tenuifolia

Alnus incana var. occidentalis (Alnus incana ssp. tenuifolia)

Alnus incana var. virescens (Alnus incana ssp. tenuifolia)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 4 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Alnus occidentalis (Alnus incana ssp. tenuifolia)

Alnus rugosa (Alnus incana ssp. rugosa)

Alnus rugosa var. americana (Alnus incana ssp. rugosa)

Alnus tenuifolia (Alnus incana ssp. tenuifolia)

Alnus viridis ssp. crispa

Alnus viridis ssp. fruticosa

Alnus viridis ssp. sinuata (Alnus viridis ssp. crispa)

Alnus viridis var. crispa (Alnus viridis ssp. crispa)

Alopecurus aequalis var. aequalis

Alopecurus alpinus (Alopecurus magellanicus)

Alopecurus arundinaceus

Alopecurus borealis (Alopecurus magellanicus)

Alopecurus carolinianus

Alopecurus geniculatus

Alopecurus geniculatus var. caespitosus (Alopecurus carolinianus)

Alopecurus magellanicus

Alopecurus occidentalis (Alopecurus magellanicus)

Alopecurus pratensis

Alyssum alyssoides

Alyssum desertorum

Alyssum desertorum var. desertorum (Alyssum desertorum)

Alyssum turkestanicum (Alyssum desertorum)

Amaranthus albus

Amaranthus blitoides

Amaranthus californicus

Amaranthus graecizans (Amaranthus blitoides)

Amaranthus powellii

Amaranthus retroflexus

Amaranthus retroflexus var. powellii (Amaranthus powellii)

Amaranthus retroflexus var. pseudoretroflexus (Amaranthus powellii)

Ambrosia acanthicarpa

Ambrosia artemisiifolia var. elatior

Ambrosia coronopifolia (Ambrosia psilostachya)

Ambrosia elatior (Ambrosia artemisiifolia var. elatior)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 5 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Ambrosia psilostachya

Ambrosia trifida var. integrifolia (Ambrosia trifida var. trifida)

Ambrosia trifida var. trifida

Amelanchier alnifolia var. alnifolia

Amelanchier canadensis (Amelanchier alnifolia var. alnifolia)

Amelanchier florida (Amelanchier alnifolia var. alnifolia)

Amelanchier humilis

Amelanchier mucronata (Amelanchier humilis)

Amelanchier sanguinea

Amelanchier sanguinea var. grandiflora (Amelanchier sanguinea)

Amerorchis rotundifolia

Amphiscirpus nevadensis

Amsinckia intermedia

Amsinckia menziesii var. intermedia (Amsinckia intermedia)

Amygdalus nana

Anagallis arvensis ssp. arvensis

Anagallis minima

Anaphalis margaritacea

Anaphalis margaritacea var. angustior (Anaphalis margaritacea)

Anaphalis margaritacea var. intercedens (Anaphalis margaritacea)

Anaphalis margaritacea var. occidentalis (Anaphalis margaritacea)

Anaphalis margaritacea var. subalpina (Anaphalis margaritacea)

Anchusa arvensis

Anchusa officinalis

Androcera rostrata (Solanum rostratum)

Andromeda glaucophylla (Andromeda polifolia var. latifolia)

Andromeda polifolia ssp. glaucophylla (Andromeda polifolia var. latifolia)

Andromeda polifolia var. concolor (Andromeda polifolia var. polifolia)

Andromeda polifolia var. glaucophylla (Andromeda polifolia var. latifolia)

Andromeda polifolia var. latifolia

Andromeda polifolia var. polifolia

Andropogon gerardi (Andropogon gerardii)

Andropogon gerardii

Andropogon gerardii var. incanescens (Andropogon hallii)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 6 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Andropogon hallii

Andropogon hallii var. incanescens (Andropogon hallii)

Andropogon scoparius (Schizachyrium scoparium var. scoparium)

Androsace occidentalis

Androsace septentrionalis

Androsace septentrionalis ssp. puberulenta (Androsace septentrionalis)

Androsace septentrionalis ssp. septentrionalis (Androsace septentrionalis)

Androsace septentrionalis var. subulifera (Androsace septentrionalis)

Anemonastrum canadense (Anemone canadensis)

Anemonastrum richardsonii (Anemone richardsonii)

Anemone canadensis

Anemone cylindrica

Anemone multifida var. globosa (Anemone multifida var. multifida)

Anemone multifida var. hudsoniana (Anemone multifida var. multifida)

Anemone multifida var. multifida

Anemone multifida var. richardsiana (Anemone multifida var. multifida)

Anemone nemorosa var. bifolia (Anemone quinquefolia var. quinquefolia)

Anemone parviflora var. parviflora

Anemone patens var. multifida

Anemone patens var. nuttalliana (Anemone patens var. multifida)

Anemone quinquefolia var. bifolia (Anemone quinquefolia var. quinquefolia)

Anemone quinquefolia var. interior (Anemone quinquefolia var. quinquefolia)

Anemone quinquefolia var. quinquefolia

Anemone richardsonii

Anemone virginiana var. cylindroidea

Anemones patens var. wolfgangiana (Anemone patens var. multifida)

Anethum graveolens

Antennaria aizoides (Antennaria umbrinella)

Antennaria albescens (Antennaria rosea ssp. pulvinata)

Antennaria anaphaloides

Antennaria aprica (Antennaria parvifolia)

Antennaria aprica var. minuscula (Antennaria parvifolia)

Antennaria campestris (Antennaria neglecta)

Antennaria corymbosa

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 7 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Antennaria corymbosa (Antennaria microphylla)

Antennaria dimorpha

Antennaria dioica var. corymbosa (Antennaria corymbosa)

Antennaria flavescens (Antennaria umbrinella)

Antennaria gaspensis (Antennaria rosea ssp. pulvinata)

Antennaria howellii ssp. canadensis

Antennaria howellii ssp. howellii

Antennaria howellii ssp. neodioica

Antennaria howellii var. campestris (Antennaria neglecta)

Antennaria latisquama (Antennaria dimorpha)

Antennaria macrocephala (Antennaria dimorpha)

Antennaria microphylla

Antennaria microphylla (Antennaria parvifolia)

Antennaria neglecta

Antennaria neglecta var. athabascensis (Antennaria neglecta)

Antennaria neglecta var. attenuata (Antennaria howellii ssp. neodioica)

Antennaria neglecta var. campestris (Antennaria neglecta)

Antennaria neglecta var. howellii (Antennaria howellii ssp. howellii)

Antennaria neglecta var. neglecta (Antennaria neglecta)

Antennaria neglecta var. neodioica (Antennaria howellii ssp. neodioica)

Antennaria neodioica (Antennaria howellii ssp. neodioica)

Antennaria neodioica var. howellii (Antennaria howellii ssp. howellii)

Antennaria nitida (Antennaria microphylla)

Antennaria obovata (Antennaria howellii ssp. neodioica)

Antennaria parvifolia

Antennaria parvifolia (Antennaria microphylla)

Antennaria pulcherrima ssp. pulcherrima

Antennaria pulcherrima var. anaphaloides (Antennaria anaphaloides)

Antennaria pulcherrima var. angustisquama (Antennaria pulcherrima ssp. pulcherrima)

Antennaria pulcherrima var. sordida (Antennaria pulcherrima ssp. pulcherrima)

Antennaria pulvinata (Antennaria rosea ssp. pulvinata)

Antennaria rosea ssp. arida

Antennaria rosea ssp. pulvinata

Antennaria rosea ssp. rosea

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 8 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Antennaria rosea var. nitida (Antennaria microphylla)

Antennaria russellii (Antennaria howellii ssp. neodioica)

Antennaria solstitialis (Antennaria microphylla)

Antennaria umbrinella

Anthemis cotula

Anthemis foetida (Anthemis cotula)

Anthemis tinctoria (Cota tinctoria)

Anthoxanthum hirtum ssp. arcticum

Anticlea elegans (Zigadenus elegans ssp. elegans)

Antirrhinum majus

Apera interrupta

Aphyllon corymbosum ssp. mutabile (Orobanche corymbosa ssp. mutabilis)

Aphyllon fasciculatum (Orobanche fasciculata)

Aphyllon ludovicianum (Orobanche ludoviciana)

Aphyllon purpureum (Orobanche uniflora var. occidentalis)

Aphyllon uniflorum (Orobanche uniflora var. occidentalis)

Apocynum androsaemifolium

Apocynum androsaemifolium var. glabrum (Apocynum androsaemifolium)

Apocynum androsaemifolium var. incanum (Apocynum androsaemifolium)

Apocynum androsaemifolium var. pumilum (Apocynum androsaemifolium)

Apocynum cannabinum var. hypericifolium

Apocynum x floribundum

Apocynum x medium (Apocynum x floribundum)

Aquilegia brevistyla

Aquilegia canadensis

Aquilegia canadensis var. eminens (Aquilegia canadensis)

Arabidopsis arenicola

Arabidopsis glauca (Eutrema salsugineum)

Arabidopsis glauca (Transberingia bursifolia ssp. virgata)

Arabidopsis lyrata ssp. kamchatica

Arabidopsis lyrata ssp. lyrata

Arabidopsis salsuginea (Eutrema salsugineum)

Arabidopsis stenocarpa (Transberingia bursifolia ssp. virgata)

Arabis arenicola (Arabidopsis arenicola)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 9 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Arabis arenicola var. pubescens (Arabidopsis arenicola)

Arabis boivinii (Boechera grahamii)

Arabis collinsii (Boechera collinsii)

Arabis divaricarpa (Boechera grahamii)

Arabis divaricarpa var. dacotica (Boechera grahamii)

Arabis divaricarpa var. stenocarpa (Boechera grahamii)

Arabis drummondii (Boechera stricta)

Arabis drummondii var. connexa (Boechera stricta)

Arabis glabra (Turritis glabra)

Arabis hirsuta ssp. pycnocarpa (Arabis pycnocarpa var. pycnocarpa)

Arabis hirsuta var. pycnocarpa (Arabis pycnocarpa var. pycnocarpa)

Arabis holboellii var. boivinii (Boechera grahamii)

Arabis holboellii var. collinsii (Boechera collinsii)

Arabis holboellii var. retrofracta (Boechera retrofracta)

Arabis holboellii var. secunda (Boechera retrofracta)

Arabis humifusa (Arabidopsis arenicola)

Arabis kamchatica (Arabidopsis lyrata ssp. kamchatica)

Arabis lyrata ssp. kamchatica (Arabidopsis lyrata ssp. kamchatica)

Arabis lyrata var. glabra (Arabidopsis lyrata ssp. kamchatica)

Arabis lyrata var. kamchatica (Arabidopsis lyrata ssp. kamchatica)

Arabis lyrata var. lyrata (Arabidopsis lyrata ssp. lyrata)

Arabis macrocarpa (Turritis glabra)

Arabis pycnocarpa ssp. pycnocarpa (Arabis pycnocarpa var. pycnocarpa)

Arabis pycnocarpa var. pycnocarpa

Arabis retrofracta var. collinsii (Boechera collinsii)

Arabis x divaricarpa (Boechera grahamii)

Aralia hispida

Aralia nudicaulis

Arceuthobium americanum

Arceuthobium pusillum

Arctium lappa

Arctium minus

Arctium minus ssp. nemorosum (Arctium minus)

Arctium nemorosum (Arctium minus)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 10 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Arctium tomentosum

Arctium vulgare (Arctium minus)

Arctostaphylos alpina (Arctous rubra)

Arctostaphylos alpina ssp. rubra (Arctous rubra)

Arctostaphylos alpina var. rubra (Arctous rubra)

Arctostaphylos rubra (Arctous rubra)

Arctostaphylos uva-ursi

Arctostaphylos uva-ursi ssp. adenotricha (Arctostaphylos uva-ursi)

Arctostaphylos uva-ursi ssp. coactilis (Arctostaphylos uva-ursi)

Arctostaphylos uva-ursi ssp. longipilosa (Arctostaphylos uva-ursi)

Arctostaphylos uva-ursi ssp. stipitata (Arctostaphylos uva-ursi)

Arctostaphylos uva-ursi var. adenotricha (Arctostaphylos uva-ursi)

Arctous erythrocarpa (Arctous rubra)

Arctous rubra

Arenaria congesta var. lithophila (Eremogone congesta var. lithophila)

Arenaria dawsonensis (Minuartia dawsonensis)

Arenaria lateriflora (Moehringia lateriflora)

Arenaria lateriflora var. angustifolia (Moehringia lateriflora)

Arenaria macrophylla (Moehringia macrophylla)

Arenaria rubella (Minuartia rubella)

Arenaria serpyllifolia ssp. serpyllifolia (Arenaria serpyllifolia var. serpyllifolia)

Arenaria serpyllifolia var. serpyllifolia

Arenaria serpyllifolia var. tenuior (Arenaria serpyllifolia var. serpyllifolia)

Arenaria stricta ssp. dawsonensis (Minuartia dawsonensis)

Arenaria stricta var. dawsonensis (Minuartia dawsonensis)

Arenaria stricta var. litorea (Minuartia dawsonensis)

Arenaria verna var. rubella (Minuartia rubella)

Arethusa bulbosa

Argemone intermedia var. polyanthemos (Argemone polyanthemos)

Argemone mexicana (Argemone polyanthemos)

Argemone polyanthemos

Argentina anserina (Potentilla anserina ssp. anserina)

Aristida longiseta (Aristida purpurea var. longiseta)

Aristida longiseta var. robusta (Aristida purpurea var. longiseta)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 11 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Aristida purpurea var. longiseta

Aristida purpurea var. robusta (Aristida purpurea var. longiseta)

Armeria maritima ssp. interior

Armeria maritima var. interior (Armeria maritima ssp. interior)

Armoracia rusticana

Arnica alpina (Arnica angustifolia ssp. angustifolia)

Arnica alpina ssp. angustifolia (Arnica angustifolia ssp. angustifolia)

Arnica alpina ssp. attenuata (Arnica angustifolia ssp. angustifolia)

Arnica alpina var. attenuata (Arnica angustifolia ssp. angustifolia)

Arnica alpina var. lonchophylla (Arnica lonchophylla)

Arnica angustifolia ssp. angustifolia

Arnica angustifolia ssp. attenuata (Arnica angustifolia ssp. angustifolia)

Arnica angustifolia ssp. lonchophylla (Arnica lonchophylla)

Arnica chamissonis

Arnica cordifolia

Arnica fulgens

Arnica fulgens var. sororia (Arnica sororia)

Arnica lonchophylla

Arnica sororia

Artemisia abrotanum

Artemisia absinthium

Artemisia absinthium var. insipida (Artemisia absinthium)

Artemisia aromatica (Artemisia dracunculus)

Artemisia biennis var. biennis

Artemisia biennis var. diffusa (Artemisia biennis var. biennis)

Artemisia borealis ssp. borealis

Artemisia campestris ssp. borealis (Artemisia borealis ssp. borealis)

Artemisia campestris ssp. canadensis

Artemisia campestris ssp. caudata

Artemisia campestris ssp. pacifica

Artemisia campestris var. borealis (Artemisia borealis ssp. borealis)

Artemisia campestris var. petiolata (Artemisia campestris ssp. pacifica)

Artemisia campestris var. purshii (Artemisia borealis ssp. borealis)

Artemisia campestris var. scouleriana (Artemisia campestris ssp. pacifica)

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Artemisia campestris var. wormskioldii (Artemisia borealis ssp. borealis)

Artemisia cana ssp. cana

Artemisia canadensis (Artemisia campestris ssp. canadensis)

Artemisia caudata (Artemisia campestris ssp. caudata)

Artemisia columbiensus (Artemisia cana ssp. cana)

Artemisia dracunculoides (Artemisia dracunculus)

Artemisia dracunculus

Artemisia falcata (Artemisia longifolia)

Artemisia frigida

Artemisia glauca (Artemisia dracunculus)

Artemisia glauca var. megacephala (Artemisia dracunculus)

Artemisia gnaphalodes (Artemisia ludoviciana ssp. ludoviciana)

Artemisia longifolia

Artemisia ludoviciana ssp. ludoviciana

Artemisia ludoviciana var. gnaphalodes (Artemisia ludoviciana ssp. ludoviciana)

Artemisia ludoviciana var. integrifolia (Artemisia longifolia)

Artemisia ludoviciana var. ludoviciana (Artemisia ludoviciana ssp. ludoviciana)

Artemisia ludoviciana var. pabularis (Artemisia ludoviciana ssp. ludoviciana)

Artemisia pabularis (Artemisia ludoviciana ssp. ludoviciana)

Artemisia tilesii

Artemisia vulgaris var. glabra (Artemisia vulgaris var. vulgaris)

Artemisia vulgaris var. kamtschatica (Artemisia vulgaris var. vulgaris)

Artemisia vulgaris var. longifolia (Artemisia longifolia)

Artemisia vulgaris var. vulgaris

Asclepias ovalifolia

Asclepias speciosa

Asclepias syriaca

Asclepias verticillata

Asclepias viridiflora

Asparagus officinalis

Asperugo procumbens

Asplenium viride

Aster ascendens (Symphyotrichum ascendens)

Aster borealis (Symphyotrichum boreale)

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Aster brachyactis (Symphyotrichum ciliatum)

Aster canescens (Dieteria canescens var. canescens)

Aster canescens var. viscosus (Dieteria canescens var. canescens)

Aster ciliolatus (Symphyotrichum ciliatum)

Aster ciliolatus (Symphyotrichum ciliolatum)

Aster ciliolatus var. comatus (Symphyotrichum ciliolatum)

Aster commutatus (Symphyotrichum falcatum var. commutatum)

Aster conspicuus (Eurybia conspicua)

Aster eatonii (Symphyotrichum eatonii)

Aster ericoides ssp. pansus (Symphyotrichum ericoides var. pansum)

Aster ericoides var. commutatus (Symphyotrichum falcatum var. commutatum)

Aster ericoides var. pansus (Symphyotrichum ericoides var. pansum)

Aster ericoides var. stricticaulis (Symphyotrichum ericoides var. pansum)

Aster falcatus var. commutatus (Symphyotrichum falcatum var. commutatum)

Aster falcatus var. crassulus (Symphyotrichum falcatum var. commutatum)

Aster falcatus var. falcatus (Symphyotrichum falcatum var. falcatum)

Aster foliaceus var. eatonii (Symphyotrichum eatonii)

Aster franklinianus (Symphyotrichum boreale)

Aster geyeri (Symphyotrichum laeve var. geyeri)

Aster hesperius (Symphyotrichum lanceolatum var. hesperium)

Aster hesperius var. laetevirens (Symphyotrichum lanceolatum var. hesperium)

Aster junciformis (Symphyotrichum boreale)

Aster laevis ssp. geyeri (Symphyotrichum laeve var. geyeri)

Aster laevis var. geyeri (Symphyotrichum laeve var. geyeri)

Aster lanceolatus (Symphyotrichum lanceolatum var. lanceolatum)

Aster lanceolatus ssp. hesperius (Symphyotrichum lanceolatum var. hesperium)

Aster lanceolatus ssp. simplex (Symphyotrichum lanceolatum var. lanceolatum)

Aster lanceolatus var. simplex (Symphyotrichum lanceolatum var. lanceolatum)

Aster laurentianus (Symphyotrichum ciliatum)

Aster lindley-anus (Symphyotrichum ciliolatum)

Aster lutescens (Solidago x lutescens)

Aster major (Canadanthus modestus)

Aster modestus (Canadanthus modestus)

Aster modestus var. major (Canadanthus modestus)

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Aster multiflorus var. pansus (Symphyotrichum ericoides var. pansum)

Aster multiflorus var. stricticaulis (Symphyotrichum ericoides var. pansum)

Aster novae-angliae (Symphyotrichum novae-angliae)

Aster osterhoutii (Symphyotrichum lanceolatum var. hesperium)

Aster pansus (Symphyotrichum ericoides var. pansum)

Aster pauciflorus (Almutaster pauciflorus)

Aster ptarmicoides (Solidago ptarmicoides)

Aster ptarmicoides var. lutescens (Solidago x lutescens)

Aster pubentior (Doellingeria umbellata var. pubens)

Aster puniceus (Symphyotrichum puniceum var. puniceum)

Aster puniceus var. firmus (Symphyotrichum firmum)

Aster puniceus var. oligocephalus (Symphyotrichum puniceum var. puniceum)

Aster puniceus var. puniceus (Symphyotrichum puniceum var. puniceum)

Aster simplex (Symphyotrichum lanceolatum var. lanceolatum)

Aster simplex var. ramosissimus (Symphyotrichum lanceolatum var. lanceolatum)

Aster umbellatus var. pubens (Doellingeria umbellata var. pubens)

Aster wilsonii (Symphyotrichum ciliolatum)

Astragalus aboriginorum (Astragalus australis)

Astragalus adsurgens ssp. robustior (Astragalus laxmannii var. robustior)

Astragalus adsurgens var. robustior (Astragalus laxmannii var. robustior)

Astragalus agrestis

Astragalus alpinus var. alpinus

Astragalus americanus

Astragalus australis

Astragalus australis var. glabriusculus (Astragalus australis)

Astragalus australis var. major (Astragalus australis)

Astragalus bisulcatus var. bisulcatus

Astragalus bodinii

Astragalus bodinii var. yukonis (Astragalus bodinii)

Astragalus canadensis var. canadensis

Astragalus cicer

Astragalus crassicarpus var. crassicarpus

Astragalus danicus var. dasyglottis (Astragalus agrestis)

Astragalus dasyglottis (Astragalus agrestis)

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Astragalus drummondii

Astragalus eucosmus

Astragalus flexuosus var. flexuosus

Astragalus frigidus var. americanus (Astragalus americanus)

Astragalus gilviflorus var. gilviflorus

Astragalus goniatus (Astragalus agrestis)

Astragalus gracilis

Astragalus hypoglottis (Astragalus agrestis)

Astragalus iochrous (Sphaerophysa salsula)

Astragalus kentrophyta var. kentrophyta

Astragalus laxmannii var. robustior

Astragalus lotiflorus

Astragalus missouriensis var. missouriensis

Astragalus multiflorus (Astragalus tenellus)

Astragalus pectinatus

Astragalus purshii var. purshii

Astragalus racemosus var. racemosus

Astragalus scrupulicola (Astragalus australis)

Astragalus spatulatus

Astragalus striatus (Astragalus laxmannii var. robustior)

Astragalus tenellus

Astragalus vexilliflexus var. vexilliflexus

Astragalus viridis (Astragalus kentrophyta var. kentrophyta)

Astragalus yukonis (Astragalus bodinii)

Athyrium filix-femina ssp. angustum (Athyrium filix-femina var. angustum)

Athyrium filix-femina ssp. cyclosorum (Athyrium filix-femina var. cyclosorum)

Athyrium filix-femina var. angustum

Athyrium filix-femina var. cyclosorum

Athyrium filix-femina var. michauxii (Athyrium filix-femina var. angustum)

Athyrium filix-femina var. sitchense (Athyrium filix-femina var. cyclosorum)

Atriplex argentea var. argentea

Atriplex dioica

Atriplex dioica (Atriplex suckleyi)

Atriplex gardneri var. aptera

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Atriplex gardneri var. gardneri

Atriplex hastata (Atriplex prostrata)

Atriplex hortensis

Atriplex hortensis cv. atrosanguinea (Atriplex hortensis)

Atriplex nuttallii (Atriplex gardneri var. gardneri)

Atriplex nuttallii ssp. gardneri (Atriplex gardneri var. gardneri)

Atriplex patula

Atriplex patula ssp. subspicata (Atriplex dioica)

Atriplex patula var. hastata (Atriplex dioica)

Atriplex patula var. hastata (Atriplex prostrata)

Atriplex patula var. obtusa (Atriplex dioica)

Atriplex powellii var. powellii

Atriplex prostrata

Atriplex rosea

Atriplex subspicata (Atriplex dioica)

Atriplex suckleyi

Atriplex truncata

Atriplex x aptera (Atriplex gardneri var. aptera)

Avena fatua

Avena fatua var. sativa (Avena sativa)

Avena hookeri (Avenula hookeri)

Avena sativa

Avena sativa var. orientalis (Avena sativa)

Avenochloa hookeri (Avenula hookeri)

Avenula hookeri

Axyris amaranthoides

Bacopa rotundifolia

Bacopa simulans (Bacopa rotundifolia)

Bahia oppositifolia (Picradeniopsis oppositifolia)

Balsamita major (Tanacetum balsamita)

Barbarea americana (Barbarea orthoceras)

Barbarea orthoceras

Barbarea stricta (Barbarea vulgaris)

Barbarea vulgaris

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Barbarea vulgaris var. orthoceras (Barbarea orthoceras)

Bassia hyssopifolia

Bassia scoparia

Beckmannia eruciformis (Beckmannia syzigachne)

Beckmannia eruciformis ssp. baicalensis (Beckmannia syzigachne)

Beckmannia eruciformis ssp. syzigachne (Beckmannia syzigachne)

Beckmannia syzigachne

Beckmannia syzigachne ssp. baicalensis (Beckmannia syzigachne)

Beckmannia syzigachne var. uniflora (Beckmannia syzigachne)

Berberis repens

Berberis vulgaris

Berteroa incana

Besseya wyomingensis (Synthyris wyomingensis)

Beta vulgaris

Betula fontinalis (Betula occidentalis)

Betula glandulosa

Betula nana ssp. exilis

Betula neoalaskana

Betula occidentalis

Betula occidentalis var. fecunda (Betula occidentalis)

Betula occidentalis var. fecunda (Betula x utahensis)

Betula occidentalis var. inopina (Betula occidentalis)

Betula papyrifera

Betula papyrifera var. humilus (Betula neoalaskana)

Betula papyrifera var. neoalaskana (Betula neoalaskana)

Betula papyrifera var. occidentalis (Betula occidentalis)

Betula pumila

Betula resinifera (Betula neoalaskana)

Betula x arbuscula (Betula x eastwoodiae)

Betula x commixta (Betula x utahensis)

Betula x dugleana

Betula x eastwoodiae

Betula x sandbergii

Betula x sargentii

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 18 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Betula x uliginosa

Betula x utahensis

Betula x winteri

Bidens beckii

Bidens cernua

Bidens cernua var. integra (Bidens cernua)

Bidens frondosa

Bidens frondosa var. puberula (Bidens vulgata)

Bidens glaucescens (Bidens cernua)

Bidens puberula (Bidens vulgata)

Bidens tripartita

Bidens vulgata

Bidens vulgata var. puberula (Bidens vulgata)

Bistorta vivipara

Blitum capitatum ssp. capitatum

Blitum nuttallianum (Monolepis nuttalliana)

Blysmopsis rufa

Blysmus rufus (Blysmopsis rufa)

Boechera collinsii

Boechera divaricarpa (Boechera grahamii)

Boechera drummondii (Boechera stricta)

Boechera grahamii

Boechera holboelli var. retrofracta (Boechera retrofracta)

Boechera holboellii var. boivinii (Boechera grahamii)

Boechera holboellii var. collinsii (Boechera collinsii)

Boechera retrofracta

Boechera stricta

Boisduvalia glabella (Epilobium campestre)

Bolboschoenus fluviatilis

Bolboschoenus maritimus ssp. paludosus

Bolboschoenus paludosus (Bolboschoenus maritimus ssp. paludosus)

Boltonia asteroides var. occidentalis (Boltonia asteroides var. recognita)

Boltonia asteroides var. recognita

Boltonia latisquama var. recognita (Boltonia asteroides var. recognita)

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Boltonia recognita (Boltonia asteroides var. recognita)

Borago officinalis

Botrychium angustisegmentum (Botrychium lanceolatum ssp. angustisegmentum)

Botrychium ascendens

Botrychium campestre

Botrychium hesperium

Botrychium lanceolatum ssp. angustisegmentum

Botrychium lanceolatum ssp. lanceolatum

Botrychium lanceolatum var. lanceolatum (Botrychium lanceolatum ssp. lanceolatum)

Botrychium lunaria

Botrychium lunaria (Botrychium campestre)

Botrychium lunaria ssp. minganense (Botrychium minganense)

Botrychium lunaria var. minganense (Botrychium minganense)

Botrychium lunaria var. onondagense (Botrychium lunaria)

Botrychium matricariaefolium (Botrychium matricariifolium)

Botrychium matricariifolium

Botrychium matricariifolium (Botrychium hesperium)

Botrychium matricariifolium var. hesperium (Botrychium hesperium)

Botrychium michiganense

Botrychium minganense

Botrychium multifidum (Sceptridium multifidum)

Botrychium multifidum var. intermedium (Sceptridium multifidum)

Botrychium neolunaria (Botrychium lunaria)

Botrychium pallidum

Botrychium paradoxum

Botrychium pedunculosum

Botrychium simplex

Botrychium simplex var. tenebrosum (Botrychium simplex)

Botrychium tenebrosum

Botrychium tenebrosum (Botrychium simplex)

Botrychium virginianum

Botrychium virginianum var. europaeum (Botrychium virginianum)

Botrychium virginianum var. virginianum (Botrychium virginianum)

Botrypus virginianus (Botrychium virginianum)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 20 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Bouteloua curtipendula var. curtipendula

Bouteloua dactyloides

Bouteloua gracilis

Bouteloua hirsuta (Bouteloua gracilis)

Brachyactis angusta (Symphyotrichum ciliatum)

Brachyactis ciliata (Symphyotrichum ciliatum)

Brachyactis ciliata ssp. angusta (Symphyotrichum ciliatum)

Brassica campestris (Brassica napus)

Brassica campestris (Brassica rapa)

Brassica campestris var. rapa (Brassica rapa)

Brassica hirta (Sinapis alba ssp. alba)

Brassica juncea

Brassica kaber (Sinapis arvensis)

Brassica napobrassica (Brassica napus)

Brassica napus

Brassica napus ssp. rapifera (Brassica napus)

Brassica napus var. napobrassica (Brassica napus)

Brassica nigra

Brassica rapa

Bromus altissimus (Bromus latiglumis)

Bromus biebersteinii (Bromus riparius)

Bromus canadensis (Bromus ciliatus)

Bromus carinatus var. marginatus

Bromus ciliatus

Bromus ciliatus (Bromus latiglumis)

Bromus ciliatus var. ciliatus (Bromus ciliatus)

Bromus inermis

Bromus inermis ssp. inermis (Bromus inermis)

Bromus inermis ssp. pumpellianus (Bromus pumpellianus ssp. pumpellianus)

Bromus inermis var. inermis (Bromus inermis)

Bromus japonicus

Bromus kalmii (Bromus latiglumis)

Bromus latiglumis

Bromus marginatus (Bromus carinatus var. marginatus)

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Bromus porteri

Bromus pubescens

Bromus pumpellianus ssp. pumpellianus

Bromus purgans (Bromus latiglumis)

Bromus racemosus

Bromus riparius

Bromus sitchensis var. marginatus (Bromus carinatus var. marginatus)

Bromus tectorum var. tectorum

Buchloe dactyloides (Bouteloua dactyloides)

Butomus umbellatus

Calamagrostis canadensis var. canadensis

Calamagrostis canadensis var. langsdorffii

Calamagrostis canadensis var. macouniana (Calamagrostis canadensis var. canadensis)

Calamagrostis canadensis var. robusta (Calamagrostis canadensis var. canadensis)

Calamagrostis canadensis var. scabra (Calamagrostis canadensis var. langsdorffii)

Calamagrostis fasciculata (Calamagrostis rubescens)

Calamagrostis langsdorfii (Calamagrostis canadensis var. langsdorffii)

Calamagrostis lapponica

Calamagrostis lapponica var. nearctica (Calamagrostis lapponica)

Calamagrostis montanensis

Calamagrostis purpurascens var. purpurascens

Calamagrostis rubescens

Calamagrostis stricta

Calamovilfa longifolia var. longifolia

Calla palustris

Callitriche autumnalis (Callitriche hermaphroditica)

Callitriche hermaphroditica

Callitriche palustris

Callitriche palustris var. verna (Callitriche palustris)

Callitriche stenoptera

Callitriche verna (Callitriche palustris)

Caltha natans

Caltha palustris var. palustris

Calylophus serrulatus (Oenothera serrulata)

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Calypso bulbosa var. americana

Calystegia macounii

Calystegia sepium ssp. americana

Calystegia sepium ssp. angulata

Calystegia sepium var. americana (Calystegia sepium ssp. americana)

Calystegia sepium var. angulata (Calystegia sepium ssp. angulata)

Calystegia sepium var. repens (Calystegia sepium ssp. angulata)

Camelina alyssum

Camelina microcarpa

Camelina sativa

Camelina sativa ssp. alyssum (Camelina alyssum)

Camelina sativa ssp. microcarpa (Camelina microcarpa)

Camissonia andina (Neoholmgrenia andina)

Camissonia breviflora (Taraxia breviflora)

Campanula alaskana (Campanula rotundifolia)

Campanula aparinoides

Campanula aparinoides var. grandiflora (Campanula aparinoides)

Campanula aparinoides var. uliginosa (Campanula aparinoides)

Campanula petiolata (Campanula rotundifolia)

Campanula rapunculoides

Campanula rotundifolia

Campanula rotundifolia var. petiolata (Campanula rotundifolia)

Campanula uliginosa (Campanula aparinoides)

Canadanthus modestus

Cannabis sativa

Cannabis sativa ssp. sativa (Cannabis sativa)

Capnoides sempervirens (Corydalis sempervirens)

Capsella bursa-pastoris

Caragana arborescens

Caragana aurantiaca

Caragana frutex

Cardamine nymanii

Cardamine parviflora

Cardamine pensylvanica

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 23 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Cardamine polemonioides (Cardamine nymanii)

Cardamine pratensis var. angustifolia (Cardamine nymanii)

Cardamine scutata (Cardamine pensylvanica)

Cardaria chalapensis (Lepidium chalepense)

Cardaria draba (Lepidium draba)

Cardaria draba ssp. chalapensis (Lepidium chalepense)

Cardaria draba var. repens (Lepidium chalepense)

Cardaria pubescens (Lepidium appelianum)

Cardaria pubescens var. elongata (Lepidium appelianum)

Carduus macrocephalus (Carduus nutans ssp. leiophyllus)

Carduus nutans ssp. leiophyllus

Carduus nutans ssp. macrocephalus (Carduus nutans ssp. leiophyllus)

Carduus nutans ssp. macrolepis (Carduus nutans ssp. leiophyllus)

Carduus nutans var. vestitus (Carduus nutans ssp. leiophyllus)

Carex abacta (Carex michauxiana)

Carex abbreviata (Carex torreyi)

Carex abdita (Carex umbellata)

Carex adusta

Carex aenea (Carex foenea)

Carex alopecoidea

Carex angustior (Carex echinata ssp. echinata)

Carex aquatilis var. aquatilis

Carex aquatilis var. substricta (Carex aquatilis var. aquatilis)

Carex arcta

Carex argyrantha (Carex foenea)

Carex argyrantha var. aenea (Carex foenea)

Carex assiniboinensis

Carex atherodes

Carex athrostachya

Carex atrata (Carex atratiformis)

Carex atratiformis

Carex atratiformis ssp. raymondii (Carex atratiformis)

Carex aurea

Carex backii

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Carex backii var. saximontana (Carex saximontana)

Carex bebbii

Carex bicolor

Carex bigelowii

Carex blanda (Carex leptonervia)

Carex brevior

Carex brunnescens

Carex buxbaumii

Carex canescens (Carex buxbaumii)

Carex canescens ssp. canescens

Carex canescens var. subloliacea (Carex lapponica)

Carex capillaris

Carex capillaris ssp. chlorostachys (Carex capillaris)

Carex capitata

Carex capitata ssp. capitata (Carex capitata)

Carex chordorrhiza

Carex concinna

Carex crawei

Carex crawfordii

Carex crawfordii var. vigens (Carex crawfordii)

Carex cristatella

Carex cryptolepis

Carex curta (Carex canescens ssp. canescens)

Carex deflexa

Carex deflexa var. rossii (Carex rossii)

Carex deweyana (Carex deweyana var. deweyana)

Carex deweyana var. deweyana

Carex diandra

Carex dioica (Carex gynocrates)

Carex dioica var. gynocrates (Carex gynocrates)

Carex disperma

Carex douglasii

Carex duriuscula

Carex eburnea

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 25 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Carex echinata ssp. echinata

Carex echinata var. angustata (Carex echinata ssp. echinata)

Carex eleocharis (Carex duriuscula)

Carex festucacea (Carex tenera)

Carex festucacea var. brevior (Carex brevior)

Carex festucacea var. tenera (Carex tenera)

Carex filifolia

Carex flava (Carex cryptolepis)

Carex foenea

Carex foenea (Carex siccata)

Carex garberi

Carex garberi var. bifaria (Carex garberi)

Carex glacialis

Carex granularis

Carex granularis var. haleana (Carex granularis)

Carex gravida

Carex gynocrates

Carex haleana (Carex granularis)

Carex hallii (Carex parryana var. parryana)

Carex haydeniana (Carex microptera)

Carex heleonastes

Carex heleonastes ssp. heleonastes (Carex heleonastes)

Carex heleonastes ssp. neurochlaena (Carex heleonastes)

Carex heliophila (Carex inops ssp. heliophila)

Carex hoodii

Carex hookerana (Carex hookeriana)

Carex hookeriana

Carex houghtoniana

Carex houghtonii (Carex houghtoniana)

Carex hystericina

Carex hystricina (Carex hystericina)

Carex incurva (Carex maritima)

Carex inops ssp. heliophila

Carex interior

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 26 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Carex lacustris

Carex laeviconica

Carex lanuginosa (Carex pellita)

Carex lapponica

Carex lasiocarpa ssp. americana (Carex lasiocarpa var. americana)

Carex lasiocarpa var. americana

Carex lasiocarpa var. latifolia (Carex pellita)

Carex laxiflora (Carex leptonervia)

Carex laxiflora var. blanda (Carex leptonervia)

Carex laxiflora var. varians (Carex leptonervia)

Carex lenticularis var. lenticularis

Carex leptalea ssp. leptalea

Carex leptonervia

Carex limosa

Carex livida

Carex livida var. grayana (Carex livida)

Carex livida var. radicaulis (Carex livida)

Carex loliacea

Carex lyallii (Carex raynoldsii)

Carex mackenziei

Carex macloviana (Carex microptera)

Carex macloviana (Carex pachystachya)

Carex macloviana ssp. festivella (Carex microptera)

Carex macloviana ssp. pachystachya (Carex pachystachya)

Carex macloviana var. microptera (Carex microptera)

Carex magellanica ssp. irrigua

Carex magellanica var. irrigua (Carex magellanica ssp. irrigua)

Carex maritima

Carex maritima var. incurviformis (Carex maritima)

Carex meadii (Carex tetanica)

Carex media

Carex michauxiana

Carex microptera

Carex muricata (Carex interior)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 27 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Carex muricata var. angustata (Carex echinata ssp. echinata)

Carex nigromarginata (Carex peckii)

Carex nigromarginata var. elliptica (Carex peckii)

Carex norvegica (Carex media)

Carex norvegica ssp. inferalpina (Carex media)

Carex norvegica var. inferalpina (Carex media)

Carex obtusata

Carex oederi (Carex viridula ssp. viridula)

Carex oederi ssp. viridula (Carex viridula ssp. viridula)

Carex oederi var. viridula (Carex viridula ssp. viridula)

Carex oligosperma var. oligosperma

Carex pachystachya

Carex paleacea

Carex parryana var. parryana

Carex pauciflora

Carex paupercula (Carex magellanica ssp. irrigua)

Carex paupercula var. irrigua (Carex magellanica ssp. irrigua)

Carex peckii

Carex pedunculata

Carex pellita

Carex pensylvanica ssp. heliophila (Carex inops ssp. heliophila)

Carex pensylvanica var. digyna (Carex inops ssp. heliophila)

Carex petasata

Carex phyllomanica var. angustata (Carex echinata ssp. echinata)

Carex praegracilis

Carex praegracilis (Carex simulata)

Carex prairea

Carex praticola

Carex projecta

Carex pseudocyperus

Carex raymondii (Carex atratiformis)

Carex raynoldsii

Carex retrorsa

Carex richardsonii

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 28 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Carex rossii

Carex rostrata

Carex rostrata (Carex utriculata)

Carex rostrata var. utriculata (Carex utriculata)

Carex rugosperma var. tonsa (Carex tonsa)

Carex sartwellii var. sartwellii

Carex saxatilis

Carex saxatilis var. major (Carex saxatilis)

Carex saxatilis var. rhomalea (Carex saxatilis)

Carex saximontana

Carex scirpiformis (Carex scirpoidea ssp. scirpoidea)

Carex scirpoidea ssp. scirpoidea

Carex scirpoidea var. scirpiformis (Carex scirpoidea ssp. scirpoidea)

Carex scirpoidea var. scirpoidea (Carex scirpoidea ssp. scirpoidea)

Carex siccata

Carex siccata (Carex foenea)

Carex simulata

Carex sprengelii

Carex sterilis

Carex stipata var. stipata

Carex straminea (Carex brevior)

Carex straminea (Carex tenera)

Carex straminea var. tenera (Carex tenera)

Carex supina ssp. spaniocarpa

Carex supina var. spaniocarpa (Carex supina ssp. spaniocarpa)

Carex sychnocephala

Carex tenera

Carex tenera var. echinodes (Carex tenera)

Carex tenera var. tenera (Carex tenera)

Carex tenuiflora

Carex tetanica

Carex tonsa

Carex torreyi

Carex trisperma var. trisperma

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 29 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Carex umbellata

Carex umbellatum var. tonsa (Carex tonsa)

Carex utriculata

Carex vaginata

Carex vahlii (Carex media)

Carex viridula ssp. viridula

Carex viridula var. viridula (Carex viridula ssp. viridula)

Carex vulpinoidea var. vulpinoidea

Carex xerantica

Carpogymnia dryopteris (Gymnocarpium dryopteris)

Carpogymnia dryopteris var. pumila (Gymnocarpium jessoense ssp. parvulum)

Carthamus tinctorius

Carum carvi

Castilleja coccinea

Castilleja miniata var. miniata

Castilleja pallida ssp. septentrionalis (Castilleja raupii)

Castilleja raupii

Castilleja septentrionalis (Castilleja raupii)

Castilleja sessiliflora

Catabrosa aquatica var. aquatica

Celastrus scandens

Centaurea biebersteinii (Centaurea stoebe ssp. micranthos)

Centaurea cyanus

Centaurea diffusa

Centaurea picris (Acroptilon repens)

Centaurea repens (Acroptilon repens)

Centaurea solstitialis

Centaurea stoebe ssp. micranthos

Centunculus minimus (Anagallis minima)

Cerastium alpinum ssp. alpinum

Cerastium alpinum var. beeringianum (Cerastium beeringianum)

Cerastium arvense ssp. strictum

Cerastium beeringianum

Cerastium beeringianum ssp. earlei (Cerastium beeringianum)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 30 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Cerastium beeringianum ssp. terrae-novae (Cerastium beeringianum)

Cerastium beeringianum var. glabratum (Cerastium beeringianum)

Cerastium beeringianum var. grandiflorum (Cerastium beeringianum)

Cerastium brachypodum

Cerastium fontanum ssp. vulgare

Cerastium nutans var. brachypodum (Cerastium brachypodum)

Cerastium nutans var. nutans

Cerastium nutans var. occidentale (Cerastium nutans var. nutans)

Cerastium vulgatum (Cerastium fontanum ssp. vulgare)

Ceratocephala testiculata (Ranunculus testiculatus)

Ceratoides lanata (Krascheninnikovia lanata)

Ceratophyllum demersum

Ceratophyllum demersum var. apiculatum (Ceratophyllum demersum)

Chaenorhinum minus ssp. minus

Chamaedaphne calyculata

Chamaedaphne calyculata var. angustifolia (Chamaedaphne calyculata)

Chamaedaphne calyculata var. latifolia (Chamaedaphne calyculata)

Chamaemelum cotula (Anthemis cotula)

Chamaenerion angustifolium ssp. angustifolium (Chamerion angustifolium ssp. angustifolium)

Chamaenerion angustifolium ssp. circumvagum (Chamerion angustifolium ssp. circumvagum)

Chamaerhodos erecta

Chamaesaracha grandiflora (Leucophysalis grandiflora)

Chamaesyce glyptosperma (Euphorbia glyptosperma)

Chamaesyce serpens (Euphorbia serpens)

Chamaesyce serpyllifolia ssp. serpyllifolia (Euphorbia serpillifolia ssp. serpillifolia)

Chamerion angustifolium ssp. angustifolium

Chamerion angustifolium ssp. circumvagum

Chamomilla discoidea (Matricaria discoidea)

Chamomilla inodora (Tripleurospermum inodorum)

Chamomilla recutita (Matricaria chamomilla)

Chamomilla suaevolens (Matricaria discoidea)

Chelidonium majus var. majus

Chenopodiastrum murale (Chenopodium murale)

Chenopodiastrum simplex (Chenopodium simplex)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 31 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Chenopodium album ssp. striatum (Chenopodium strictum)

Chenopodium album var. album

Chenopodium album var. lanceolatum (Chenopodium album var. album)

Chenopodium album var. striatum (Chenopodium strictum)

Chenopodium atrovirens

Chenopodium berlandieri var. zschackei

Chenopodium capitatum (Blitum capitatum ssp. capitatum)

Chenopodium dacoticum (Chenopodium watsonii)

Chenopodium desiccatum

Chenopodium fermontii var. incanum (Chenopodium incanum)

Chenopodium fremontii var. atrovirens (Chenopodium atrovirens)

Chenopodium fremontii var. fremontii

Chenopodium fremontii var. pringlei (Chenopodium fremontii var. fremontii)

Chenopodium gigantospermum (Chenopodium simplex)

Chenopodium glaucophyllum (Chenopodium strictum)

Chenopodium glaucum ssp. salinum (Chenopodium glaucum var. salinum)

Chenopodium glaucum var. pulchrum (Chenopodium glaucum var. salinum)

Chenopodium glaucum var. salinum

Chenopodium hians

Chenopodium hybridum ssp. gigantospermum (Chenopodium simplex)

Chenopodium hybridum var. gigantospermum (Chenopodium simplex)

Chenopodium incanum

Chenopodium incognitum (Chenopodium hians)

Chenopodium leptophyllum

Chenopodium leptophyllum var. oblongifolium (Chenopodium desiccatum)

Chenopodium leptophyllum var. subglabrum (Chenopodium subglabrum)

Chenopodium murale

Chenopodium polyspermum var. acutifolium

Chenopodium pratericola

Chenopodium pratericola (Chenopodium desiccatum)

Chenopodium pratericola ssp. desiccatum (Chenopodium desiccatum)

Chenopodium pratericola var. oblongifolia (Chenopodium desiccatum)

Chenopodium rubrum var. humile

Chenopodium rubrum var. rubrum

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 32 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Chenopodium salinum (Chenopodium glaucum var. salinum)

Chenopodium simplex

Chenopodium strictum

Chenopodium strictum ssp. glaucophyllum (Chenopodium strictum)

Chenopodium subglabrum

Chenopodium watsonii

Chimaphila umbellata ssp. acuta (Chimaphila umbellata ssp. umbellata)

Chimaphila umbellata ssp. cisatlantica (Chimaphila umbellata ssp. umbellata)

Chimaphila umbellata ssp. umbellata

Chimaphila umbellata var. occidentalis (Chimaphila umbellata ssp. umbellata)

Chiogenes hispidula (Gaultheria hispidula)

Chlorocrepis albiflorum (Hieracium albiflorum)

Chorispora tenella

Chrysanthemum balsamita (Tanacetum balsamita)

Chrysanthemum bippinnatum ssp. huronense (Tanacetum huronense var. bifarium)

Chrysanthemum leucanthemum (Leucanthemum vulgare)

Chrysopsis hispida (Heterotheca villosa var. minor)

Chrysopsis villosa (Heterotheca villosa var. villosa)

Chrysopsis villosa var. hispida (Heterotheca villosa var. minor)

Chrysosplenium alternifolium ssp. iowense (Chrysosplenium iowense)

Chrysosplenium alternifolium ssp. tetrandrum (Chrysosplenium tetrandrum)

Chrysosplenium alternifolium var. iowense (Chrysosplenium iowense)

Chrysosplenium alternifolium var. sibiricum (Chrysosplenium iowense)

Chrysosplenium alternifolium var. tetrandrum (Chrysosplenium tetrandrum)

Chrysosplenium iowense

Chrysosplenium tetrandrum

Chrysothamnus nauseosus (Ericameria nauseosa var. graveolens)

Chrysothamnus nauseosus (Ericameria nauseosa var. nauseosa)

Chrysothamnus nauseosus ssp. graveolens (Ericameria nauseosa var. graveolens)

Chrysothamnus nauseosus ssp. nauseosus (Ericameria nauseosa var. nauseosa)

Chrysothamnus nauseosus var. glabratus (Ericameria nauseosa var. graveolens)

Chysanthemum leucanthemum var. pinnatifidum (Leucanthemum vulgare)

Cicer arietinum

Cichorium endivia

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 33 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Cichorium intybus

Cicuta bulbifera

Cicuta douglasii (Cicuta maculata var. angustifolia)

Cicuta mackenzieana (Cicuta virosa)

Cicuta maculata var. angustifolia

Cicuta maculata var. maculata

Cicuta occidentalis (Cicuta maculata var. angustifolia)

Cicuta virosa

Cinna latifolia

Circaea alpina ssp. alpina

Cirsium arvense

Cirsium arvense var. intergrifolium (Cirsium arvense)

Cirsium arvense var. vestitum (Cirsium arvense)

Cirsium coccinium (Cirsium drummondii)

Cirsium drummondii

Cirsium flodmanii

Cirsium foliosum (Cirsium drummondii)

Cirsium lanceolatum (Cirsium vulgare)

Cirsium muticum

Cirsium muticum var. monticola (Cirsium muticum)

Cirsium oblanceolatum (Cirsium flodmanii)

Cirsium undulatum var. megacephalum (Cirsium undulatum var. undulatum)

Cirsium undulatum var. undulatum

Cirsium vulgare

Cladium mariscoides

Claytonia lanceolata var. lanceolata

Claytonia linearis (Montia linearis)

Clematis columbiana (Clematis occidentalis var. grosseserrata)

Clematis ligusticifolia

Clematis occidentalis ssp. grosseserrata (Clematis occidentalis var. grosseserrata)

Clematis occidentalis var. grosseserrata

Clematis orientalis (Clematis tangutica)

Clematis orientalis var. tangutica (Clematis tangutica)

Clematis tangutica

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 34 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Clematis verticillaris var. columbia (Clematis occidentalis var. grosseserrata)

Cleome serrulata (Peritoma serrulata)

Coeloglossum viride

Coeloglossum viride ssp. bracteatum (Coeloglossum viride)

Coeloglossum viride var. virescens (Coeloglossum viride)

Collinsia parviflora

Collomia linearis

Comandra lividum (Geocaulon lividum)

Comandra pallida (Comandra umbellata ssp. pallida)

Comandra richardsiana (Comandra umbellata ssp. umbellata)

Comandra umbellata ssp. pallida

Comandra umbellata ssp. umbellata

Comandra umbellata var. angustifolia (Comandra umbellata ssp. pallida)

Comandra umbellata var. pallida (Comandra umbellata ssp. pallida)

Comarum palustre

Conium maculatum

Conringia orientalis

Consolida ajacis

Consolida ambigua (Consolida ajacis)

Convallaria majalis

Convolvulus americana (Calystegia sepium ssp. americana)

Convolvulus arvensis

Convolvulus interior (Calystegia macounii)

Convolvulus repens (Calystegia sepium ssp. angulata)

Convolvulus sepium (Calystegia macounii)

Convolvulus sepium ssp. americana (Calystegia sepium ssp. americana)

Convolvulus sepium var. fraterniflorus (Calystegia macounii)

Convolvulus sepium var. pubescens (Calystegia macounii)

Convolvulus sepium var. repens (Calystegia sepium ssp. angulata)

Conyza canadensis

Conyza canadensis var. glabrata (Conyza canadensis)

Coptidium lapponicum (Ranunculus lapponicus)

Coptis trifolia

Coptis trifolia ssp. groenlandica (Coptis trifolia)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 35 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Coptis trifolia var. groenlandica (Coptis trifolia)

Corallorhiza maculata var. maculata

Corallorhiza maculata var. occidentalis

Corallorhiza striata (Corallorhiza striata var. striata)

Corallorhiza striata var. striata

Corallorhiza trifida

Corallorhiza trifida var. verna (Corallorhiza trifida)

Coreopsis tinctoria

Coreopsis tinctoria var. atkinsoniana (Coreopsis tinctoria)

Coreopsis tinctoria var. tinctoria (Coreopsis tinctoria)

Coriandrum sativum

Corispermum americanum var. americanum

Corispermum hookeri var. hookeri

Corispermum hyssopifolium (Corispermum americanum var. americanum)

Corispermum hyssopifolium (Corispermum hookeri var. hookeri)

Corispermum hyssopifolium (Corispermum ochotense var. ochotense)

Corispermum hyssopifolium (Corispermum pallasii)

Corispermum hyssopifolium var. americanum (Corispermum americanum var. americanum)

Corispermum hyssopifolium var. emarginatum (Corispermum villosum)

Corispermum hyssopifolium var. rubricaule (Corispermum americanum var. americanum)

Corispermum marginale (Corispermum americanum var. americanum)

Corispermum nitidum (Corispermum americanum var. americanum)

Corispermum ochotense var. ochotense

Corispermum orientale (Corispermum americanum var. americanum)

Corispermum orientale (Corispermum hookeri var. hookeri)

Corispermum orientale (Corispermum villosum)

Corispermum pallasii

Corispermum sibiricum (Corispermum pallasii)

Corispermum villosum

Cornus alba (Cornus sericea ssp. sericea)

Cornus alba ssp. stolonifera (Cornus sericea ssp. sericea)

Cornus canadensis

Cornus canadensis var. dutillyi (Cornus canadensis)

Cornus sericea (Cornus sericea ssp. sericea)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 36 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Cornus sericea ssp. sericea

Cornus sericea ssp. stolonifera (Cornus sericea ssp. sericea)

Cornus sericea var. interior (Cornus sericea ssp. sericea)

Cornus stolonifera (Cornus sericea ssp. sericea)

Coronilla varia (Securigera varia)

Corydalis aurea ssp. aurea

Corydalis sempervirens

Corylus cornuta var. cornuta

Coryphantha vivipara (Escobaria vivipara var. vivipara)

Cota tinctoria

Cotoneaster acutifolius (Cotoneaster lucidus)

Cotoneaster lucidus

Cotoneaster melanocarpa (Cotoneaster melanocarpus)

Cotoneaster melanocarpus

Cotoneaster niger (Cotoneaster melanocarpus)

Crassula aquatica

Crataegus castlegarensis

Crataegus chrysocarpa

Crataegus columbiana var. chrysocarpa (Crataegus chrysocarpa)

Crataegus cupressocollina

Crataegus douglasii

Crataegus erythropoda

Crataegus rotundifolia (Crataegus chrysocarpa)

Crepis acuminata var. intermedia (Crepis intermedia)

Crepis atribarba

Crepis atribarba ssp. atribarba (Crepis atribarba)

Crepis glauca (Crepis runcinata ssp. glauca)

Crepis intermedia

Crepis occidentalis (Crepis intermedia)

Crepis occidentalis ssp. costata

Crepis occidentalis ssp. occidentalis

Crepis occidentalis var. costata (Crepis occidentalis ssp. costata)

Crepis runcinata ssp. glauca

Crepis runcinata ssp. hispidulosa

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 37 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Crepis runcinata ssp. runcinata

Crepis runcinata var. glauca (Crepis runcinata ssp. glauca)

Crepis runcinata var. hispidulosa (Crepis runcinata ssp. hispidulosa)

Crepis tectorum

Criosanthes arietina (Cypripedium arietinum)

Critesion jubatum (Hordeum jubatum ssp. jubatum)

Crucihimalaya bursifolia (Transberingia bursifolia ssp. virgata)

Cryptantha bradburiana (Cryptantha celosioides)

Cryptantha celosioides

Cryptantha crassisepala (Cryptantha fendleri)

Cryptantha fendleri

Cryptantha fendleri (Cryptantha kelseyana)

Cryptantha fendleri (Cryptantha minima)

Cryptantha kelseyana

Cryptantha macounii (Cryptantha spiculifera)

Cryptantha minima

Cryptantha nubigena (Cryptantha celosioides)

Cryptantha nubigena (Cryptantha spiculifera)

Cryptantha nubigena var. celosioides (Cryptantha celosioides)

Cryptantha nubigena var. macounii (Cryptantha spiculifera)

Cryptantha pattersonii (Cryptantha fendleri)

Cryptantha spiculifera

Cryptogramma acrostichoides

Cryptogramma crispa ssp. acrostichoides (Cryptogramma acrostichoides)

Cusc COR (Cuscuta coryli)

Cuscuta coryli

Cuscuta corylii (Cuscuta coryli)

Cuscuta gronovii var. gronovii

Cuscuta gronovii var. latiflora

Cuscuta indecora

Cuscuta megalocarpa (Cuscuta umbrosa)

Cuscuta pentagona

Cuscuta umbrosa

Cyclachaena xanthifolia (Cyclachaena xanthiifolia)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 38 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Cyclachaena xanthiifolia

Cycloloma atriplicifolium

Cymopterus acaulis var. acaulis

Cymopterus glomeratus (Cymopterus acaulis var. acaulis)

Cynoglossum boreale (Cynoglossum virginianum)

Cynoglossum officinale

Cynoglossum virginianum

Cyperus acuminatus

Cyperus aristatus (Cyperus squarrosus)

Cyperus aristatus var. inflexus (Cyperus squarrosus)

Cyperus inflexus (Cyperus squarrosus)

Cyperus schweinitzii

Cyperus squarrosus

Cyperus strigosus

Cyperus strigosus var. capitatus (Cyperus strigosus)

Cyperus strigosus var. hansenii (Cyperus strigosus)

Cyperus strigosus var. multiflorus (Cyperus strigosus)

Cyperus strigosus var. robustior (Cyperus strigosus)

Cyperus strigosus var. stenolpis (Cyperus strigosus)

Cypripedium acaule

Cypripedium arietinum

Cypripedium calceolus var. parviflorum (Cypripedium parviflorum var. makasin)

Cypripedium calceolus var. pubescens (Cypripedium parviflorum var. pubescens)

Cypripedium candidum

Cypripedium montanum

Cypripedium occidentale (Cypripedium montanum)

Cypripedium parviflorum (Cypripedium parviflorum var. makasin)

Cypripedium parviflorum var. makasin

Cypripedium parviflorum var. pubescens

Cypripedium passerinum

Cypripedium pubescens (Cypripedium parviflorum var. pubescens)

Cypripedium reginae

Cystopteris fragilis

Cystopteris montana

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 39 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Cytheria bulbosa (Calypso bulbosa var. americana)

Dactylis glomerata ssp. glomerata

Dactylis glomerata var. ciliata (Dactylis glomerata ssp. glomerata)

Dactylis glomerata var. detonsa (Dactylis glomerata ssp. glomerata)

Dactylis glomerata var. vivipara (Dactylis glomerata ssp. glomerata)

Dactylorhiza viridis (Coeloglossum viride)

Dalea candida var. candida

Dalea candida var. oligophylla

Dalea purpurea var. purpurea

Dalea villosa var. villosa

Danthonia californica (Danthonia intermedia)

Danthonia californica var. americana

Danthonia canadensis (Danthonia intermedia)

Danthonia intermedia

Danthonia parryi

Danthonia spicata

Danthonia spicata var. pinetorum (Danthonia spicata)

Danthonia unispicata

Dasiphora fruticosa

Dasiphora fruticosa ssp. floribunda (Dasiphora fruticosa)

Datura innoxia

Datura stramonium

Daucus carota

Delphinium ajacis (Consolida ajacis)

Delphinium ambiguum (Consolida ajacis)

Delphinium bicolor ssp. bicolor

Delphinium brownii (Delphinium glaucum)

Delphinium elatum

Delphinium glaucum

Delphinium scopulorum (Delphinium glaucum)

Dendrolycopodium dendroideum (Lycopodium dendroideum)

Dendrolycopodium hickeyi (Lycopodium hickeyi)

Deschampsia cespitosa ssp. cespitosa

Deschampsia cespitosa ssp. glauca (Deschampsia cespitosa ssp. cespitosa)

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Deschampsia cespitosa var. mackenzieana (Deschampsia mackenzieana)

Deschampsia mackenzieana

Descurainia brachycarpa (Descurainia pinnata ssp. brachycarpa)

Descurainia incana

Descurainia pinnata ssp. brachycarpa

Descurainia pinnata var. brachycarpa (Descurainia pinnata ssp. brachycarpa)

Descurainia sophia

Dianthus barbatus

Dianthus deltoides

Dichanthelium acuminatum ssp. fasciculatum (Dichanthelium acuminatum var. fasciculatum)

Dichanthelium acuminatum ssp. implicatum (Dichanthelium acuminatum var. fasciculatum)

Dichanthelium acuminatum var. fasciculatum

Dichanthelium acuminatum var. implicatum (Dichanthelium acuminatum var. fasciculatum)

Dichanthelium lanuginosum (Dichanthelium acuminatum var. fasciculatum)

Dichanthelium lanuginosum var. fasciculatum (Dichanthelium acuminatum var. fasciculatum)

Dichanthelium leibergii

Dichanthelium linearifolium (Dichanthelium perlongum)

Dichanthelium oligosanthes (Dichanthelium wilcoxianum)

Dichanthelium oligosanthes var. wilcoxianum (Dichanthelium wilcoxianum)

Dichanthelium perlongum

Dichanthelium wilcoxianum

Dichanthelium xanthophysum

Diervilla lonicera

Dieteria canescens var. canescens

Digitaria ischaemum

Digitaria sanguinalis

Diphasiastrum complanatum

Diphasiastrum sitchense

Diplachne fascicularis (Leptochloa fusca ssp. fascicularis)

Diplachne fusca var. fascicularis (Leptochloa fusca ssp. fascicularis)

Diplotaxis muralis

Disporum trachycarpum (Prosartes trachycarpa)

Distichlis spicata

Distichlis spicata ssp. stricta (Distichlis spicata)

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Distichlis spicata var. stricta (Distichlis spicata)

Distichlis stricta (Distichlis spicata)

Dodecatheon conjugens var. beamishii (Dodecatheon conjugens var. viscidum)

Dodecatheon conjugens var. viscidum

Dodecatheon cylindrocarpum (Dodecatheon conjugens var. viscidum)

Dodecatheon pauciflorum (Dodecatheon pulchellum ssp. pulchellum)

Dodecatheon pulchellum ssp. pauciflorum (Dodecatheon pulchellum ssp. pulchellum)

Dodecatheon pulchellum ssp. pulchellum

Dodecatheon pulchellum var. pulchellum (Dodecatheon pulchellum ssp. pulchellum)

Dodecatheon radicatum (Dodecatheon pulchellum ssp. pulchellum)

Dodecatheon salinum (Dodecatheon pulchellum ssp. pulchellum)

Doellingeria ptarmicoides (Solidago ptarmicoides)

Doellingeria umbellata ssp. pubens (Doellingeria umbellata var. pubens)

Doellingeria umbellata var. pubens

Downingia laeta

Draba aurea

Draba aurea var. leiocarpa (Draba aurea)

Draba breweri var. cana (Draba cana)

Draba cana

Draba cinerea

Draba lanceolata (Draba cana)

Draba lutea (Draba nemorosa)

Draba micrantha (Draba reptans)

Draba nemorosa

Draba nemorosa var. leiocarpa (Draba nemorosa)

Draba reptans

Draba reptans var. micrantha (Draba reptans)

Draba reptans var. stellifera (Draba reptans)

Draba verna

Dracocephalum nuttallii (Physostegia ledinghamii)

Dracocephalum parviflorum

Dracocephalum thymiflorum

Drosera anglica

Drosera intermedia (Drosera anglica)

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Drosera linearis

Drosera rotundifolia

Dryas drummondii

Drymocallis arguta

Dryopteris austriaca var. spinulosa (Dryopteris carthusiana)

Dryopteris carthusiana

Dryopteris cristata

Dryopteris disjuncta (Gymnocarpium dryopteris)

Dryopteris expansa

Dryopteris filix-mas

Dryopteris fragrans (Dryopteris fragrans var. remotiuscula)

Dryopteris fragrans var. remotiuscula

Dryopteris linnaeana (Gymnocarpium dryopteris)

Dryopteris phegopteris (Phegopteris connectilis)

Dryopteris spinulosa (Dryopteris carthusiana)

Dryopteris thelypteris var. pubescens (Thelypteris palustris var. pubescens)

Dyssodia papposa

Echinacea angustifolia var. angustifolia

Echinochloa crus-galli

Echinochloa crusgalli (Echinochloa crus-galli)

Echinochloa muricata var. microstachya

Echinocystis lobata

Echinops exaltatus

Echinops sphaerocephala (Echinops sphaerocephalus)

Echinops sphaerocephalus

Echium vulgare

Elaeagnus angustifolia

Elaeagnus commutata

Elatine americana

Elatine rubella (Elatine triandra)

Elatine triandra

Elatine triandra var. americana (Elatine americana)

Eleocharis acicularis

Eleocharis acutisquamata (Eleocharis compressa var. acutisquamata)

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Eleocharis calva (Eleocharis erythropoda)

Eleocharis coloradoensis

Eleocharis compressa var. acutisquamata

Eleocharis elliptica

Eleocharis elliptica var. compressa (Eleocharis compressa var. acutisquamata)

Eleocharis engelmannii

Eleocharis engelmannii var. monticola (Eleocharis engelmannii)

Eleocharis erythropoda

Eleocharis mamillata ssp. mamillata

Eleocharis nitida

Eleocharis obtusa (Eleocharis engelmannii)

Eleocharis ovata var. engelmannii (Eleocharis engelmannii)

Eleocharis palustris

Eleocharis palustris var. calva (Eleocharis erythropoda)

Eleocharis palustris var. major (Eleocharis palustris)

Eleocharis parvula var. anachaeta (Eleocharis coloradoensis)

Eleocharis parvula var. coloradoensis (Eleocharis coloradoensis)

Eleocharis pauciflora (Eleocharis quinqueflora)

Eleocharis pauciflora var. suksdorfiana (Eleocharis quinqueflora)

Eleocharis quinqueflora

Eleocharis quinqueflora ssp. fernaldii (Eleocharis quinqueflora)

Eleocharis smallii (Eleocharis palustris)

Eleocharis tenuis (Eleocharis nitida)

Eleocharis tenuis var. atrata (Eleocharis compressa var. acutisquamata)

Eleocharis tenuis var. borealis (Eleocharis compressa var. acutisquamata)

Eleocharis tenuis var. borealis (Eleocharis elliptica)

Eleocharis uniglumis

Ellisia nyctelea

Elodea bifoliata

Elodea canadensis

Elodea canadensis (Elodea bifoliata)

Elodea longivaginata (Elodea bifoliata)

Elymus albicans

Elymus arenarius ssp. mollis (Leymus arenarius)

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Elymus arenarius ssp. mollis (Leymus mollis ssp. mollis)

Elymus arenarius ssp. villosissimus (Leymus arenarius)

Elymus arenarius ssp. villosissimus (Leymus mollis ssp. mollis)

Elymus canadensis ssp. wiegandii (Elymus canadensis var. wiegandii)

Elymus canadensis var. brachystachys

Elymus canadensis var. canadensis

Elymus canadensis var. interruptus (Elymus diversiglumis)

Elymus canadensis var. wiegandii

Elymus cinereus (Leymus cinereus)

Elymus curvatus

Elymus diversiglumis

Elymus elymoides ssp. elymoides

Elymus glaucus ssp. glaucus

Elymus glaucus var. breviaristatus (Elymus glaucus ssp. glaucus)

Elymus innovatus (Leymus innovatus ssp. innovatus)

Elymus interruptus (Elymus diversiglumis)

Elymus junceus (Psathyrostachys juncea)

Elymus lanceolatus ssp. albicans (Elymus albicans)

Elymus lanceolatus ssp. lanceolatus

Elymus lanceolatus ssp. psammophilus

Elymus lanceolatus ssp. riparius

Elymus lanceolatus var. lanceolatus (Elymus lanceolatus ssp. lanceolatus)

Elymus lanceolatus var. riparius (Elymus lanceolatus ssp. lanceolatus)

Elymus mollis (Leymus arenarius)

Elymus mollis (Leymus mollis ssp. mollis)

Elymus mollis ssp. mollis (Leymus mollis ssp. mollis)

Elymus piperi (Leymus cinereus)

Elymus repens

Elymus sitanion (Elymus elymoides ssp. elymoides)

Elymus smithii (Pascopyrum smithii)

Elymus spicatus (Pseudoroegneria spicata)

Elymus submuticus (Elymus curvatus)

Elymus trachycaulus ssp. glaucus (Elymus trachycaulus ssp. subsecundus)

Elymus trachycaulus ssp. novae-angliae (Elymus trachycaulus ssp. trachycaulus)

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Elymus trachycaulus ssp. subsecundus

Elymus trachycaulus ssp. trachycaulus

Elymus trachycaulus var. novae-angliae (Elymus trachycaulus ssp. trachycaulus)

Elymus trachycaulus var. unilateralis (Elymus trachycaulus ssp. subsecundus)

Elymus virginicus var. jejunus

Elymus virginicus var. jenkinsii (Elymus curvatus)

Elymus virginicus var. submuticus (Elymus curvatus)

Elymus virginicus var. virginicus

Elymus vulpinus

Elymus wiegandii (Elymus canadensis var. wiegandii)

Elymus x pseudorepens (Elymus vulpinus)

Elytrigia intermedia (Thinopyrum intermedium)

Elytrigia smithii (Pascopyrum smithii)

Elytrigia spicatus (Pseudoroegneria spicata)

Empetrum hermaphroditum (Empetrum nigrum)

Empetrum nigrum

Empetrum nigrum ssp. hermaphroditum (Empetrum nigrum)

Endolepis dioica (Atriplex suckleyi)

Endotropis alnifolia (Rhamnus alnifolia)

Epilobium adenocaulon (Epilobium ciliatum ssp. ciliatum)

Epilobium americanum (Epilobium ciliatum ssp. ciliatum)

Epilobium angustifolium (Chamerion angustifolium ssp. angustifolium)

Epilobium angustifolium ssp. circumvagum (Chamerion angustifolium ssp. circumvagum)

Epilobium brachycarpum

Epilobium campestre

Epilobium ciliatum ssp. ciliatum

Epilobium ciliatum ssp. glandulosum

Epilobium ciliatum var. glandulosum (Epilobium ciliatum ssp. glandulosum)

Epilobium davuricum

Epilobium glandulosum (Epilobium ciliatum ssp. glandulosum)

Epilobium glandulosum var. adenocaulon (Epilobium ciliatum ssp. ciliatum)

Epilobium glandulosum var. macounii (Epilobium ciliatum ssp. ciliatum)

Epilobium glandulosum var. perplexans (Epilobium ciliatum ssp. ciliatum)

Epilobium hornemannii ssp. hornemannii

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Epilobium leptophyllum

Epilobium lineare (Epilobium palustre)

Epilobium palustre

Epilobium palustre (Epilobium leptophyllum)

Epilobium palustre var. gracile (Epilobium leptophyllum)

Epilobium palustre var. grammadophyllum (Epilobium palustre)

Epilobium palustre var. labradoricum (Epilobium palustre)

Epilobium palustre var. oliganthum (Epilobium palustre)

Epilobium paniculatum (Epilobium brachycarpum)

Epilobium pygmaeum (Epilobium campestre)

Epilobium watsonii (Epilobium ciliatum ssp. ciliatum)

Epilobium watsonii var. occidentale (Epilobium ciliatum ssp. glandulosum)

Epilobium wyomingense (Epilobium palustre)

Equisetum arvense

Equisetum fluviatile

Equisetum fluviatile var. limosum (Equisetum fluviatile)

Equisetum funstonii (Equisetum laevigatum)

Equisetum hyemale ssp. affine (Equisetum hyemale var. affine)

Equisetum hyemale var. affine

Equisetum hyemale var. pseudohyemale (Equisetum hyemale var. affine)

Equisetum kansanum (Equisetum laevigatum)

Equisetum laevigatum

Equisetum laevigatum ssp. funstonii (Equisetum laevigatum)

Equisetum limosum (Equisetum fluviatile)

Equisetum palustre

Equisetum palustre var. americanum (Equisetum palustre)

Equisetum palustre var. simplicissimum (Equisetum palustre)

Equisetum pratense

Equisetum scirpoides

Equisetum sylvaticum

Equisetum sylvaticum var. multiramosum (Equisetum sylvaticum)

Equisetum sylvaticum var. pauciramosum (Equisetum sylvaticum)

Equisetum variegatum ssp. variegatum

Equisetum variegatum var. anceps (Equisetum variegatum ssp. variegatum)

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Equisetum variegatum var. variegatum (Equisetum variegatum ssp. variegatum)

Equisetum x ferrissii

Equisetum x litorale

Equisetum x mackaii

Eragrostis cilianensis

Eragrostis hypnoides

Eragrostis major (Eragrostis cilianensis)

Eragrostis megastachya (Eragrostis cilianensis)

Eragrostis minor

Eragrostis poaeoides (Eragrostis minor)

Eremogone congesta var. lithophila

Eremopyrum triticeum

Ericameria nauseosa var. glabrata (Ericameria nauseosa var. graveolens)

Ericameria nauseosa var. graveolens

Ericameria nauseosa var. nauseosa

Erigeron acris ssp. kamtschaticus (Erigeron acris var. kamtschaticus)

Erigeron acris ssp. politus (Erigeron acris var. kamtschaticus)

Erigeron acris var. asteroides (Erigeron acris var. kamtschaticus)

Erigeron acris var. elatus (Erigeron elatus)

Erigeron acris var. kamtschaticus

Erigeron angulosus (Erigeron acris var. kamtschaticus)

Erigeron annuus

Erigeron annuus var. discoideus (Erigeron annuus)

Erigeron asper (Erigeron glabellus var. glabellus)

Erigeron asper (Erigeron glabellus var. pubescens)

Erigeron asper var. pubescens (Erigeron glabellus var. pubescens)

Erigeron asteroides (Erigeron acris var. kamtschaticus)

Erigeron caespitosus

Erigeron canadensis (Conyza canadensis)

Erigeron canadensis var. pusillus (Conyza canadensis)

Erigeron compositus

Erigeron compositus var. discoideus (Erigeron compositus)

Erigeron compositus var. glabratus (Erigeron compositus)

Erigeron compositus var. multifidus (Erigeron compositus)

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Erigeron elatus

Erigeron elongatus (Erigeron acris var. kamtschaticus)

Erigeron glabellus ssp. pubescens (Erigeron glabellus var. pubescens)

Erigeron glabellus var. glabellus

Erigeron glabellus var. pubescens

Erigeron huberi (Erigeron radicatus)

Erigeron hyssopifolius

Erigeron kamtschaticus (Erigeron acris var. kamtschaticus)

Erigeron lonchophyllus

Erigeron macounii (Erigeron radicatus)

Erigeron minor (Erigeron lonchophyllus)

Erigeron oblanceolatus (Erigeron glabellus var. glabellus)

Erigeron philadelphicus var. philadelphicus

Erigeron philadelphicus var. scaturicola (Erigeron philadelphicus var. philadelphicus)

Erigeron politus (Erigeron acris var. kamtschaticus)

Erigeron pumilus ssp. pumilus (Erigeron pumilus var. pumilus)

Erigeron pumilus var. pumilus

Erigeron purpureus (Erigeron philadelphicus var. philadelphicus)

Erigeron racemosus (Erigeron lonchophyllus)

Erigeron radicatus

Erigeron strigosus var. septentrionalis

Erigeron strigosus var. strigosus

Erigeron traversii (Erigeron strigosus var. strigosus)

Eriocoma hymenoides (Achnatherum hymenoides)

Eriogonum cernuum

Eriogonum flavum var. flavum

Eriogonum multiceps (Eriogonum pauciflorum var. pauciflorum)

Eriogonum pauciflorum var. pauciflorum

Eriophorum alpinum (Trichophorum alpinum)

Eriophorum angustifolium ssp. angustifolium

Eriophorum angustifolium var. majus (Eriophorum angustifolium ssp. angustifolium)

Eriophorum brachyantherum var. brachyantherum

Eriophorum chamissonis

Eriophorum chamissonis var. albidum (Eriophorum chamissonis)

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Eriophorum gracile

Eriophorum polystachion (Eriophorum angustifolium ssp. angustifolium)

Eriophorum russeolum (Eriophorum chamissonis)

Eriophorum russeolum var. albidum (Eriophorum chamissonis)

Eriophorum russeolum var. rufescens (Eriophorum chamissonis)

Eriophorum scheuchzeri

Eriophorum tenellum

Eriophorum vaginatum

Eriophorum vaginatum var. spissum (Eriophorum vaginatum)

Eriophorum vaginatum var. vaginatum (Eriophorum vaginatum)

Eriophorum viridicarinatum

Erodium cicutarium ssp. cicutarium

Eruca vesicaria ssp. sativa

Erucastrum gallicum

Eryngium planum

Erysimum asperum

Erysimum capitatum (Erysimum asperum)

Erysimum cheiranthoides

Erysimum hieraciifolium

Erysimum inconspicuum

Erythranthe geyeri

Erythranthe guttata

Escobaria vivipara (Escobaria vivipara var. vivipara)

Escobaria vivipara var. vivipara

Eupatoriadelphus maculatus var. bruneri (Eutrochium maculatum var. bruneri)

Eupatorium maculatum ssp. bruneri (Eutrochium maculatum var. bruneri)

Eupatorium maculatum var. bruneri (Eutrochium maculatum var. bruneri)

Eupatorium purpureum var. maculatum (Eutrochium maculatum var. bruneri)

Euphorbia agraria

Euphorbia agraria (Euphorbia peplus)

Euphorbia cyparissias

Euphorbia esula (Euphorbia virgata)

Euphorbia esula var. uralensis (Euphorbia virgata)

Euphorbia glyptosperma

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Euphorbia helioscopia

Euphorbia lucida

Euphorbia marginata

Euphorbia peplus

Euphorbia serpens

Euphorbia serpillifolia ssp. serpillifolia

Euphorbia serpyllifolia ssp. serpyllifolia (Euphorbia serpillifolia ssp. serpillifolia)

Euphorbia uralensis (Euphorbia virgata)

Euphorbia virgata

Euphrasia arctica var. disjuncta (Euphrasia subarctica)

Euphrasia arctica var. dolosa (Euphrasia subarctica)

Euphrasia disjuncta (Euphrasia subarctica)

Euphrasia disjuncta var. dolosa (Euphrasia subarctica)

Euphrasia hudsoniana (Euphrasia subarctica)

Euphrasia hudsoniana var. contracta (Euphrasia subarctica)

Euphrasia hudsoniana var. ramosior (Euphrasia subarctica)

Euphrasia subarctica

Eurotia lanata (Krascheninnikovia lanata)

Eurybia conspicua

Euthamia graminifolia var. graminifolia

Eutrema salsugineum

Eutrochium maculatum var. bruneri

Fagopyrum esculentum

Fagopyrum sagittatum (Fagopyrum esculentum)

Fagopyrum tataricum

Fallopia cilinodis

Fallopia convolvulus

Fallopia scandens

Festuca altaica ssp. hallii (Festuca hallii)

Festuca altaica var. hallii (Festuca hallii)

Festuca altaica var. major (Festuca campestris)

Festuca brachyphylla ssp. brachyphylla

Festuca brevifolia (Festuca brachyphylla ssp. brachyphylla)

Festuca campestris

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Festuca elatior (Schedonorus pratensis)

Festuca hallii

Festuca idahoensis

Festuca idahoensis ssp. idahoensis (Festuca idahoensis)

Festuca myuros (Vulpia myuros)

Festuca occidentalis var. ingrata (Festuca idahoensis)

Festuca octoflora (Vulpia octoflora)

Festuca ovina var. brachyphylla (Festuca brachyphylla ssp. brachyphylla)

Festuca ovina var. brevifolia (Festuca brachyphylla ssp. brachyphylla)

Festuca ovina var. ingrata (Festuca idahoensis)

Festuca pratensis (Schedonorus pratensis)

Festuca prolifera var. lasiolepis

Festuca rubra ssp. arctica

Festuca rubra ssp. arenaria (Festuca rubra ssp. arctica)

Festuca rubra ssp. prolifera (Festuca prolifera var. lasiolepis)

Festuca rubra ssp. richardsonii (Festuca rubra ssp. arctica)

Festuca rubra ssp. rubra

Festuca rubra var. prolifera (Festuca prolifera var. lasiolepis)

Festuca saximontana var. saximontana

Festuca scabrella ssp. hallii (Festuca hallii)

Festuca scabrella var. major (Festuca campestris)

Festuca trachyphylla

Filago arvensis (Logfia arvensis)

Fragaria americana (Fragaria vesca ssp. americana)

Fragaria glauca (Fragaria virginiana ssp. glauca)

Fragaria vesca ssp. americana

Fragaria vesca var. americana (Fragaria vesca ssp. americana)

Fragaria virginiana ssp. glauca

Fragaria virginiana var. glauca (Fragaria virginiana ssp. glauca)

Frangula alnus

Franseria acanthicarpa (Ambrosia acanthicarpa)

Fraxinus pennsylvanica

Fraxinus pennsylvanica var. austinii (Fraxinus pennsylvanica)

Fraxinus pennsylvanica var. lanceolata (Fraxinus pennsylvanica)

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Fraxinus pennsylvanica var. subintegerrima (Fraxinus pennsylvanica)

Fumaria officinalis

Fumaria vaillantii (Fumaria officinalis)

Gaertneria acanthicarpa (Ambrosia acanthicarpa)

Gaillardia aristata

Galearis rotundifolia (Amerorchis rotundifolia)

Galeopsis bifida

Galeopsis tetrahit var. bifida (Galeopsis bifida)

Galeopsis tetrahit var. tetrahit

Galinsoga ciliata (Galinsoga quadriradiata)

Galinsoga quadriradiata

Galium aparine

Galium asprellum

Galium boreale

Galium boreale ssp. septentrionale (Galium boreale)

Galium brandegei (Galium trifidum ssp. trifidum)

Galium labradoricum

Galium palustre (Galium trifidum ssp. trifidum)

Galium spurium (Galium aparine)

Galium tinctorium (Galium trifidum ssp. trifidum)

Galium trifida (Galium labradoricum)

Galium trifidum ssp. trifidum

Galium trifidum var. trifidum (Galium trifidum ssp. trifidum)

Galium triflorum

Gallium aparine var. intermedium (Galium aparine)

Gallium aparine var. spurium (Galium aparine)

Gallium aparine var. vaillantii (Galium aparine)

Gallium spurium (Galium aparine)

Gaultheria hispidula

Gaura coccinea

Gaura coccinea var. glabra (Gaura coccinea)

Gentiana affinis

Gentiana amarella ssp. acuta (Gentianella amarella ssp. acuta)

Gentiana amarella var. acuta (Gentianella amarella ssp. acuta)

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Gentiana andrewsii var. dakotica

Gentiana aquatica (Gentiana fremontii)

Gentiana barbata (Gentianopsis virgata ssp. macounii)

Gentiana crinita (Gentianopsis virgata ssp. macounii)

Gentiana crinita var. tonsa (Gentianopsis virgata ssp. macounii)

Gentiana detonsa var. tonsa (Gentianopsis virgata ssp. macounii)

Gentiana fremontii

Gentiana macounii (Gentianopsis virgata ssp. macounii)

Gentiana procera (Gentianopsis virgata ssp. virgata)

Gentiana prostrata (Gentiana fremontii)

Gentiana puberulenta

Gentiana purula (Gentiana puberulenta)

Gentianella acuta (Gentianella amarella ssp. acuta)

Gentianella amarella ssp. acuta

Gentianella amarella var. stricta (Gentianella amarella ssp. acuta)

Gentianella crinita ssp. macounii (Gentianopsis virgata ssp. macounii)

Gentianella crinita ssp. procera (Gentianopsis virgata ssp. virgata)

Gentianella strictiflora (Gentianella amarella ssp. acuta)

Gentianopsis macounii (Gentianopsis virgata ssp. macounii)

Gentianopsis procera (Gentianopsis virgata ssp. virgata)

Gentianopsis procera ssp. macounii var. macounii (Gentianopsis virgata ssp. macounii)

Gentianopsis virgata ssp. macounii

Gentianopsis virgata ssp. virgata

Geocaulon lividum

Geranium bicknellii

Geranium bicknellii var. longipes (Geranium bicknellii)

Geranium carolinianum

Geranium pratense

Geranium pusillum

Geranium richardsonii

Geranium sphaerospermum (Geranium carolinianum)

Geranium viscosissimum

Geum aleppicum

Geum aleppicum ssp. strictum (Geum aleppicum)

1/29/2021 This Report may be cited as: Saskatchewan Conservation Data Centre. January 2021. Page 54 of 123 Saskatchewan Accepted and Synonym Scientific Names List: Vascular Plants. Regina, Saskatchewan. Retrieved from www.biodiversity.sk.ca/SppList.htm Species Name (For Synonyms, Accepted Name is in Brackets):

Geum aleppicum var. strictum (Geum aleppicum)

Geum ciliatum (Geum triflorum var. ciliatum)

Geum macrophyllum ssp. perincisum (Geum macrophyllum var. perincisum)

Geum macrophyllum var. perincisum

Geum perincisum (Geum macrophyllum var. perincisum)

Geum perincisum var. intermedium (Geum macrophyllum var. perincisum)

Geum rivale

Geum triflorum var. ciliatum

Geum triflorum var. triflorum

Gila septentrionalis (Linanthus septentrionalis)

Glaux maritima (Lysimachia maritima)

Glaux maritima ssp. obtusifolia (Lysimachia maritima)

Glaux maritima var. angustifolia (Lysimachia maritima)

Glaux maritima var. obtusifolia (Lysimachia maritima)

Glechoma hederacea

Glyceria borealis

Glyceria canadensis var. canadensis

Glyceria fernaldii (Torreyochloa pallida var. fernaldii)

Glyceria grandis var. grandis

Glyceria maxima ssp. grandis (Glyceria grandis var. grandis)

Glyceria maxima var. americana (Glyceria grandis var. grandis)

Glyceria pallida var. fernaldii (Torreyochloa pallida var. fernaldii)

Glyceria pulchella

Glyceria striata var. striata

Glycyrrhiza lepidota

Gnaphalium palustre

Gnaphalium uliginosum

Goodyera decipiens (Goodyera oblongifolia)

Goodyera menziesii (Goodyera oblongifolia)

Goodyera oblongifolia

Goodyera repens

Goodyera repens var. ophioides (Goodyera repens)

Gratiola neglecta

Grindelia hirsutula

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Grindelia serrulata (Grindelia squarrosa)

Grindelia squarrosa

Grindelia squarrosa var. integrifolia (Grindelia hirsutula)

Grindelia squarrosa var. quasiperennis (Grindelia hirsutula)

Grindelia squarrosa var. serrulata (Grindelia squarrosa)

Gutierrezia diversifolia (Gutierrezia sarothrae)

Gutierrezia sarothrae

Gymnocarpium continentale (Gymnocarpium jessoense ssp. parvulum)

Gymnocarpium disjuncta (Gymnocarpium jessoense ssp. parvulum)

Gymnocarpium dryopteris

Gymnocarpium jessoense ssp. parvulum

Gymnocarpium robertianum

Gymnocarpium robertianum (Gymnocarpium jessoense ssp. parvulum)

Gymnocarpium x intermedium

Gypsophila elegans

Gypsophila paniculata

Gypsophila vaccaria (Vaccaria hispanica)

Habenaria dilatata (Platanthera dilatata var. dilatata)

Habenaria dilatata var. albiflora (Platanthera dilatata var. dilatata)

Habenaria hyperborea (Platanthera aquilonis)

Habenaria obtusata (Platanthera obtusata)

Habenaria obtusata var. collectanea (Platanthera obtusata)

Habenaria orbiculata (Platanthera orbiculata)

Habenaria viridis (Coeloglossum viride)

Habenaria X media (Platanthera x media)

Hackelia americana (Hackelia deflexa var. americana)

Hackelia deflexa var. americana

Hackelia floribunda

Halenia deflexa ssp. deflexa

Halerpestes cymbalaria (Ranunculus cymbalaria)

Halimodendron halodendron

Halimolobos virgata (Eutrema salsugineum)

Halimolobos virgata (Transberingia bursifolia ssp. virgata)

Hammarbya paludosa (Malaxis paludosa)

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Haplopappus acaulis (Stenotus armerioides var. armerioides)

Haplopappus armerioides (Stenotus armerioides var. armerioides)

Haplopappus lanceolatus (Pyrrocoma lanceolata var. lanceolata)

Haplopappus lanceolatus ssp. vaseyi (Pyrrocoma lanceolata var. lanceolata)

Haplopappus lanceolatus var. sublanatus (Pyrrocoma lanceolata var. lanceolata)

Haplopappus nuttallii (Xanthisma grindelioides var. grindelioides)

Haplopappus spinulosum (Xanthisma spinulosum var. spinulosum)

Hedeoma hispida

Hedysarum alpinum

Hedysarum alpinum ssp. americanum (Hedysarum alpinum)

Hedysarum alpinum var. americanum (Hedysarum alpinum)

Hedysarum alpinum var. philoscia (Hedysarum alpinum)

Hedysarum americanum (Hedysarum alpinum)

Hedysarum boreale ssp. boreale

Hedysarum boreale ssp. mackenziei

Hedysarum boreale var. cinerascens (Hedysarum boreale ssp. boreale)

Hedysarum boreale var. mackenziei (Hedysarum boreale ssp. mackenziei)

Hedysarum mackenziei (Hedysarum boreale ssp. mackenziei)

Helenium autumnale

Helenium autumnale var. grandiflorum (Helenium autumnale)

Helenium autumnale var. montanum (Helenium autumnale)

Helianthus annuus

Helianthus annuus var. lenticularis (Helianthus annuus)

Helianthus couplandii (Helianthus petiolaris ssp. petiolaris)

Helianthus dalyi (Helianthus maximiliani)

Helianthus giganteus (Helianthus nuttallii ssp. nuttallii)

Helianthus laetiflorus var. subrhomboideus (Helianthus pauciflorus ssp. subrhomboideus)

Helianthus maximiliani

Helianthus nuttallii ssp. canadensis (Helianthus nuttallii ssp. nuttallii)

Helianthus nuttallii ssp. nuttallii

Helianthus nuttallii ssp. rydbergii

Helianthus nuttallii var. rydbergii (Helianthus nuttallii ssp. rydbergii)

Helianthus nuttallii var. subtuberosus (Helianthus nuttallii ssp. nuttallii)

Helianthus pauciflorus ssp. subrhomboideus

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Helianthus pauciflorus var. subrhomboideus (Helianthus pauciflorus ssp. subrhomboideus)

Helianthus petiolaris ssp. petiolaris

Helianthus rydbergii (Helianthus nuttallii ssp. rydbergii)

Helianthus subrhomboideus (Helianthus pauciflorus ssp. subrhomboideus)

Helianthus tomentosus (Helianthus tuberosus)

Helianthus tuberosus

Helianthus tuberosus var. subcanescens (Helianthus tuberosus)

Helictochloa hookeri (Avenula hookeri)

Helictotrichon hookeri (Avenula hookeri)

Heliopsis helianthoides ssp. occidentalis (Heliopsis helianthoides var. scabra)

Heliopsis helianthoides var. occidentalis (Heliopsis helianthoides var. scabra)

Heliopsis helianthoides var. scabra

Heliopsis scabra (Heliopsis helianthoides var. scabra)

Heliotropium curassavicum var. obovatum

Heliotropium spathulatum (Heliotropium curassavicum var. obovatum)

Helminthotheca echioides

Heracleum lanatum (Heracleum maximum)

Heracleum maximum

Hesperis matronalis

Hesperostipa comata ssp. comata

Hesperostipa curtiseta

Hesperostipa spartea

Heterotheca villosa var. ballardii (Heterotheca villosa var. minor)

Heterotheca villosa var. ballardii (Heterotheca villosa var. villosa)

Heterotheca villosa var. foliosa (Heterotheca villosa var. minor)

Heterotheca villosa var. foliosa (Heterotheca villosa var. villosa)

Heterotheca villosa var. hispida (Heterotheca villosa var. minor)

Heterotheca villosa var. minor

Heterotheca villosa var. villosa

Heuchera flabellifolia (Heuchera parvifolia)

Heuchera parvifolia

Heuchera richardsonii

Heuchera richardsonii var. hispidior (Heuchera richardsonii)

Hibiscus trionum

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Hieracium albiflorum

Hieracium aurantiacum

Hieracium canadense (Hieracium umbellatum)

Hieracium piloselloides

Hieracium scabriusculum (Hieracium umbellatum)

Hieracium scabriusculum var. columbianum (Hieracium umbellatum)

Hieracium scabriusculum var. saximontanum (Hieracium umbellatum)

Hieracium scabriusculum var. scabrum (Hieracium umbellatum)

Hieracium umbellatum

Hieracium umbellatum ssp. canadense (Hieracium umbellatum)

Hieracium umbellatum var. canadense (Hieracium umbellatum)

Hieracium umbellatum var. scabriusculum (Hieracium umbellatum)

Hierochloe hirta ssp. arctica (Anthoxanthum hirtum ssp. arcticum)

Hierochloe odorata (Anthoxanthum hirtum ssp. arcticum)

Hierochloe odorata ssp. arctica (Anthoxanthum hirtum ssp. arcticum)

Hippochaete laevigata (Equisetum laevigatum)

Hippophae rhamnoides

Hippuris vulgaris

Hordeum brachyantherum ssp. brachyantherum

Hordeum caespitosum (Hordeum jubatum ssp. intermedium)

Hordeum distichon (Hordeum vulgare)

Hordeum jubatum ssp. breviaristatum (Hordeum brachyantherum ssp. brachyantherum)

Hordeum jubatum ssp. intermedium

Hordeum jubatum ssp. jubatum

Hordeum jubatum var. boreale (Hordeum brachyantherum ssp. brachyantherum)

Hordeum jubatum var. caespitosum (Hordeum jubatum ssp. intermedium)

Hordeum vulgare

Hornungia procumbens

Houstonia longifolia

Hudsonia tomentosa

Humulus lupulus ssp. americanus (Humulus lupulus var. lupuloides)

Humulus lupulus var. lupuloides

Humulus lupulus var. lupulus

Humulus lupulus var. neomexicanus

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Huperzia continentalis

Huperzia selago var. densa

Huperzia selago var. selago

Hutchinsia procumbens (Hornungia procumbens)

Hylotelephium telephium

Hymenolobus procumbens (Hornungia procumbens)

Hymenopappus filifolius var. polycephalus

Hymenopappus polycephalus (Hymenopappus filifolius var. polycephalus)

Hymenoxys acaulis (Tetraneuris acaulis var. acaulis)

Hymenoxys richardsonii var. richardsonii

Hyoscyamus niger

Hypericum canadense var. majus (Hypericum majus)

Hypericum fraseri (Triadenum fraseri)

Hypericum majus

Hypericum mutilum ssp. mutilum

Hypericum virginicum var. fraseri (Triadenum fraseri)

Hypochaeris radicata

Hypopitys monotropa (Monotropa hypopithys)

Hypoxis hirsuta

Hyssopus officinalis

Impatiens biflora (Impatiens capensis)

Impatiens capensis

Impatiens glandulifera

Impatiens noli-tangere

Impatiens occidentalis (Impatiens noli-tangere)

Impatiens pallida (Impatiens capensis)

Impatiens pallida (Impatiens noli-tangere)

Inula helenium

Iris germanica

Iris orientalis

Iris versicolor

Isoetes echinospora

Isoetes lacustris

Isoetes macrospora (Isoetes lacustris)

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Isoetes x hickeyi

Iva axillaris

Iva axillaris ssp. robustior (Iva axillaris)

Iva paniculata (Cyclachaena xanthiifolia)

Iva xanthifolia (Cyclachaena xanthiifolia)

Juncus albescens (Juncus triglumis var. albescens)

Juncus alpinoarticulatus

Juncus alpinoarticulatus ssp. nodulosus (Juncus alpinoarticulatus)

Juncus alpinus (Juncus alpinoarticulatus)

Juncus alpinus var. americanus (Juncus alpinoarticulatus)

Juncus arcticus var. balticus (Juncus balticus)

Juncus balticus

Juncus balticus var. littoralis (Juncus balticus)

Juncus balticus var. montanus (Juncus balticus)

Juncus brachycephalus (Juncus brevicaudatus)

Juncus brevicaudatus

Juncus bufonius

Juncus castaneus

Juncus compressus

Juncus confusus

Juncus dudleyi

Juncus ensifolius

Juncus ensifolius var. major (Juncus saximontanus)

Juncus ensifolius var. montanus (Juncus saximontanus)

Juncus filiformis

Juncus greenei (Juncus vaseyi)

Juncus interior

Juncus longistylis var. longistylis

Juncus mertensianus var. badius (Juncus nevadensis)

Juncus nevadensis

Juncus nodosus (Juncus nodosus var. nodosus)

Juncus nodosus var. megacephalus (Juncus torreyi)

Juncus nodosus var. nodosus

Juncus saximontanus

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Juncus stygius ssp. americanus

Juncus stygius var. americanus (Juncus stygius ssp. americanus)

Juncus tenuis

Juncus tenuis var. congestus (Juncus confusus)

Juncus tenuis var. dudleyi (Juncus dudleyi)

Juncus tenuis var. multicornis (Juncus tenuis)

Juncus torreyi

Juncus tracyi (Juncus saximontanus)

Juncus triglumis var. albescens

Juncus vaseyi

Juncus xiphioides (Juncus saximontanus)

Juniperus communis var. depressa

Juniperus horizontalis

Juniperus scopulorum

Kalmia glauca (Kalmia polifolia)

Kalmia microphylla var. microphylla

Kalmia polifolia

Kalmia polifolia var. rosmarinifolia (Kalmia polifolia)

Kalmia procumbens

Knautia arvensis

Kochia scoparia (Bassia scoparia)

Koeleria cristata (Koeleria macrantha)

Koeleria gracilis (Koeleria macrantha)

Koeleria macrantha

Koeleria pyramidata (Koeleria macrantha)

Krascheninnikovia lanata

Lacinaria ligulistylis (Liatris ligulistylis)

Lactuca biennis

Lactuca biennis var. integrifolia (Lactuca biennis)

Lactuca campestris (Lactuca ludoviciana)

Lactuca ludoviciana

Lactuca pulchella (Mulgedium pulchellum)

Lactuca scariola (Lactuca serriola)

Lactuca serriola

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Lactuca tatarica ssp. pulchella (Mulgedium pulchellum)

Lactuca tatarica var. heterophylla (Mulgedium pulchellum)

Lactuca tatarica var. pulchella (Mulgedium pulchellum)

Ladeania lanceolata (Psoralidium lanceolatum)

Lamiastrum galeobdolon

Lamium album

Lamium amplexicaule

Lamium galeobdolon (Lamiastrum galeobdolon)

Laportea canadensis

Lappula americana (Hackelia deflexa var. americana)

Lappula deflexa var. americana (Hackelia deflexa var. americana)

Lappula echinata (Lappula squarrosa)

Lappula echinata var. occidentalis (Lappula occidentalis var. cupulata)

Lappula echinata var. occidentalis (Lappula occidentalis var. occidentalis)

Lappula floribunda (Hackelia floribunda)

Lappula myosotis (Lappula squarrosa)

Lappula occidentalis (Lappula occidentalis var. occidentalis)

Lappula occidentalis var. cupulata

Lappula occidentalis var. occidentalis

Lappula redowskii (Lappula occidentalis var. cupulata)

Lappula redowskii (Lappula occidentalis var. occidentalis)

Lappula redowskii var. cupulata (Lappula occidentalis var. cupulata)

Lappula redowskii var. occidentalis (Lappula occidentalis var. occidentalis)

Lappula redowskii var. texana (Lappula occidentalis var. cupulata)

Lappula squarrosa

Lappula texana (Lappula occidentalis var. cupulata)

Lapsana communis

Larix laricina

Lathyrus ochroleucus

Lathyrus palustris

Lathyrus palustris var. linearifolius (Lathyrus palustris)

Lathyrus palustris var. macranthus (Lathyrus palustris)

Lathyrus palustris var. pilosus (Lathyrus palustris)

Lathyrus sativus

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Lathyrus tuberosus

Lathyrus venosus

Lathyrus venosus var. intonsus (Lathyrus venosus)

Lavatera thuringiaca

Lechea intermedia var. depauperata

Lechea minor var. depauperata (Lechea intermedia var. depauperata)

Ledum groenlandicum (Rhododendron groenlandicum)

Ledum palustre (Rhododendron tomentosum)

Ledum palustre ssp. decumbens (Rhododendron tomentosum)

Ledum palustre ssp. groenlandicum (Rhododendron groenlandicum)

Ledum palustre var. latifolium (Rhododendron groenlandicum)

Leersia oryzoides

Lemna minor

Lemna minor (Lemna turionifera)

Lemna polyrhiza (Spirodela polyrrhiza)

Lemna trisulca

Lemna turionifera

Lens culinaris

Leonurus cardiaca ssp. cardiaca

Lepidium appelianum

Lepidium campestre

Lepidium chalepense

Lepidium densiflorum

Lepidium draba

Lepidium perfoliatum

Lepidium ramosissimum

Lepidium ruderale

Lepidium sativum

Leptochloa acuminata (Leptochloa fusca ssp. fascicularis)

Leptochloa fascicularis (Leptochloa fusca ssp. fascicularis)

Leptochloa fusca ssp. fascicularis

Leptosiphon septentrionalis (Linanthus septentrionalis)

Lesquerella alpina var. spathulata (Physaria spatulata)

Lesquerella arenosa var. arenosa (Physaria arenosa ssp. arenosa)

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Lesquerella ludoviciana var. arenosa (Physaria arenosa ssp. arenosa)

Lesquerella spathulata (Physaria spatulata)

Leucanthemum vulgare

Leucanthemum vulgare var. pinnatifidum (Leucanthemum vulgare)

Leucophysalis grandiflora

Levisticum officinale

Leymus angustus

Leymus arenarius

Leymus arenarius ssp. mollis (Leymus arenarius)

Leymus arenarius ssp. mollis (Leymus mollis ssp. mollis)

Leymus cinereus

Leymus innovatus ssp. innovatus

Leymus mollis ssp. mollis

Leymus mollis var. mollis (Leymus arenarius)

Leymus mollis var. mollis (Leymus mollis ssp. mollis)

Liatris aspera (Liatris ligulistylis)

Liatris ligulistylis

Liatris punctata (Liatris punctata var. punctata)

Liatris punctata var. nebraskana (Liatris punctata var. punctata)

Liatris punctata var. punctata

Lilaea scilloides

Lilium philadelphicum f immaculata (Lilium philadelphicum var. andinum f immaculata)

Lilium philadelphicum var. andinum

Lilium philadelphicum var. andinum f immaculata

Lilium philadelphicum var. philadelphicum

Lilium umbellatum (Lilium philadelphicum var. andinum f immaculata)

Lilium umbellatum (Lilium philadelphicum var. andinum)

Limonium vulgare

Limosella aquatica

Linanthus septentrionalis

Linaria canadensis var. texana (Nuttallanthus texanus)

Linaria dalmatica ssp. dalmatica

Linaria genistifolia ssp. dalmatica (Linaria dalmatica ssp. dalmatica)

Linaria maroccana

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Linaria texana (Nuttallanthus texanus)

Linaria vulgaris

Linnaea borealis ssp. americana

Linum compactum

Linum lewisii var. lewisii

Linum perenne ssp. lewisii (Linum lewisii var. lewisii)

Linum perenne var. lewisii (Linum lewisii var. lewisii)

Linum pratense (Linum lewisii var. lewisii)

Linum rigidum var. compactum (Linum compactum)

Linum rigidum var. rigidum

Linum sulcatum (Linum compactum)

Linum sulcatum (Linum rigidum var. rigidum)

Linum usitatissimum

Lipandra polysperma var. acutifolia (Chenopodium polyspermum var. acutifolium)

Liparis loeselii

Listera borealis

Listera convallarioides (Listera borealis)

Listera cordata var. cordata

Lithophragma bulbiferum (Lithophragma glabrum)

Lithophragma glabrum

Lithophragma glabrum var. bulbiferum (Lithophragma glabrum)

Lithophragma glabrum var. ramulosum (Lithophragma glabrum)

Lithospermum angustifolium (Lithospermum incisum)

Lithospermum canescens

Lithospermum incisum

Lithospermum linearifolium (Lithospermum incisum)

Lithospermum occidentale (Onosmodium molle var. occidentale)

Lithospermum ruderale

Lobelia dortmanna

Lobelia hirtella (Lobelia spicata var. hirtella)

Lobelia kalmii

Lobelia kalmii var. striciflora (Lobelia kalmii)

Lobelia spicata var. hirtella

Lobelia strictiflora (Lobelia kalmii)

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Logfia arvensis

Loiseleuria procumbens (Kalmia procumbens)

Lolium dorei (Lolium persicum)

Lolium dorei var. laeve (Lolium persicum)

Lolium multiflorum

Lolium perenne (Lolium perenne ssp. perenne)

Lolium perenne ssp. multiflorum (Lolium multiflorum)

Lolium perenne ssp. perenne

Lolium perenne var. cristatum (Lolium multiflorum)

Lolium perenne var. cristatum (Lolium perenne ssp. perenne)

Lolium persicum

Lolium pratense (Schedonorus pratensis)

Lolium rigidum (Lolium persicum)

Lolium rigidum (Lolium temulentum ssp. temulentum)

Lolium temulentum ssp. temulentum

Lolium temulentum var. leptochaeton (Lolium temulentum ssp. temulentum)

Lomatium cous

Lomatium dissectum var. eatonii (Lomatium dissectum var. multifidum)

Lomatium dissectum var. multifidum

Lomatium foeniculaceum ssp. foeniculaceum

Lomatium macrocarpum

Lomatium montanum (Lomatium cous)

Lomatium multifidum (Lomatium dissectum var. multifidum)

Lomatium orientale

Lomatium villosum (Lomatium foeniculaceum ssp. foeniculaceum)

Lomatogonium rotatum

Lonicera caerulea var. villosa (Lonicera villosa var. solonis)

Lonicera dioica

Lonicera dioica var. dasygyna (Lonicera dioica)

Lonicera dioica var. glaucescens (Lonicera dioica)

Lonicera dioica var. orientalis (Lonicera dioica)

Lonicera glaucescens (Lonicera dioica)

Lonicera involucrata

Lonicera involucrata var. involucrata (Lonicera involucrata)

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Lonicera morrowii

Lonicera morrowii x tatarica (Lonicera x bella)

Lonicera oblongifolia

Lonicera oblongifolia var. altissima (Lonicera oblongifolia)

Lonicera oblongifolia var. oblongifolia (Lonicera oblongifolia)

Lonicera tatarica

Lonicera villosa var. solonis

Lonicera x bella

Lotus americanum (Lotus unifoliolatus var. unifoliolatus)

Lotus corniculatus

Lotus pedunculatus

Lotus purshianus (Lotus unifoliolatus var. unifoliolatus)

Lotus uliginosus (Lotus pedunculatus)

Lotus unifoliatus var. unifoliatus (Lotus unifoliolatus var. unifoliolatus)

Lotus unifoliolatus var. unifoliolatus

Lupinus argenteus ssp. parviflorus (Lupinus parviflorus ssp. parviflorus)

Lupinus argenteus var. argenteus

Lupinus argenteus var. macounii (Lupinus argenteus var. argenteus)

Lupinus argenteus var. macounii (Lupinus x alpestris)

Lupinus kingii (Lupinus pusillus ssp. pusillus)

Lupinus parviflorus ssp. parviflorus

Lupinus pusillus ssp. pusillus

Lupinus x alpestris

Luzula acuminata var. acuminata

Luzula campestris (Luzula multiflora ssp. multiflora)

Luzula campestris var. multiflora (Luzula multiflora ssp. multiflora)

Luzula campestris var. pallescens

Luzula confusa

Luzula multiflora ssp. frigida

Luzula multiflora ssp. multiflora

Luzula pallescens (Luzula campestris var. pallescens)

Luzula pallescens (Luzula multiflora ssp. multiflora)

Luzula pallidula (Luzula campestris var. pallescens)

Luzula parviflora ssp. parviflora

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Luzula pilosa (Luzula acuminata var. acuminata)

Luzula pilosa var. americana (Luzula acuminata var. acuminata)

Luzula pilosa var. saltuense (Luzula acuminata var. acuminata)

Lychnis alba (Silene latifolia)

Lychnis chalcedonica (Silene chalcedonica)

Lychnis drummondii (Silene drummondii ssp. drummondii)

Lychnis pudica (Silene drummondii ssp. drummondii)

Lychnis saponaria (Saponaria officinalis)

Lycium barbarum

Lycopodiella inundata

Lycopodium annotinum

Lycopodium complanatum (Diphasiastrum complanatum)

Lycopodium dendroideum

Lycopodium hickeyi

Lycopodium inundatum (Lycopodiella inundata)

Lycopodium lagopus

Lycopodium obscurum (Lycopodium dendroideum)

Lycopodium obscurum var. dendroideum (Lycopodium dendroideum)

Lycopodium sabinifolium var. sitchense (Diphasiastrum sitchense)

Lycopodium selago (Huperzia selago var. selago)

Lycopodium selago var. appressum (Huperzia selago var. densa)

Lycopodium selago var. patens (Huperzia selago var. densa)

Lycopodium selago var. selago (Huperzia selago var. selago)

Lycopodium sitchense (Diphasiastrum sitchense)

Lycopodium tristachyum (Diphasiastrum complanatum)

Lycopsis arvensis (Anchusa arvensis)

Lycopus americanus

Lycopus americanus var. scabrifolius (Lycopus americanus)

Lycopus asper

Lycopus lucidus ssp. americanus (Lycopus asper)

Lycopus lucidus var. americanus (Lycopus asper)

Lycopus uniflorus var. uniflorus

Lygodesmia juncea

Lygodesmia juncea var. rostrata (Shinnersoseris rostrata)

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Lygodesmia rostrata (Shinnersoseris rostrata)

Lysimachia borealis (Trientalis borealis)

Lysimachia ciliata

Lysimachia europaea (Trientalis europaea)

Lysimachia hybrida

Lysimachia lanceolata ssp. hybrida (Lysimachia hybrida)

Lysimachia maritima

Lysimachia minima (Anagallis minima)

Lysimachia thyrsiflora

Lythrum salicaria

Lythrum salicaria var. tomentosum (Lythrum salicaria)

Machaeranthera canescens var. canescens (Dieteria canescens var. canescens)

Machaeranthera grindelioides (Xanthisma grindelioides var. grindelioides)

Machaeranthera grindelioides var. grindelioides (Xanthisma grindelioides var. grindelioides)

Machaeranthera pinnatifida ssp. pinnatifida (Xanthisma spinulosum var. spinulosum)

Machaeranthera pinnatifida var. pinnatifida (Xanthisma spinulosum var. spinulosum)

Machaeranthera pulverulenta (Dieteria canescens var. canescens)

Madia glomerata

Mahonia repens (Berberis repens)

Maianthemum amplexicaule (Maianthemum racemosum ssp. amplexicaule)

Maianthemum canadense

Maianthemum canadense ssp. interius (Maianthemum canadense)

Maianthemum canadense var. interius (Maianthemum canadense)

Maianthemum racemosum (Maianthemum racemosum ssp. amplexicaule)

Maianthemum racemosum ssp. amplexicaule

Maianthemum racemosum var. amplexicaule (Maianthemum racemosum ssp. amplexicaule)

Maianthemum stellatum

Maianthemum trifolium

Malaxis brachypoda (Malaxis monophyllos var. brachypoda)

Malaxis monophyllos var. brachypoda

Malaxis paludosa

Malaxis unifolia (Malaxis monophyllos var. brachypoda)

Malcolmia africana

Malva alcea

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Malva crispa (Malva verticillata)

Malva moschata

Malva neglecta

Malva neglecta (Malva pusilla)

Malva parviflora

Malva pusilla

Malva rotundifolia (Malva neglecta)

Malva rotundifolia (Malva parviflora)

Malva rotundifolia (Malva pusilla)

Malva sylvestris

Malva verticillata

Malva verticillata var. crispa (Malva verticillata)

Malvastrum coccinea (Sphaeralcea coccinea ssp. coccinea)

Mammillaria vivipara (Escobaria vivipara var. vivipara)

Marrubium vulgare

Marsilea mucronata (Marsilea vestita)

Marsilea tenuifolia (Marsilea vestita)

Marsilea vestita

Marsilea vestita var. mucronata (Marsilea vestita)

Martynia louisianica (Proboscidea louisianica ssp. louisianica)

Matricaria chamomilla

Matricaria discoidea

Matricaria inodora (Tripleurospermum inodorum)

Matricaria maritima var. agrestis (Tripleurospermum inodorum)

Matricaria maritima var. inodora (Tripleurospermum inodorum)

Matricaria matricarioides (Matricaria discoidea)

Matricaria perforata (Tripleurospermum inodorum)

Matricaria recutita (Matricaria chamomilla)

Matricaria suaveolens (Matricaria chamomilla)

Matricaria suaveolens (Matricaria discoidea)

Matteuccia pensylvanica (Matteuccia struthiopteris var. pensylvanica)

Matteuccia struthiopteris var. pensylvanica

Matthiola bicornis (Matthiola longipetala)

Matthiola longipetala

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Medicago falcata (Medicago sativa ssp. falcata)

Medicago hispida (Medicago polymorpha)

Medicago lupulina

Medicago lupulina var. glandulosa (Medicago lupulina)

Medicago polymorpha

Medicago polymorpha var. vulgaris (Medicago polymorpha)

Medicago sativa ssp. falcata

Medicago sativa ssp. sativa

Megalodonta beckii (Bidens beckii)

Melampyrum lineare

Melandrium album (Silene latifolia)

Melandrium drummondii (Silene drummondii ssp. drummondii)

Melica bulbosa

Melica inflata (Melica bulbosa)

Melilotus alba (Melilotus albus)

Melilotus albus

Melilotus officinalis

Melilotus wolgica (Melilotus wolgicus)

Melilotus wolgicus

Mentha arvensis (Mentha canadensis)

Mentha canadensis

Mentha spicata

Mentzelia albicaulis

Mentzelia decapetala

Menyanthes trifoliata

Menyanthes trifoliata var. minor (Menyanthes trifoliata)

Mertensia linearis (Mertensia lanceolata var. lanceolata)

Mertensia lanceolata var. lanceolata

Mertensia paniculata var. paniculata

Micranthes occidentalis

Micranthes pensylvanica

Microseris cuspidata (Nothocalais cuspidata)

Milium effusum var. cisatlanticum

Millium effusum var. cisatlanticum (Milium effusum var. cisatlanticum)

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Mimulus cordatus (Erythranthe guttata)

Mimulus glabratus var. fremontii (Erythranthe geyeri)

Mimulus glabratus var. jamesii (Erythranthe geyeri)

Mimulus guttatus (Erythranthe guttata)

Mimulus guttatus ssp. arenicola (Erythranthe guttata)

Mimulus jamesii (Erythranthe geyeri)

Mimulus nasutus (Erythranthe guttata)

Mimulus ringens var. ringens

Minuartia dawsonensis

Minuartia rubella

Mirabilis albida

Mirabilis hirsuta (Mirabilis albida)

Mirabilis hirsuta var. linearis (Mirabilis linearis)

Mirabilis linearis

Mirabilis nyctaginea

Mirabilis pauciflora (Mirabilis albida)

Mitella nuda

Moehringia lateriflora

Moehringia macrophylla

Moldavica parviflora (Physostegia ledinghamii)

Moldavica parvi-florum (Dracocephalum parviflorum)

Moldavica thymiflora (Dracocephalum thymiflorum)

Monarda fistulosa var. menthifolia

Monarda fistulosa var. mollis

Monarda mollis (Monarda fistulosa var. mollis)

Moneses uniflora

Moneses uniflora ssp. uniflora (Moneses uniflora)

Monolepis nuttalliana

Monotropa hypopithys

Monotropa hypopitys ssp. lanuginosa (Monotropa hypopithys)

Monotropa hypopitys var. americana (Monotropa hypopithys)

Monotropa uniflora

Montia linearis

Muhlenbergia andina

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Muhlenbergia asperifolia

Muhlenbergia brevifolia (Muhlenbergia cuspidata)

Muhlenbergia cuspidata

Muhlenbergia glomerata

Muhlenbergia glomerata var. cinnoides (Muhlenbergia glomerata)

Muhlenbergia mexicana

Muhlenbergia paniculata (Schedonnardus paniculatus)

Muhlenbergia racemosa

Muhlenbergia racemosa (Muhlenbergia glomerata)

Muhlenbergia racemosa var. cinnoides (Muhlenbergia glomerata)

Muhlenbergia richardsonis

Muhlenbergia squarrosa (Muhlenbergia richardsonis)

Mulgedium pulchellum

Munroa squarrosa

Musineon divaricatum

Myosotis arvensis

Myosurus apetalus ssp. montanus (Myosurus apetalus var. montanus)

Myosurus apetalus var. borealis

Myosurus apetalus var. montanus

Myosurus aristatus (Myosurus apetalus var. borealis)

Myosurus aristatus (Myosurus apetalus var. montanus)

Myosurus minimus

Myosurus minimus ssp. montanus (Myosurus apetalus var. montanus)

Myosurus minimus var. aristatus (Myosurus apetalus var. borealis)

Myosurus minimus var. aristatus (Myosurus apetalus var. montanus)

Myosurus minimus var. interior (Myosurus minimus)

Myosurus minimus var. lepturus (Myosurus minimus)

Myrica gale

Myriophyllum alterniflorum

Myriophyllum alterniflorum var. americanum (Myriophyllum alterniflorum)

Myriophyllum exalbescens (Myriophyllum sibiricum)

Myriophyllum pinnatum

Myriophyllum sibiricum

Myriophyllum spicatum (Myriophyllum alterniflorum)

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Myriophyllum spicatum (Myriophyllum pinnatum)

Myriophyllum spicatum (Myriophyllum sibiricum)

Myriophyllum spicatum ssp. exalbescens (Myriophyllum sibiricum)

Myriophyllum spicatum var. exalbescens (Myriophyllum sibiricum)

Myriophyllum verticillatum

Myriophyllum verticillatum var. pectinatum (Myriophyllum verticillatum)

Myriophyllum verticillatum var. pinnatifidum (Myriophyllum verticillatum)

Nabalus albus (Prenanthes alba)

Nabalus racemosus (Prenanthes racemosa)

Najas flexilis

Nardosmia vitifolia (Petasites frigidus var. x vitifolius)

Nassella viridula

Nasturtium officinale

Naum-Burgia thyrsiflora (Lysimachia thyrsiflora)

Navarretia leucocephala ssp. minima (Navarretia saximontana)

Navarretia minima (Navarretia saximontana)

Navarretia saximontana

Neoholmgrenia andina

Neottia borealis (Listera borealis)

Neottia cordata (Listera cordata var. cordata)

Nepeta cataria

Neslia paniculata

Nicandra physalodes

Nothocalais cuspidata

Nuphar lutea ssp. variegata (Nuphar variegata)

Nuphar variegata

Nuphar variegatum (Nuphar variegata)

Nuttallanthus texanus

Nymphaea leibergii

Nymphaea loriana

Nymphaea odorata ssp. odorata (Nymphaea loriana)

Nymphaea tetragona

Nymphaea tetragona ssp. leibergii (Nymphaea leibergii)

Nymphaea tetragona ssp. leibergii (Nymphaea tetragona)

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Nymphaea tetragona var. leibergii (Nymphaea leibergii)

Odontites serotina (Odontites vulgaris)

Odontites serotinus (Odontites vulgaris)

Odontites verna ssp. serotina (Odontites vulgaris)

Odontites vulgaris

Oenothera biennis

Oenothera biennis (Oenothera villosa ssp. villosa)

Oenothera biennis var. canescens (Oenothera villosa ssp. villosa)

Oenothera breviflora (Taraxia breviflora)

Oenothera caespitosa ssp. caespitosa

Oenothera caespitosa var. montana (Oenothera caespitosa ssp. caespitosa)

Oenothera cespitosa ssp. cespitosa (Oenothera caespitosa ssp. caespitosa)

Oenothera flava ssp. flava

Oenothera nuttallii

Oenothera parviflora

Oenothera serrulata

Oenothera suffrutescens (Gaura coccinea)

Oenothera villosa ssp. strigosa

Oenothera villosa ssp. villosa

Oenthera andina (Neoholmgrenia andina)

Oglifa arvensis (Logfia arvensis)

Oligoneuron album (Solidago ptarmicoides)

Oligoneuron rigidum var. humilis (Solidago rigida ssp. humilis)

Oligoneuron x lutescens (Solidago x lutescens)

Onobrychis sativa (Onobrychis viciifolia)

Onobrychis viciifolia

Onoclea struthiopteris var. pensylvanica (Matteuccia struthiopteris var. pensylvanica)

Onosmodium bejariense var. occidentale (Onosmodium molle var. occidentale)

Onosmodium molle ssp. occidentale (Onosmodium molle var. occidentale)

Onosmodium molle var. occidentale

Onosmodium occidentale (Onosmodium molle var. occidentale)

Opuntia fragilis var. fragilis

Opuntia polyacantha var. polyacantha

Orchis rotundifolia (Amerorchis rotundifolia)

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Orchis rotundifolia var. lineata (Amerorchis rotundifolia)

Oreocarya celosiodes (Cryptantha celosioides)

Oreocarya glomerata (Cryptantha celosioides)

Oreocarya macounii (Cryptantha spiculifera)

Orobanche corymbosa ssp. mutabilis

Orobanche fasciculata

Orobanche ludoviciana

Orobanche uniflora var. occidentalis

Orthilia secunda

Orthilia secunda var. obtusata (Orthilia secunda)

Orthocarpus luteus

Oryzopsis asperifolia

Oryzopsis canadensis (Piptatherum canadense)

Oryzopsis hymenoides (Achnatherum hymenoides)

Oryzopsis pungens (Piptatherum pungens)

Osmorhiza aristata (Osmorhiza longistylis)

Osmorhiza berteroi

Osmorhiza chilensis (Osmorhiza berteroi)

Osmorhiza chilensis var. cupressimontana (Osmorhiza depauperata)

Osmorhiza depauperata

Osmorhiza divaricata (Osmorhiza berteroi)

Osmorhiza longistylis

Osmorhiza obtusa (Osmorhiza depauperata)

Oxalis corniculata

Oxalis dillenii

Oxalis europaea (Oxalis stricta)

Oxalis repens (Oxalis corniculata)

Oxalis stricta

Oxalis stricta (Oxalis dillenii)

Oxybasis glauca ssp. salina (Chenopodium glaucum var. salinum)

Oxybasis rubra var. humilis (Chenopodium rubrum var. humile)

Oxybasis rubra var. rubra (Chenopodium rubrum var. rubrum)

Oxycoccus intermedius (Vaccinium oxycoccos)

Oxycoccus microcarpus (Vaccinium oxycoccos)

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Oxycoccus ovaliifolius (Vaccinium oxycoccos)

Oxycoccus palustris (Vaccinium oxycoccos)

Oxycoccus quadripetalus (Vaccinium oxycoccos)

Oxytropis besseyi var. besseyi

Oxytropis campestris var. dispar

Oxytropis campestris var. spicata

Oxytropis deflexa ssp. sericea (Oxytropis deflexa var. sericea)

Oxytropis deflexa var. parviflora (Oxytropis deflexa var. sericea)

Oxytropis deflexa var. sericea

Oxytropis dispar (Oxytropis campestris var. dispar)

Oxytropis jordalii (Oxytropis campestris var. dispar)

Oxytropis lambertii var. lambertii

Oxytropis macounii (Oxytropis campestris var. spicata)

Oxytropis monticola (Oxytropis campestris var. spicata)

Oxytropis monticola ssp. dispar (Oxytropis campestris var. dispar)

Oxytropis nana var. besseyi (Oxytropis besseyi var. besseyi)

Oxytropis sericea ssp. spicata (Oxytropis campestris var. spicata)

Oxytropis sericea var. spicata (Oxytropis campestris var. spicata)

Oxytropis splendens

Oxytropis splendens var. richardsonii (Oxytropis splendens)

Packera cana

Packera cana var. eradiatus (Packera cana)

Packera cana var. purshianus (Packera cana)

Packera indecora

Packera pauciflora

Packera paupercula

Packera plattensis

Packera pseudaurea var. pseudaurea

Packera streptanthifolia

Panicum acuminatum var. fasciculatum (Dichanthelium acuminatum var. fasciculatum)

Panicum acuminatum var. implicatum (Dichanthelium acuminatum var. fasciculatum)

Panicum capillare

Panicum capillare var. occidentale (Panicum capillare)

Panicum implicatum (Dichanthelium acuminatum var. fasciculatum)

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Panicum lanuginosum var. fasciculatum (Dichanthelium acuminatum var. fasciculatum)

Panicum lanuginosum var. implicatum (Dichanthelium acuminatum var. fasciculatum)

Panicum leibergii (Dichanthelium leibergii)

Panicum leibergii var. baldwinii (Dichanthelium leibergii)

Panicum leibergii var. baldwinii (Dichanthelium xanthophysum)

Panicum linearifolium (Dichanthelium perlongum)

Panicum miliaceum (Panicum miliaceum ssp. miliaceum)

Panicum miliaceum ssp. miliaceum

Panicum perlongum (Dichanthelium perlongum)

Panicum subvillosum (Dichanthelium acuminatum var. fasciculatum)

Panicum virgatum var. virgatum

Panicum wilcoxianum (Dichanthelium wilcoxianum)

Panicum wilcoxianum var. breitungii (Dichanthelium wilcoxianum)

Panicum xanthophysum (Dichanthelium xanthophysum)

Papaver rhoeas

Papaver somniferum

Parietaria pensylvanica var. pensylvanica

Parnassia americana (Parnassia glauca)

Parnassia glauca

Parnassia kotzebuei

Parnassia kotzebuei var. pumila (Parnassia kotzebuei)

Parnassia multiseta (Parnassia palustris)

Parnassia palustris

Parnassia palustris var. montanensis (Parnassia palustris)

Parnassia palustris var. neogaea (Parnassia palustris)

Parnassia palustris var. parviflora (Parnassia parviflora)

Parnassia palustris var. tenuis (Parnassia palustris)

Parnassia parviflora

Paronychia depressa (Paronychia sessiliflora)

Paronychia sessiliflora

Parthenocissus quinquefolia

Parthenocissus vitacea

Pascopyrum smithii

Pastinaca sativa

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Pastinaca sativa var. pratensis (Pastinaca sativa)

Pedicularis euphrasioides (Pedicularis labradorica)

Pedicularis groenlandica

Pedicularis labradorica

Pedicularis labradorica var. labradorica (Pedicularis labradorica)

Pedicularis lanceolata

Pedicularis macrodonta (Pedicularis parviflora)

Pedicularis parviflora

Pedicularis parviflora var. macrodonta (Pedicularis parviflora)

Pediomelum argophyllum

Pediomelum esculentum

Pellaea atropurpurea (Pellaea gastonyi)

Pellaea canadensis (Pellaea gastonyi)

Pellaea gastonyi

Pellaea glabella ssp. occidentalis

Pellaea glabella ssp. simplex (Pellaea glabella ssp. occidentalis)

Pellaea glabella var. occidentalis (Pellaea glabella ssp. occidentalis)

Pellaea glabella var.nana (Pellaea glabella ssp. occidentalis)

Pellaea occidentalis (Pellaea glabella ssp. occidentalis)

Penstemon albidus

Penstemon confertus

Penstemon gracilis var. gracilis

Penstemon nitidus var. nitidus

Penstemon procerus var. procerus

Pentaphylloides floribunda (Dasiphora fruticosa)

Perideridia gairdneri ssp. borealis

Peritoma serrulata

Persicaria amphibia var. emersa

Persicaria amphibia var. emersum (Persicaria amphibia var. emersa)

Persicaria amphibia var. stipulacea

Persicaria coccinea (Persicaria amphibia var. emersa)

Persicaria coccinea var. emersum (Persicaria amphibia var. emersa)

Persicaria lapathifolia

Persicaria maculosa

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Persicaria punctata

Petalostemon candidum (Dalea candida var. candida)

Petalostemon candidum (Dalea candida var. oligophylla)

Petalostemon candidum var. occidentale (Dalea candida var. oligophylla)

Petalostemon oligophyllus (Dalea candida var. oligophylla)

Petalostemon purpureum var. pubescens (Dalea purpurea var. purpurea)

Petalostemon villosus (Dalea villosa var. villosa)

Petalostemum purpureum (Dalea purpurea var. purpurea)

Petalostemum purpureum var. mollis (Dalea purpurea var. purpurea)

Petasites corymbosus (Petasites frigidus var. nivalis)

Petasites corymbosus (Petasites frigidus var. x vitifolius)

Petasites frigidus (Petasites frigidus var. nivalis)

Petasites frigidus ssp. nivalis (Petasites frigidus var. nivalis)

Petasites frigidus ssp. nivalis (Petasites frigidus var. x vitifolius)

Petasites frigidus var. nivalis

Petasites frigidus var. nivalis (Petasites frigidus var. x vitifolius)

Petasites frigidus var. palmatus

Petasites frigidus var. sagittatus

Petasites frigidus var. vitifolius (Petasites frigidus var. nivalis)

Petasites frigidus var. vitifolius (Petasites frigidus var. x vitifolius)

Petasites frigidus var. x vitifolius

Petasites hyperboreus (Petasites frigidus var. x vitifolius)

Petasites nivalis (Petasites frigidus var. nivalis)

Petasites nivalis (Petasites frigidus var. x vitifolius)

Petasites nivalis ssp. hyperboreus (Petasites frigidus var. nivalis)

Petasites nivalis ssp. hyperboreus (Petasites frigidus var. x vitifolius)

Petasites nivalis ssp. vitifolius (Petasites frigidus var. x vitifolius)

Petasites palmatus (Petasites frigidus var. palmatus)

Petasites sagittatus (Petasites frigidus var. sagittatus)

Petasites trigonophylla (Petasites frigidus var. x vitifolius)

Petasites vitifolius (Petasites frigidus var. nivalis)

Petasites vitifolius (Petasites frigidus var. x vitifolius)

Petasites x vitifolius (Petasites frigidus var. x vitifolius)

Phacelia franklinii

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Phacelia tanacetifolia

Phacelia thermalis

Phalaris arundinacea

Phalaris arundinacea var. picta (Phalaris arundinacea)

Phalaris canariensis

Phedimus aizoon (Sedum aizoon)

Phegopteris connectilis

Phegopteris dryopteris (Gymnocarpium dryopteris)

Phegopteris polypodioides (Phegopteris connectilis)

Phleum alpinum ssp. alpinum

Phleum alpinum var. commutatum (Phleum alpinum ssp. alpinum)

Phleum commutatum (Phleum alpinum ssp. alpinum)

Phleum commutatum var. americanum (Phleum alpinum ssp. alpinum)

Phleum pratense ssp. pratense

Phlox alyssifolia (Phlox alyssifolia ssp. alyssifolia)

Phlox alyssifolia ssp. alyssifolia

Phlox hoodii ssp. hoodii

Phlox pilosa ssp. fulgida

Phlox pilosa var. fulgida (Phlox pilosa ssp. fulgida)

Phragmites australis ssp. americanus

Phragmites communis (Phragmites australis ssp. americanus)

Phragmites communis var. berlandieri (Phragmites australis ssp. americanus)

Physalis grandiflora (Leucophysalis grandiflora)

Physalis heterophylla

Physaria arenosa ssp. arenosa

Physaria spatulata

Physostegia ledinghamii

Physostegia parviflora

Physostegia parviflora (Physostegia ledinghamii)

Physostegia virginiana var. formosior (Physostegia ledinghamii)

Physostegia virginiana var. formosior (Physostegia parviflora)

Physostegia virginiana var. ledinghamii (Physostegia ledinghamii)

Physostegia virginiana var. parviflora (Physostegia parviflora)

Picea glauca

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Picea glauca var. albertiana (Picea glauca)

Picea mariana

Picea pungens

Picradeniopsis oppositifolia

Picris echioides (Helminthotheca echioides)

Pilosella aurantiaca (Hieracium aurantiacum)

Pinguicula macroceras (Pinguicula vulgaris)

Pinguicula villosa

Pinguicula vulgaris

Pinguicula vulgaris var. americana (Pinguicula vulgaris)

Pinus banksiana

Pinus contorta ssp. latifolia (Pinus contorta var. latifolia)

Pinus contorta var. latifolia

Pinus divaricata (Pinus banksiana)

Pinus divaricata var. latifolia (Pinus contorta var. latifolia)

Pinus sylvestris

Piptatheropsis canadensis (Piptatherum canadense)

Piptatheropsis micrantha (Piptatherum micranthum)

Piptatheropsis pungens (Piptatherum pungens)

Piptatherum canadense

Piptatherum micranthum

Piptatherum pungens

Pisum sativum

Plagiobothrys hispidulus (Plagiobothrys scouleri var. hispidulus)

Plagiobothrys leptocladus (Plagiobothrys scouleri var. hispidulus)

Plagiobothrys scopulorum (Plagiobothrys scouleri var. hispidulus)

Plagiobothrys scouleri var. hispidulus

Plantago elongata

Plantago elongata ssp. elongata (Plantago elongata)

Plantago eriopoda

Plantago juncoides (Plantago maritima)

Plantago juncoides var. glauca (Plantago maritima)

Plantago lanceolata

Plantago lanceolata var. sphaerostachya (Plantago lanceolata)

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Plantago major

Plantago major var. asiatica (Plantago major)

Plantago major var. pilgeri (Plantago major)

Plantago maritima

Plantago maritima ssp. juncoides (Plantago maritima)

Plantago maritima var. juncoides (Plantago maritima)

Plantago patagonica

Plantago patagonica var. spinulosa (Plantago patagonica)

Plantago purshii (Plantago patagonica)

Plantago rugelii (Plantago eriopoda)

Plantago spinulosa (Plantago patagonica)

Plantago tweedyi (Plantago eriopoda)

Platanthera aquilonis

Platanthera dilatata var. dilatata

Platanthera hyperborea (Platanthera aquilonis)

Platanthera obtusata

Platanthera orbiculata

Platanthera x media

Poa albescens (Poa fendleriana ssp. fendleriana)

Poa alpina ssp. alpina

Poa ampla (Poa secunda ssp. juncifolia)

Poa annua

Poa arctica ssp. arctica

Poa arctica ssp. longiculmis (Poa arctica ssp. arctica)

Poa arctica ssp. williamsii (Poa arctica ssp. arctica)

Poa arctica var. vivipara (Poa arctica ssp. arctica)

Poa arida

Poa canbyi (Poa secunda ssp. secunda)

Poa compressa

Poa cusickii ssp. pallida

Poa fendleriana ssp. fendleriana

Poa glauca ssp. glauca

Poa glauca ssp. glaucantha (Poa glauca ssp. glauca)

Poa glauca var. glauca (Poa glauca ssp. glauca)

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Poa glaucantha (Poa glauca ssp. glauca)

Poa glaucifolia (Poa arida)

Poa interior

Poa longipila (Poa arctica ssp. arctica)

Poa nascopieana (Poa glauca ssp. glauca)

Poa nemoralis ssp. interior (Poa interior)

Poa nemoralis var. interior (Poa interior)

Poa palustris

Poa pratensis

Poa sandbergii (Poa secunda ssp. secunda)

Poa secunda ssp. juncifolia

Poa secunda ssp. secunda

Poa stenantha (Poa arida)

Poa stenantha (Poa fendleriana ssp. fendleriana)

Poa trivialis

Poa trivialis ssp. trivialis (Poa trivialis)

Polanisia dodecandra ssp. dodecandra

Polanisia dodecandra ssp. trachysperma

Polanisia dodecandra var. dodecandra (Polanisia dodecandra ssp. dodecandra)

Polygala alba

Polygala alba var. suspecta (Polygala alba)

Polygala paucifolia

Polygala senega

Polygala senega var. latifolia (Polygala senega)

Polygala senega var. senega (Polygala senega)

Polygala verticillata

Polygala verticillata var. isocycla (Polygala verticillata)

Polygala verticillata var. sphenostachya (Polygala verticillata)

Polygaloides paucifolia (Polygala paucifolia)

Polygonatum biflorum (Polygonatum biflorum var. commutatum)

Polygonatum biflorum var. commutatum

Polygonatum canaliculatum (Polygonatum biflorum var. commutatum)

Polygonatum commutatum (Polygonatum biflorum var. commutatum)

Polygonum achoreum

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Polygonum amphibia var. natans (Persicaria amphibia var. stipulacea)

Polygonum amphibium var. coccineum (Persicaria amphibia var. emersa)

Polygonum amphibium var. emersum (Persicaria amphibia var. emersa)

Polygonum amphibium var. stipulacea (Persicaria amphibia var. stipulacea)

Polygonum amphibium var. stipulaceum (Persicaria amphibia var. stipulacea)

Polygonum arenastrum (Polygonum aviculare ssp. depressum)

Polygonum aviculare ssp. aviculare

Polygonum aviculare ssp. buxiforme

Polygonum aviculare ssp. depressum

Polygonum aviculare ssp. neglectum

Polygonum aviculare ssp. rurivagum

Polygonum aviculare var. erectum (Polygonum erectum)

Polygonum buxiforme (Polygonum aviculare ssp. buxiforme)

Polygonum cilinode (Fallopia cilinodis)

Polygonum coccineum (Persicaria amphibia var. emersa)

Polygonum coccineum var. pratincola (Persicaria amphibia var. emersa)

Polygonum coccineum var. terrestre (Persicaria amphibia var. emersa)

Polygonum confertiflorum (Polygonum polygaloides ssp. confertiflorum)

Polygonum convolvulus (Fallopia convolvulus)

Polygonum douglasii ssp. douglasii

Polygonum douglasii ssp. johnstonii (Polygonum sawatchense ssp. sawatchense)

Polygonum douglasii var. latifolium (Polygonum douglasii ssp. douglasii)

Polygonum erectum

Polygonum erectum (Polygonum achoreum)

Polygonum erectum ssp. achoreum (Polygonum achoreum)

Polygonum exsertum (Polygonum ramosissimum var. ramosissimum)

Polygonum fagopyrum (Fagopyrum esculentum)

Polygonum fluitans (Persicaria amphibia var. stipulacea)

Polygonum hartwrightii (Persicaria amphibia var. stipulacea)

Polygonum lapathifolia var. salicifolium (Persicaria lapathifolia)

Polygonum lapathifolium (Persicaria lapathifolia)

Polygonum natans (Persicaria amphibia var. stipulacea)

Polygonum neglectum (Polygonum aviculare ssp. neglectum)

Polygonum persicaria (Persicaria lapathifolia)

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Polygonum persicaria (Persicaria maculosa)

Polygonum persicaria var. ruderale (Persicaria maculosa)

Polygonum polygaloides ssp. confertiflorum

Polygonum prolificum (Polygonum ramosissimum var. prolificum)

Polygonum punctatum (Persicaria punctata)

Polygonum punctatum var. confertiflorum (Persicaria punctata)

Polygonum punctatum var. leptostachyum (Persicaria punctata)

Polygonum ramosissimum ssp. ramosissimum (Polygonum ramosissimum var. ramosissimum)

Polygonum ramosissimum var. prolificum

Polygonum ramosissimum var. ramosissimum

Polygonum sawatchense ssp. sawatchense

Polygonum scabrum (Persicaria lapathifolia)

Polygonum scandens (Fallopia scandens)

Polygonum tataricum (Fagopyrum tataricum)

Polygonum viviparum (Bistorta vivipara)

Polygonum watsonii (Polygonum polygaloides ssp. confertiflorum)

Polypodium sibiricum

Polypodium virginianum

Polypodium virginianum (Polypodium sibiricum)

Polypodium vulgare (Polypodium sibiricum)

Polypodium vulgare (Polypodium virginianum)

Polypodium vulgare var. virginianum (Polypodium virginianum)

Polypogon monspeliensis

Populus angustifolia

Populus angustifolia X (Populus x brayshawii)

Populus balsamifera (Populus balsamifera ssp. balsamifera)

Populus balsamifera ssp. balsamifera

Populus balsamifera var. angustifolia (Populus angustifolia)

Populus balsamifera var. candicans (Populus balsamifera ssp. balsamifera)

Populus balsamifera var. fernaldiana (Populus balsamifera ssp. balsamifera)

Populus balsamifera var. lanceolata (Populus balsamifera ssp. balsamifera)

Populus balsamifera var. subcordata (Populus balsamifera ssp. balsamifera)

Populus candicans (Populus balsamifera ssp. balsamifera)

Populus deltoides ssp. monilifera

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Populus deltoides var. occidentalis (Populus deltoides ssp. monilifera)

Populus sargentii (Populus deltoides ssp. monilifera)

Populus tacamahaca (Populus balsamifera ssp. balsamifera)

Populus tremuloides

Populus tremuloides var. aurea (Populus tremuloides)

Populus x andrewsii (Populus x jackii)

Populus x bernardii (Populus x jackii)

Populus x brayshawii

Populus x dutillyi (Populus x jackii)

Populus x gileadensis (Populus x jackii)

Populus x jackii

Portulaca oleracea

Potamogeton alpinus

Potamogeton alpinus ssp. tenuifolius (Potamogeton alpinus)

Potamogeton alpinus var. subellipticus (Potamogeton alpinus)

Potamogeton alpinus var. tenuifolius (Potamogeton alpinus)

Potamogeton amplifolius

Potamogeton berchtoldii (Potamogeton pusillus ssp. tenuissimus)

Potamogeton berchtoldii var. acuminatus (Potamogeton pusillus ssp. tenuissimus)

Potamogeton crispus

Potamogeton epihydrus

Potamogeton epihydrus ssp. nuttallii (Potamogeton epihydrus)

Potamogeton epihydrus var. ramosus (Potamogeton epihydrus)

Potamogeton filiformis var. alpinus (Stuckenia filiformis ssp. alpina)

Potamogeton filiformis var. occidentalis (Stuckenia filiformis ssp. occidentalis)

Potamogeton foliosus ssp. foliosus

Potamogeton foliosus var. foliosus (Potamogeton foliosus ssp. foliosus)

Potamogeton foliosus var. macellus (Potamogeton foliosus ssp. foliosus)

Potamogeton friesii

Potamogeton gramineus

Potamogeton gramineus var. graminifolius (Potamogeton gramineus)

Potamogeton gramineus var. maximus (Potamogeton gramineus)

Potamogeton natans

Potamogeton nodosus

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Potamogeton obtusifolius

Potamogeton pectinatus (Stuckenia pectinata)

Potamogeton perfoliatus ssp. richardsonii (Potamogeton richardsonii)

Potamogeton perfoliatus var. richardsonii (Potamogeton richardsonii)

Potamogeton praelongus

Potamogeton pusillus ssp. pusillus

Potamogeton pusillus ssp. tenuissimus

Potamogeton pusillus var. pseudorutilus (Potamogeton strictifolius)

Potamogeton pusillus var. rutiloides (Potamogeton strictifolius)

Potamogeton pusillus var. tenuissimus (Potamogeton pusillus ssp. tenuissimus)

Potamogeton pusillus var.mucronatus (Potamogeton pusillus ssp. tenuissimus)

Potamogeton richardsonii

Potamogeton robbinsii

Potamogeton strictifolius

Potamogeton strictifolius var. rutiloides (Potamogeton strictifolius)

Potamogeton vaginatus (Stuckenia vaginata)

Potamogeton zosteriformis

Potamogeton zosteriformis ssp. zosteriformis (Potamogeton zosteriformis)

Potamogeton zosteriformis var. americanus (Potamogeton zosteriformis)

Potentilla anserina ssp. anserina

Potentilla anserina ssp. yukonensis

Potentilla anserina var. sericea (Potentilla anserina ssp. anserina)

Potentilla arenosa (Potentilla nivea)

Potentilla arenosa ssp. arenosa

Potentilla arenosa ssp. chamissonis

Potentilla argentea

Potentilla arguta (Drymocallis arguta)

Potentilla arguta ssp. arguta (Drymocallis arguta)

Potentilla argyrea (Potentilla hippiana)

Potentilla biennis

Potentilla bimundorum

Potentilla bipinnatifida

Potentilla chamissonis (Potentilla arenosa ssp. chamissonis)

Potentilla concinna var. concinna

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Potentilla concinna var. dissecta (Potentilla concinna var. divisa)

Potentilla concinna var. divisa

Potentilla diversifolia ssp. glaucophylla (Potentilla glaucophylla var. glaucophylla)

Potentilla diversifolia var. ranunculus (Potentilla glaucophylla var. glaucophylla)

Potentilla effusa var. effusa

Potentilla finitima (Potentilla lasiodonta)

Potentilla flabelliformis (Potentilla gracilis var. flabelliformis)

Potentilla fruticosa (Dasiphora fruticosa)

Potentilla fruticosa ssp. floribunda (Dasiphora fruticosa)

Potentilla glaucophylla var. glaucophylla

Potentilla gracilis ssp. nuttallii (Potentilla gracilis var. fastigiata)

Potentilla gracilis var. brunnescens (Potentilla gracilis var. fastigiata)

Potentilla gracilis var. fastigiata

Potentilla gracilis var. flabelliformis

Potentilla gracilis var. glabrata (Potentilla gracilis var. fastigiata)

Potentilla gracilis var. nuttallii (Potentilla gracilis var. fastigiata)

Potentilla gracilis var. pulcherrima (Potentilla pulcherrima)

Potentilla gracilis var. rigida (Potentilla gracilis var. fastigiata)

Potentilla hippiana

Potentilla hippiana var. argyrea (Potentilla hippiana)

Potentilla hippiana var. effusa (Potentilla effusa var. effusa)

Potentilla hippiana var. filicaulis (Potentilla effusa var. effusa)

Potentilla hookeriana (Potentilla arenosa ssp. arenosa)

Potentilla hookeriana (Potentilla rubricaulis)

Potentilla hookeriana ssp. chamissonis (Potentilla arenosa ssp. chamissonis)

Potentilla hudsonii

Potentilla lasiodonta

Potentilla litoralis

Potentilla multifida (Potentilla bimundorum)

Potentilla nicolletii (Potentilla supina ssp. paradoxa)

Potentilla nivea

Potentilla nivea (Potentilla arenosa ssp. arenosa)

Potentilla nivea ssp. chamissonis (Potentilla arenosa ssp. chamissonis)

Potentilla nivea ssp. hookeriana (Potentilla arenosa ssp. arenosa)

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Potentilla nivea ssp. subquinata (Potentilla rubricaulis)

Potentilla nivea var. pentaphylla (Potentilla rubricaulis)

Potentilla norvegica

Potentilla norvegica ssp. monspeliensis (Potentilla norvegica)

Potentilla palustris (Comarum palustre)

Potentilla palustris var. parvifolia (Comarum palustre)

Potentilla palustris var. villosa (Comarum palustre)

Potentilla paradoxa (Potentilla supina ssp. paradoxa)

Potentilla pectinata (Potentilla litoralis)

Potentilla pensylvanica

Potentilla pensylvanica var. arida (Potentilla pensylvanica)

Potentilla pensylvanica var. atrovirens (Potentilla pensylvanica)

Potentilla pensylvanica var. bipinnatifida (Potentilla bipinnatifida)

Potentilla pensylvanica var. glabrata (Potentilla litoralis)

Potentilla pensylvanica var. litoralis (Potentilla litoralis)

Potentilla pensylvanica var. pectinata (Potentilla litoralis)

Potentilla plattensis

Potentilla pulcherrima

Potentilla quinquefolia (Potentilla rubricaulis)

Potentilla recta

Potentilla recta var. obscura (Potentilla recta)

Potentilla recta var. sulphurea (Potentilla recta)

Potentilla rivalis

Potentilla rivalis var. pentandra (Potentilla rivalis)

Potentilla rivalis var. rivalis (Potentilla rivalis)

Potentilla rubricaulis

Potentilla supina ssp. paradoxa

Potentilla tridentata (Sibbaldiopsis tridentata)

Prenanthes alba

Prenanthes racemosa

Prenanthes racemosa ssp. multiflora (Prenanthes racemosa)

Prenanthes racemosa ssp. racemosa (Prenanthes racemosa)

Prenanthes racemosa var. pinnatifida (Prenanthes racemosa)

Primula conjugens var. viscida (Dodecatheon conjugens var. viscidum)

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Primula frigida

Primula frigida (Primula frigida)

Primula incana

Primula mistassinica

Primula mistassinica var. intercedens (Primula mistassinica)

Primula pauciflora var. pauciflora (Dodecatheon pulchellum ssp. pulchellum)

Primula stricta

Proboscidea louisianica ssp. louisianica

Prosartes trachycarpa

Prunella vulgaris ssp. lanceolata

Prunella vulgaris ssp. vulgaris

Prunella vulgaris var. elongata (Prunella vulgaris ssp. lanceolata)

Prunella vulgaris var. lanceolata (Prunella vulgaris ssp. lanceolata)

Prunus americana

Prunus besseyi (Prunus pumila var. besseyi)

Prunus melanocarpa (Prunus virginiana var. virginiana)

Prunus pensylvanica

Prunus pumila ssp. besseyi (Prunus pumila var. besseyi)

Prunus pumila var. besseyi

Prunus tomentosa

Prunus virginiana var. melanocarpa (Prunus virginiana var. virginiana)

Prunus virginiana var. virginiana

Psathyrostachys juncea

Pseudognaphalium macounii

Pseudoroegneria spicata

Psilocarphus brevissimus var. brevissimus

Psilocarphus elatior (Psilocarphus brevissimus var. brevissimus)

Psoralea argophylla (Pediomelum argophyllum)

Psoralea esculenta (Pediomelum esculentum)

Psoralea lanceolata (Psoralidium lanceolatum)

Psoralidium agrophylla (Pediomelum argophyllum)

Psoralidium lanceolatum

Pteretis pensylvanica (Matteuccia struthiopteris var. pensylvanica)

Pterospora andromedea

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Puccinellia distans ssp. distans

Puccinellia distans ssp. hauptiana

Puccinellia fernaldii (Torreyochloa pallida var. fernaldii)

Puccinellia hauptiana (Puccinellia distans ssp. hauptiana)

Puccinellia lemmonii (Puccinellia nuttalliana)

Puccinellia nuttalliana

Pulsatilla ludoviciana (Anemone patens var. multifida)

Pulsatilla nuttalliana (Anemone patens var. multifida)

Pulsatilla patens ssp. multifida (Anemone patens var. multifida)

Pyrethrum major (Tanacetum balsamita)

Pyrola asarifolia ssp. asarifolia

Pyrola asarifolia var. incarnata (Pyrola asarifolia ssp. asarifolia)

Pyrola asarifolia var. purpurea (Pyrola asarifolia ssp. asarifolia)

Pyrola chlorantha

Pyrola chlorantha var. convoluta (Pyrola chlorantha)

Pyrola elliptica

Pyrola grandiflora

Pyrola grandiflora var. canadensis (Pyrola grandiflora)

Pyrola minor

Pyrola minor var. parviflora (Pyrola minor)

Pyrola rotundifolia (Pyrola grandiflora)

Pyrola secunda (Orthilia secunda)

Pyrola secunda var. obtusata (Orthilia secunda)

Pyrola uniflora (Moneses uniflora)

Pyrola virens (Pyrola chlorantha)

Pyrola virens var. convoluta (Pyrola chlorantha)

Pyrola virens var. saximontana (Pyrola chlorantha)

Pyrrocoma lanceolata var. lanceolata

Pyrus americana var. decora (Sorbus decora)

Pyrus aucuparia (Sorbus aucuparia)

Pyrus decora (Sorbus decora)

Quercus macrocarpa

Quercus macrocarpa var. depressa (Quercus macrocarpa)

Quercus macrocarpa var. macrocarpa (Quercus macrocarpa)

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Quercus mandanensis (Quercus macrocarpa)

Ranunculus abortivus

Ranunculus abortivus var. acrolasius (Ranunculus abortivus)

Ranunculus abortivus var. indivisus (Ranunculus abortivus)

Ranunculus acris

Ranunculus affinis (Ranunculus pedatifidus var. affinis)

Ranunculus affinis var. cardiophyllus (Ranunculus cardiophyllus)

Ranunculus affinis var. leiocarpa (Ranunculus pedatifidus var. affinis)

Ranunculus apetalus (Ranunculus pedatifidus var. affinis)

Ranunculus aquatilis var. capillaceus (Ranunculus aquatilis var. diffusus)

Ranunculus aquatilis var. diffusus

Ranunculus aquatilis var. eradicatus (Ranunculus aquatilis var. diffusus)

Ranunculus aquatilis var. hispidulus (Ranunculus aquatilis var. diffusus)

Ranunculus aquatilis var. longirostris (Ranunculus aquatilis var. diffusus)

Ranunculus aquatilis var. trichophyllus (Ranunculus aquatilis var. diffusus)

Ranunculus arcticus (Ranunculus pedatifidus var. affinis)

Ranunculus cardiophyllus

Ranunculus circinatus (Ranunculus aquatilis var. diffusus)

Ranunculus cymbalaria

Ranunculus cymbalaria var. saximontanus (Ranunculus cymbalaria)

Ranunculus filiformis (Ranunculus flammula var. reptans)

Ranunculus flammula var. ovalis

Ranunculus flammula var. reptans

Ranunculus glaberrimus var. ellipticus

Ranunculus gmelinii

Ranunculus gmelinii var. hookeri (Ranunculus gmelinii)

Ranunculus gmelinii var. limosus (Ranunculus gmelinii)

Ranunculus gmelinii var. purshii (Ranunculus gmelinii)

Ranunculus hyperboreus

Ranunculus hyperboreus var. intertextus (Ranunculus hyperboreus)

Ranunculus inamoenus var. elatior (Ranunculus inamoenus var. inamoenus)

Ranunculus inamoenus var. inamoenus

Ranunculus lapponicus

Ranunculus longirostris (Ranunculus aquatilis var. diffusus)

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Ranunculus macounii

Ranunculus micranthus (Ranunculus abortivus)

Ranunculus ovalis (Ranunculus rhomboideus)

Ranunculus pedatifidus var. affinis

Ranunculus pedatifidus var. leiocarpus (Ranunculus pedatifidus var. affinis)

Ranunculus pensylvanicus

Ranunculus petatifidus var. cardiophyllus (Ranunculus cardiophyllus)

Ranunculus reptans (Ranunculus flammula var. reptans)

Ranunculus reptans var. filiformis (Ranunculus flammula var. reptans)

Ranunculus reptans var. ovalis (Ranunculus flammula var. ovalis)

Ranunculus rhomboideus

Ranunculus sceleratus var. multifidus

Ranunculus sceleratus var. sceleratus

Ranunculus testiculatus

Ranunculus trichophyllus (Ranunculus aquatilis var. diffusus)

Ranunculus trichophyllus ssp. eradicatus (Ranunculus aquatilis var. diffusus)

Raphanus raphanistrum ssp. raphanistrum

Raphanus sativus

Rapistrum perenne

Ratibida columnaris (Ratibida columnifera)

Ratibida columnifera

Ratibida columnifera var. pulcherrima (Ratibida columnifera)

Reseda alba

Reseda lutea

Rhamnus alnifolia

Rhamnus cathartica

Rhamnus frangula (Frangula alnus)

Rhaponticum repens (Acroptilon repens)

Rheum rhabarbarum

Rheum rhaponticum (Rheum rhabarbarum)

Rhinanthus borealis ssp. kyrolliae (Rhinanthus minor ssp. minor)

Rhinanthus crista-galli (Rhinanthus minor ssp. minor)

Rhinanthus minor ssp. minor

Rhododendron groenlandicum

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Rhododendron tomentosum

Rhus aromatica var. aromatica

Rhus aromatica var. trilobata (Rhus aromatica var. aromatica)

Rhus glabra

Rhus radicans var. rydbergii (Toxicodendron rydbergii)

Rhus trilobata (Rhus aromatica var. aromatica)

Rhynchospora alba

Rhynchospora alba var. fusca (Rhynchospora fusca)

Rhynchospora capillacea

Rhynchospora fusca

Ribes americanum

Ribes aureum var. aureum

Ribes floridum (Ribes americanum)

Ribes glandulosum

Ribes hirtellum

Ribes hirtellum var. saxosum (Ribes hirtellum)

Ribes hudsonianum

Ribes hudsonianum var. petiolare (Ribes hudsonianum)

Ribes lacustre

Ribes odoratum (Ribes aureum var. aureum)

Ribes oxyacanthoides ssp. oxyacanthoides (Ribes oxyacanthoides var. oxyacanthoides)

Ribes oxyacanthoides ssp. setosum (Ribes oxyacanthoides var. setosum)

Ribes oxyacanthoides var. hirtellum (Ribes hirtellum)

Ribes oxyacanthoides var. oxyacanthoides

Ribes oxyacanthoides var. setosum

Ribes oxycanthoides var. saxosum (Ribes hirtellum)

Ribes recurvatum (Ribes americanum)

Ribes rubrum

Ribes Rubrum var. propinquum (Ribes rubrum)

Ribes Rubrum var. propinquum (Ribes triste)

Ribes saxosum (Ribes hirtellum)

Ribes setosum (Ribes oxyacanthoides var. setosum)

Ribes triste

Ribes triste (Ribes rubrum)

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Rorippa austriaca

Rorippa barbareifolia

Rorippa curvipes

Rorippa curvipes var. truncata (Rorippa curvipes)

Rorippa curvisiliqua (Rorippa curvipes)

Rorippa curvisiliqua var. lyrata (Rorippa curvipes)

Rorippa hispida (Rorippa palustris ssp. hispida)

Rorippa islandica (Rorippa palustris ssp. hispida)

Rorippa islandica (Rorippa palustris ssp. palustris)

Rorippa islandica var. hispida (Rorippa palustris ssp. hispida)

Rorippa nasturtium-aquaticum (Nasturtium officinale)

Rorippa obtusa (Rorippa tenerrima)

Rorippa palustris ssp. hispida

Rorippa palustris ssp. palustris

Rorippa palustris var. elongata (Rorippa palustris ssp. hispida)

Rorippa palustris var. hispida (Rorippa palustris ssp. hispida)

Rorippa sinuata

Rorippa sylvestris

Rorippa tenerrima

Rorippa truncata (Rorippa curvipes)

Rosa acicularis (Rosa acicularis ssp. sayi)

Rosa acicularis ssp. sayi

Rosa acicularis var. bourgeauiana (Rosa acicularis ssp. sayi)

Rosa arkansana

Rosa arkansana var. arkansana (Rosa arkansana)

Rosa arkansana var. suffulta (Rosa arkansana)

Rosa blanda

Rosa blanda var. blanda (Rosa blanda)

Rosa bourgeauiana (Rosa acicularis ssp. sayi)

Rosa fendleri (Rosa woodsii var. woodsii)

Rosa sayi (Rosa acicularis ssp. sayi)

Rosa subblanda (Rosa blanda)

Rosa terrens (Rosa woodsii var. woodsii)

Rosa woodsii var. fendleri (Rosa woodsii var. woodsii)

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Rosa Woodsii var. macounii (Rosa woodsii var. woodsii)

Rosa woodsii var. terrens (Rosa woodsii var. woodsii)

Rosa woodsii var. woodsii

Rosa x dulcissima

Rubus acaulis (Rubus arcticus ssp. acaulis)

Rubus arcticus (Rubus arcticus ssp. acaulis)

Rubus arcticus (Rubus x paracaulis)

Rubus arcticus ssp. acaulis

Rubus chamaemorus

Rubus idaeus ssp. melanolasius (Rubus idaeus ssp. strigosus)

Rubus idaeus ssp. strigosus

Rubus idaeus var. aculeatissimus (Rubus idaeus ssp. strigosus)

Rubus idaeus var. canadensis (Rubus idaeus ssp. strigosus)

Rubus idaeus var. sachalinensis (Rubus idaeus ssp. strigosus)

Rubus idaeus var. strigosus (Rubus idaeus ssp. strigosus)

Rubus parviflorus

Rubus pubescens

Rubus pubescens var. paracaulis (Rubus x paracaulis)

Rubus strigosus (Rubus idaeus ssp. strigosus)

Rubus x paracaulis

Rudbeckia hirta var. lanceolata (Rudbeckia hirta var. pulcherrima)

Rudbeckia hirta var. pulcherimma (Rudbeckia hirta var. pulcherrima)

Rudbeckia hirta var. pulcherrima

Rudbeckia hirta var. serotina (Rudbeckia hirta var. pulcherrima)

Rudbeckia laciniata var. laciniata

Rudbeckia serotina (Rudbeckia hirta var. pulcherrima)

Rudbeckia serotina var. lanceolata (Rudbeckia hirta var. pulcherrima)

Rudbeckia serotina var. sericea (Rudbeckia hirta var. pulcherrima)

Rumex acetosa

Rumex acetosella

Rumex aquaticus ssp. occidentalis (Rumex occidentalis)

Rumex aquaticus var. fenestratus (Rumex occidentalis)

Rumex britannica

Rumex crispus

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Rumex domesticus (Rumex longifolius)

Rumex fenestratus (Rumex occidentalis)

Rumex fennicus (Rumex pseudonatronatus)

Rumex fueginus

Rumex longifolius

Rumex maritimus (Rumex fueginus)

Rumex maritimus ssp. fueginus (Rumex fueginus)

Rumex maritimus var. fueginus (Rumex fueginus)

Rumex obtusifolius (Rumex stenophyllus)

Rumex occidentalis

Rumex occidentalis var. fenestratus (Rumex occidentalis)

Rumex orbiculatus (Rumex britannica)

Rumex orbiculatus var. borealis (Rumex britannica)

Rumex pseudonatronatus

Rumex pseudonatronatus ssp. fennicus (Rumex pseudonatronatus)

Rumex pseudonatronatus x occidentalis (Rumex x franktonis)

Rumex salicifolius ssp. triangulivalvis (Rumex triangulivalvis)

Rumex salicifolius var. triangulivalvis (Rumex triangulivalvis)

Rumex stenophyllus

Rumex triangulivalvis

Rumex venosus

Rumex x alexidis

Rumex x franktonis

Ruppia cirrhosa

Ruppia cirrhosa (Ruppia maritima)

Ruppia maritima

Ruppia maritima var. occidentalis (Ruppia cirrhosa)

Ruppia maritima var. occidentalis (Ruppia maritima)

Ruppia maritima var. rostrata (Ruppia maritima)

Ruppia maritima var. spiralis (Ruppia cirrhosa)

Ruppia occidentalis (Ruppia cirrhosa)

Ruppia occidentalis (Ruppia maritima)

Ruppia spiralis (Ruppia cirrhosa)

S. brachycarpa var. psammophila X S. turnorii (Salix x brachypurpurea)

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Sabulina dawsonensis (Minuartia dawsonensis)

Sabulina rubella (Minuartia rubella)

Sagina decumbens ssp. decumbens

Sagina nodosa ssp. borealis

Sagina nodosa var. borealis (Sagina nodosa ssp. borealis)

Sagittaria cuneata

Sagittaria latifolia (Sagittaria latifolia var. latifolia)

Sagittaria latifolia var. latifolia

Salicornia europaea ssp. rubra (Salicornia rubra)

Salicornia europaea var. prona (Salicornia rubra)

Salicornia rubra

Salix alaxensis var. silicicola (Salix silicicola)

Salix alba

Salix amygdaloides

Salix arbusculoides

Salix arctophila

Salix arctophila var. leiocarpa (Salix arctophila)

Salix athabascensis

Salix balsamifera (Salix pyrifolia)

Salix barclayi (Salix pseudomonticola)

Salix barclayi var. pseudomonticola (Salix pseudomonticola)

Salix bebbiana

Salix bebbiana var. perrostrata (Salix bebbiana)

Salix boothii

Salix brachycarpa var. brachycarpa

Salix brachycarpa var. psammophila

Salix candida

Salix candida var. tomentosa (Salix candida)

Salix caudata (Salix lasiandra var. caudata)

Salix commutata

Salix discolor

Salix discolor var. latifolia (Salix scouleriana)

Salix eriocephala var. famelica (Salix famelica)

Salix exigua ssp. interior (Salix interior)

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Salix famelica

Salix fluviatilis var. sericans (Salix interior)

Salix glauca ssp. glabrescens (Salix glauca var. villosa)

Salix glauca var. villosa

Salix humilis (Salix scouleriana)

Salix interior

Salix lasiandra var. caudata

Salix lasiandra var. lancifolia (Salix lasiandra var. lasiandra)

Salix lasiandra var. lasiandra

Salix lasiandra var. lyallii (Salix lasiandra var. lasiandra)

Salix lucida

Salix lucida ssp. caudata (Salix lasiandra var. caudata)

Salix lucida ssp. lasiandra (Salix lasiandra var. lasiandra)

Salix lucida var. serissima (Salix serissima)

Salix lutea (Salix famelica)

Salix lutea var. turnori (Salix turnorii)

Salix maccalliana

Salix mackenzieana (Salix turnorii)

Salix monticola (Salix pseudomonticola)

Salix myrtillifolia

Salix myrtillifolia var. cordata (Salix pseudomyrsinites)

Salix myrtillifolia var. pseudomyrsinites (Salix pseudomyrsinites)

Salix myrtilloides var. pedicellaris (Salix pedicellaris)

Salix novae-angliae (Salix pseudomyrsinites)

Salix padophylla (Salix pseudomonticola)

Salix pedicellaris

Salix pedicellaris var. hypoglauca (Salix pedicellaris)

Salix pedicellaris var. tenuescens (Salix pedicellaris)

Salix pellita

Salix petiolaris

Salix petiolaris var. gracilis (Salix petiolaris)

Salix petiolaris var. subsericea (Salix petiolaris)

Salix phylicifolia var. planifolia (Salix planifolia ssp. planifolia)

Salix planifolia ssp. planifolia

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Salix planifolia ssp. tyrrellii

Salix planifolia var. nelsonii (Salix planifolia ssp. planifolia)

Salix pseudocordata (Salix myrtillifolia)

Salix pseudomonticola

Salix pseudomyrsinites

Salix pyrifolia

Salix reticulata

Salix rigida (Salix famelica)

Salix rostrata (Salix bebbiana)

Salix scouleriana

Salix serissima

Salix silicicola

Salix turnorii

Salix tyrrellii (Salix planifolia ssp. tyrrellii)

Salix x brachypurpurea

Salix x ehrhartiana (Salix x jesupii)

Salix x fragilis

Salix x jesupii

Salix x pedunculata

Salsola collina

Salsola iberica (Salsola kali)

Salsola iberica (Salsola tragus)

Salsola kali

Salsola kali (Salsola tragus)

Salsola kali ssp. tenuifolia (Salsola kali)

Salsola kali ssp. tenuifolia (Salsola tragus)

Salsola kali ssp. tragus (Salsola kali)

Salsola kali ssp. tragus (Salsola tragus)

Salsola kali var. tenuifolia (Salsola kali)

Salsola kali var. tenuifolia (Salsola tragus)

Salsola pestifer (Salsola kali)

Salsola pestifer (Salsola tragus)

Salsola tragus

Salsola tragus (Salsola kali)

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Salvia reflexa

Sambucus racemosa ssp. pubens

Sambucus racemosa var. pubens (Sambucus racemosa ssp. pubens)

Sambucus racemosa var. racemosa (Sambucus racemosa ssp. pubens)

Samolus floribundus (Samolus parviflorus)

Samolus parviflorus

Samolus valerandi ssp. parviflorus (Samolus parviflorus)

Sanicula marilandica

Saponaria officinalis

Saponaria vaccaria (Vaccaria hispanica)

Sarcobatus vermiculatus

Sarracenia purpurea ssp. gibbosa

Sarracenia purpurea ssp. heterophylla (Sarracenia purpurea ssp. gibbosa)

Sarracenia purpurea ssp. purpurea (Sarracenia purpurea ssp. gibbosa)

Saxifraga occidentalis (Micranthes occidentalis)

Saxifraga pensylvanica (Micranthes pensylvanica)

Saxifraga rhomboidea (Micranthes occidentalis)

Saxifraga saximontana (Micranthes occidentalis)

Saxifraga tricuspidata

Scandix pecten-veneris

Sceptridium multifidum

Schedonnardus paniculatus

Schedonorus pratensis

Scheuchzeria americana (Scheuchzeria palustris)

Scheuchzeria palustris

Scheuchzeria palustris ssp. americana (Scheuchzeria palustris)

Schizachne purpurascens

Schizachyrium scoparium var. scoparium

Schoenoplectus acutus var. acutus

Schoenoplectus americanus (Schoenoplectus pungens)

Schoenoplectus americanus var. polyphyllus (Schoenoplectus pungens)

Schoenoplectus fluviatilis (Bolboschoenus fluviatilis)

Schoenoplectus pungens

Schoenoplectus pungens var. longispicatus (Schoenoplectus pungens)

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Schoenoplectus pungens var. pungens (Schoenoplectus pungens)

Schoenoplectus subterminalis

Schoenoplectus tabernaemontani

Scirpus acutus (Schoenoplectus acutus var. acutus)

Scirpus atrocinctus

Scirpus atrovirens var. pallidus (Scirpus pallidus)

Scirpus cespitosus var. callosus (Trichophorum cespitosum)

Scirpus clintonii (Trichophorum clintonii)

Scirpus cyperinus (Scirpus atrocinctus)

Scirpus cyperinus var. brachypodus (Scirpus atrocinctus)

Scirpus fluviatilis (Bolboschoenus fluviatilis)

Scirpus hudsonianus (Trichophorum alpinum)

Scirpus lacustris ssp. acutus (Schoenoplectus acutus var. acutus)

Scirpus lacustris ssp. glaucus (Schoenoplectus acutus var. acutus)

Scirpus lacustris var. occidentalis (Schoenoplectus acutus var. acutus)

Scirpus maritimus var. paludosus (Bolboschoenus maritimus ssp. paludosus)

Scirpus microcarpus

Scirpus microcarpus var. confertus (Scirpus microcarpus)

Scirpus microcarpus var. rubrocinctus (Scirpus microcarpus)

Scirpus nevadensis (Amphiscirpus nevadensis)

Scirpus pallidus

Scirpus paludosus (Bolboschoenus maritimus ssp. paludosus)

Scirpus pauciflorus (Eleocharis quinqueflora)

Scirpus pumilus (Trichophorum pumilum)

Scirpus pumilus ssp. rollandii (Trichophorum pumilum)

Scirpus pumilus var. rollandii (Trichophorum pumilum)

Scirpus pungens (Schoenoplectus pungens)

Scirpus quinqueflorus (Eleocharis quinqueflora)

Scirpus rollandii (Trichophorum pumilum)

Scirpus rubrocinctus (Scirpus microcarpus)

Scirpus rufus (Blysmopsis rufa)

Scirpus subterminalis (Schoenoplectus subterminalis)

Scirpus subterminalis var. fulgida (Schoenoplectus subterminalis)

Scirpus tabernaemontani (Schoenoplectus tabernaemontani)

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Scirpus validus (Schoenoplectus tabernaemontani)

Scleranthus annuus ssp. annuus

Scolochloa festucacea

Scrophularia lanceolata

Scutellaria epilobiifolia (Scutellaria galericulata)

Scutellaria galericulata

Scutellaria galericulata ssp. epilobiifolia (Scutellaria galericulata)

Scutellaria galericulata var. epilobiifolia (Scutellaria galericulata)

Scutellaria lateriflora

Secale cereale

Securigera varia

Sedum acre

Sedum aizoon

Sedum lanceolatum ssp. lanceolatum

Sedum purpureum (Hylotelephium telephium)

Sedum stenopetalum (Sedum lanceolatum ssp. lanceolatum)

Sedum telephium (Hylotelephium telephium)

Selaginella densa var. densa

Selaginella rupestris

Selaginella selaginoides

Senecio arcticus (Tephroseris palustris)

Senecio aureus (Packera indecora)

Senecio aureus (Packera pseudaurea var. pseudaurea)

Senecio canus (Packera cana)

Senecio congestus (Tephroseris palustris)

Senecio congestus var. laceratus (Tephroseris palustris)

Senecio congestus var. palustris (Tephroseris palustris)

Senecio congestus var. tonsus (Tephroseris palustris)

Senecio cymbalarioides (Packera streptanthifolia)

Senecio cymbalarioides var. borealis (Packera streptanthifolia)

Senecio discoideus (Packera pauciflora)

Senecio eremophilus var. eremophilus

Senecio exaltatus (Senecio integerrimus var. exaltatus)

Senecio hallii (Packera cana)

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Senecio indecorus (Packera indecora)

Senecio integerrimus var. exaltatus

Senecio integerrimus var. integerrimus

Senecio integerrimus var. scribneri

Senecio palustris (Tephroseris palustris)

Senecio pauciflorus (Packera pauciflora)

Senecio pauciflorus (Packera pseudaurea var. pseudaurea)

Senecio pauciflorus var. fallax (Packera indecora)

Senecio pauperculus (Packera paupercula)

Senecio pauperculus var. thompsoniensis (Packera paupercula)

Senecio plattensis (Packera paupercula)

Senecio plattensis (Packera plattensis)

Senecio pseudaureus (Packera pseudaurea var. pseudaurea)

Senecio pseudaureus var. pseudaureus (Packera pseudaurea var. pseudaurea)

Senecio pseudotomentosus (Packera plattensis)

Senecio scribneri (Senecio integerrimus var. scribneri)

Senecio streptanthifolius (Packera streptanthifolia)

Senecio tweedyi (Packera paupercula)

Senecio viscosus

Senecio vulgaris

Seslaria dactyloides (Bouteloua dactyloides)

Setaria glauca (Setaria pumila ssp. pumila)

Setaria pumila ssp. pumila

Setaria viridis var. viridis

Shepherdia argentea

Shepherdia canadensis

Shinnersoseris rostrata

Sibbaldia tridentata (Sibbaldiopsis tridentata)

Sibbaldiopsis tridentata

Sideranthus grindelioides (Xanthisma grindelioides var. grindelioides)

Sideranthus spinulosum (Xanthisma spinulosum var. spinulosum)

Silene acaulis

Silene alba (Silene latifolia)

Silene antirrhina

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Silene chalcedonica

Silene conoidea

Silene csereii

Silene cucubalus (Silene vulgaris)

Silene dichotoma ssp. dichotoma

Silene drummondii ssp. drummondii

Silene latifolia

Silene menziesii

Silene noctiflora

Silene pratensis (Silene latifolia)

Silene sibirica

Silene vulgaris

Silybum marianum

Sinapis alba ssp. alba

Sinapis arvensis

Sinapis juncea (Brassica juncea)

Sinapis kaber (Sinapis arvensis)

Sinapis nigra (Brassica nigra)

Sisymbrium altissimum

Sisymbrium brachycarpum Sisymbrium brachycarpum Sisymbrium brachycarpa (Descurainia pinnata ssp. brachycarpa)

Sisymbrium loeselii

Sisymbrium virgatum (Transberingia bursifolia ssp. virgata)

Sisyrinchium angustifolium (Sisyrinchium montanum var. montanum)

Sisyrinchium montanum var. montanum

Sisyrinchium mucronatum

Sisyrinchium septentrionale

Sitanion elymoides (Elymus elymoides ssp. elymoides)

Sitanion hystrix (Elymus elymoides ssp. elymoides)

Sium suave

Smilacina racemosa var. amplexicaulis (Maianthemum racemosum ssp. amplexicaule)

Smilacina racemosa var. jenkinsii (Maianthemum racemosum ssp. amplexicaule)

Smilacina stellata (Maianthemum stellatum)

Smilacina stellatum (Maianthemum stellatum)

Smilacina trifolium (Maianthemum trifolium)

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Smilax herbacea (Smilax lasioneura)

Smilax herbacea var. lasioneura (Smilax lasioneura)

Smilax lasioneura

Smilax lasioneuron (Smilax lasioneura)

Solanum americanum (Solanum ptychanthum)

Solanum dulcamara

Solanum dulcamara var. dulcamara (Solanum dulcamara)

Solanum dulcamara var. villosissimum (Solanum dulcamara)

Solanum emulans (Solanum ptychanthum)

Solanum interius

Solanum lycopersicum

Solanum nigrum (Solanum ptychanthum)

Solanum nigrum var. virginicum (Solanum ptychanthum)

Solanum physalifolium

Solanum ptychanthum

Solanum rostratum

Solanum triflorum

Solanum tuberosum

Solidago altissima ssp. gilvocanescens (Solidago altissima var. gilvocanescens)

Solidago altissima var. altissima

Solidago altissima var. gilvocanescens

Solidago asteroides (Solidago ptarmicoides)

Solidago bicolor (Solidago hispida)

Solidago bicolor var. concolor (Solidago hispida)

Solidago bicolor var. hispida (Solidago hispida)

Solidago bicolor var. lanata (Solidago hispida)

Solidago canadensis (Solidago altissima var. gilvocanescens)

Solidago canadensis ssp. salebrosa (Solidago lepida var. salebrosa)

Solidago canadensis var. canadensis

Solidago canadensis var. elongata (Solidago lepida var. salebrosa)

Solidago canadensis var. gilvocanescens (Solidago altissima var. gilvocanescens)

Solidago canadensis var. lepida (Solidago lepida var. lepida)

Solidago canadensis var. salebrosa (Solidago lepida var. salebrosa)

Solidago canadensis var. scabra (Solidago altissima var. altissima)

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Solidago concinna (Solidago missouriensis)

Solidago decumbens (Solidago simplex var. simplex)

Solidago decumbens var. oreophila (Solidago simplex var. simplex)

Solidago gigantea

Solidago gigantea ssp. serotina (Solidago gigantea)

Solidago gigantea var. leiophylla (Solidago gigantea)

Solidago gigantea var. serotina (Solidago gigantea)

Solidago gilvocanescens (Solidago altissima var. gilvocanescens)

Solidago glutinosa (Solidago simplex var. simplex)

Solidago graminifolia (Euthamia graminifolia var. graminifolia)

Solidago graminifolia var. major (Euthamia graminifolia var. graminifolia)

Solidago graminifolia var. media (Euthamia graminifolia var. graminifolia)

Solidago graminifolia var. nuttallii (Euthamia graminifolia var. graminifolia)

Solidago hispida

Solidago hispida var. hispida (Solidago hispida)

Solidago hispida var. lanata (Solidago hispida)

Solidago hispida var. tonsa (Solidago hispida)

Solidago incana (Solidago mollis)

Solidago lanata (Solidago hispida)

Solidago lepida var. lepida

Solidago lepida var. salebrosa

Solidago missouriensis

Solidago missouriensis var. fasciculata (Solidago missouriensis)

Solidago missouriensis var. glaberrina (Solidago missouriensis)

Solidago missouriensis var. tenuissima (Solidago missouriensis)

Solidago mollis

Solidago mollis var. angustata (Solidago mollis)

Solidago multiradiata

Solidago multiradiata var. scopulorum (Solidago multiradiata)

Solidago nemoralis ssp. decemflora

Solidago nemoralis ssp. longipetiolata (Solidago nemoralis ssp. decemflora)

Solidago nemoralis var. decemflora (Solidago nemoralis ssp. decemflora)

Solidago nemoralis var. incana (Solidago mollis)

Solidago nemoralis var. longipetiolata (Solidago nemoralis ssp. decemflora)

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Solidago nemoralis var. mollis (Solidago mollis)

Solidago oreophila (Solidago simplex var. simplex)

Solidago pruinosa (Solidago altissima var. gilvocanescens)

Solidago ptarmicoides

Solidago pulcherrima (Solidago nemoralis ssp. decemflora)

Solidago rigida ssp. humilis

Solidago rigida var. canescens (Solidago rigida ssp. humilis)

Solidago rigida var. humilis (Solidago rigida ssp. humilis)

Solidago rubra (Solidago multiradiata)

Solidago salebrosa (Solidago lepida var. salebrosa)

Solidago scopulorum (Solidago multiradiata)

Solidago simplex var. simplex

Solidago spathulata ssp. glutinosa (Solidago simplex var. simplex)

Solidago spathulata var. neomexicana (Solidago simplex var. simplex)

Solidago x lutescens

Sonchus arvensis ssp. arvensis

Sonchus arvensis ssp. uliginosus

Sonchus arvensis var. glabrescens (Sonchus arvensis ssp. uliginosus)

Sonchus asper ssp. asper

Sonchus oleraceus

Sophia brachycarpa (Descurainia pinnata ssp. brachycarpa)

Sorbaria sorbifolia

Sorbus americana (Sorbus decora)

Sorbus aucuparia

Sorbus decora

Sorbus scopulina

Sorghastrum nutans

Sparganium angustifolium

Sparganium emersum

Sparganium emersum var. angustifolium (Sparganium angustifolium)

Sparganium emersum var. multipedunculatum (Sparganium emersum)

Sparganium eurycarpum

Sparganium fluctuans

Sparganium glomeratum

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Sparganium hyperboreum

Sparganium minimum (Sparganium natans)

Sparganium multipedunculatum (Sparganium emersum)

Sparganium natans

Sparganium simplex (Sparganium emersum)

Sparganium simplex var. angustifolium (Sparganium angustifolium)

Spartina gracilis

Spartina pectinata

Spergula arvensis

Spergula arvensis var. arvensis (Spergula arvensis)

Spergula arvensis var. sativa (Spergula arvensis)

Spergularia canadensis var. occidentalis

Spergularia diandra

Spergularia marina (Spergularia salina)

Spergularia marina var. leiosperma (Spergularia salina)

Spergularia rubra

Spergularia salina

Sphaeralcea coccinea ssp. coccinea

Sphaerophysa salsula

Sphenopholis intermedia

Sphenopholis obtusata

Sphenopholis obtusata var. major (Sphenopholis intermedia)

Sphenopholis pallens (Sphenopholis intermedia)

Spiraea alba var. alba

Spiraea betulifolia ssp. lucida (Spiraea lucida)

Spiraea betulifolia var. lucida (Spiraea lucida)

Spiraea lucida

Spiranthes gracilis (Spiranthes lacera var. lacera)

Spiranthes lacera (Spiranthes lacera var. lacera)

Spiranthes lacera var. lacera

Spiranthes romanzoffiana

Spirodela polyrhiza (Spirodela polyrrhiza)

Spirodela polyrrhiza

Sporobolus compositus

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Sporobolus cryptandrus

Sporobolus heterolepis

Sporobolus hookerianus (Spartina gracilis)

Sporobolus michauxianus (Spartina pectinata)

Sporobolus neglectus

Sporobolus rigidus var. rigidus (Calamovilfa longifolia var. longifolia)

Stachys palustris ssp. pilosa (Stachys pilosa var. pilosa)

Stachys palustris var. homotricha (Stachys pilosa var. pilosa)

Stachys palustris var. pilosa (Stachys pilosa var. pilosa)

Stachys pilosa var. pilosa

Statice interior (Armeria maritima ssp. interior)

Steironema ciliatum (Lysimachia ciliata)

Steironema hybridum (Lysimachia hybrida)

Stellaria arenicola (Stellaria longipes ssp. arenicola)

Stellaria borealis ssp. borealis

Stellaria calycantha (Stellaria borealis ssp. borealis)

Stellaria ciliatosepala (Stellaria longipes ssp. longipes)

Stellaria crassifolia

Stellaria gracilis (Stellaria crassifolia)

Stellaria longifolia

Stellaria longifolia var. atrata (Stellaria longifolia)

Stellaria longifolia var. eciliata (Stellaria longifolia)

Stellaria longifolia var. longifolia (Stellaria longifolia)

Stellaria longipes ssp. arenicola

Stellaria longipes ssp. longipes

Stellaria longipes ssp. stricta (Stellaria longipes ssp. longipes)

Stellaria longipes var. arenicola (Stellaria longipes ssp. arenicola)

Stellaria longipes var. edwardsii (Stellaria longipes ssp. longipes)

Stellaria longipes var. laeta (Stellaria longipes ssp. longipes)

Stellaria longipes var. monantha (Stellaria longipes ssp. longipes)

Stellaria longipes var. subvestita (Stellaria longipes ssp. longipes)

Stellaria media

Stenotus armerioides var. armerioides

Stephanomeria minor (Stephanomeria tenuifolia)

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Stephanomeria runcinata

Stephanomeria tenuifolia

Stipa comata (Hesperostipa comata ssp. comata)

Stipa comata ssp. intonsa (Hesperostipa comata ssp. comata)

Stipa comata var. comata (Hesperostipa comata ssp. comata)

Stipa comata var. falcata (Hesperostipa curtiseta)

Stipa curtiseta (Hesperostipa curtiseta)

Stipa nelsonii ssp. dorei (Achnatherum nelsonii ssp. dorei)

Stipa richardsonii (Achnatherum richardsonii)

Stipa spartea (Hesperostipa spartea)

Stipa spartea var. curtiseta (Hesperostipa curtiseta)

Stipa viridula (Nassella viridula)

Streptopus amplexifolius

Streptopus amplexifolius var. americanus (Streptopus amplexifolius)

Stuckenia filiformis ssp. alpina

Stuckenia filiformis ssp. occidentalis

Stuckenia pectinata

Stuckenia vaginata

Suaeda americana (Suaeda calceoliformis)

Suaeda calceoliformis

Suaeda depressa (Suaeda calceoliformis)

Suaeda depressa var. erecta (Suaeda calceoliformis)

Suaeda intermedia (Suaeda nigra)

Suaeda maritima var. americana (Suaeda calceoliformis)

Suaeda moquinii (Suaeda nigra)

Suaeda nigra

Subularia aquatica ssp. americana

Subularia aquatica var. americana (Subularia aquatica ssp. americana)

Suckleya suckleyana

Symphoricarpos albus var. albus

Symphoricarpos occidentalis

Symphoricarpos pauciflorus (Symphoricarpos albus var. albus)

Symphoricarpos racemosus (Symphoricarpos albus var. albus)

Symphyotrichum ascendens

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Symphyotrichum boreale

Symphyotrichum ciliatum

Symphyotrichum ciliolatum

Symphyotrichum eatonii

Symphyotrichum ericoides ssp. pansum (Symphyotrichum ericoides var. pansum)

Symphyotrichum ericoides var. pansum

Symphyotrichum ericoides var. stricticaule (Symphyotrichum ericoides var. pansum)

Symphyotrichum falcatum ssp. commutatum (Symphyotrichum falcatum var. commutatum)

Symphyotrichum falcatum var. commutatum

Symphyotrichum falcatum var. crassulum (Symphyotrichum falcatum var. commutatum)

Symphyotrichum falcatum var. falcatum

Symphyotrichum firmum

Symphyotrichum hesperium (Symphyotrichum lanceolatum var. hesperium)

Symphyotrichum laeve var. geyeri

Symphyotrichum lanceolatum var. hesperium

Symphyotrichum lanceolatum var. lanceolatum

Symphyotrichum novae-angliae

Symphyotrichum puniceum var. puniceum

Symphyotrichum simplex (Symphyotrichum lanceolatum var. lanceolatum)

Symphytum asperum

Symphytum officinale

Synthyris wyomingensis

Syringa josikaea

Syringa vulgaris

Tagetes papposa (Dyssodia papposa)

Tamarix ramosissima

Tanacetum balsamita

Tanacetum bipinnatum ssp. huronense (Tanacetum huronense var. bifarium)

Tanacetum bipinnatum ssp. huronense (Tanacetum huronense var. floccosum)

Tanacetum huronense var. bifarium

Tanacetum huronense var. floccosum

Tanacetum vulgare

Taraxacum ceratophorum

Taraxacum dumetorum (Taraxacum ceratophorum)

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Taraxacum erythrospermum

Taraxacum lacerum (Taraxacum ceratophorum)

Taraxacum laevigatum (Taraxacum erythrospermum)

Taraxacum laevigatum var. erythrospermum (Taraxacum erythrospermum)

Taraxacum officinale (Taraxacum officinale ssp. officinale)

Taraxacum officinale ssp. ceratophorum (Taraxacum ceratophorum)

Taraxacum officinale ssp. officinale

Taraxacum officinale var. erythrospermum (Taraxacum erythrospermum)

Taraxacum officinale var. palustre (Taraxacum officinale ssp. officinale)

Taraxacum scanicum (Taraxacum erythrospermum)

Taraxacum umbrinum (Taraxacum ceratophorum)

Taraxacum vulgare (Taraxacum officinale ssp. officinale)

Taraxia breviflora

Tephroseris palustris

Tephroseris palustris ssp. congesta (Tephroseris palustris)

Tetraneuris acaulis var. acaulis

Tetraneuris septentrionalis (Tetraneuris acaulis var. acaulis)

Teucrium canadense ssp. occidentale (Teucrium canadense var. occidentale)

Teucrium canadense var. occidentale

Teucrium occidentale (Teucrium canadense var. occidentale)

Thalictrum dasycarpum

Thalictrum occidentale

Thalictrum sparsiflorum

Thalictrum venulosum

Thalictrum venulosum var. turneri (Thalictrum venulosum)

Thellungiella salsuginea (Eutrema salsugineum)

Thelypteris palustris (Phegopteris connectilis)

Thelypteris palustris var. pubescens

Thelypteris phegopteris (Phegopteris connectilis)

Thelypteris thelypterioides (Thelypteris palustris var. pubescens)

Thermopsis rhombifolia

Thinopyrum intermedium

Thinopyrum ponticum

Thlaspi arvense

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Tilia americana

Tilia americana var. americana (Tilia americana)

Tilia americana var. neglecta (Tilia americana)

Tillaea aquatica (Crassula aquatica)

Tofieldia glutinosa (Triantha glutinosa)

Tofieldia pusilla

Tomostima reptans (Draba reptans)

Torreyochloa fernaldii (Torreyochloa pallida var. fernaldii)

Torreyochloa pallida var. fernaldii

Townsendia exscapa

Townsendia hookeri

Townsendia intermedia (Townsendia exscapa)

Townsendia nuttallii (Townsendia hookeri)

Townsendia sericea (Townsendia exscapa)

Townsendia sericea (Townsendia hookeri)

Toxicodendron radicans var. rydbergii (Toxicodendron rydbergii)

Toxicodendron rydbergii

Toxicoscordion venenosum var. gramineum (Zigadenus venenosus var. gramineus)

Tradescantia occidentalis var. occidentalis

Tragopogon dubius

Tragopogon dubius ssp. major (Tragopogon dubius)

Tragopogon major (Tragopogon dubius)

Tragopogon pratensis

Transberingia bursifolia ssp. virgata

Triadenum fraseri

Triadenum virginicum ssp. fraseri (Triadenum fraseri)

Triantha glutinosa

Trichophorum alpinum

Trichophorum cespitosum

Trichophorum clintonii

Trichophorum pumilum

Trichophorum pumilum ssp. rollandii (Trichophorum pumilum)

Trichophorum pumilum var. rollandii (Trichophorum pumilum)

Trientalis arctica (Trientalis europaea)

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Trientalis borealis

Trientalis borealis ssp. borealis (Trientalis borealis)

Trientalis borealis ssp. latifolia (Trientalis borealis)

Trientalis europaea

Trientalis europaea ssp. arctica (Trientalis europaea)

Trifolium agrarium (Trifolium aureum)

Trifolium aureum

Trifolium hybridum

Trifolium hybridum ssp. elegans (Trifolium hybridum)

Trifolium pratense

Trifolium pratense var. sativa (Trifolium pratense)

Trifolium procumbens (Trifolium aureum)

Trifolium repens

Trifolium repens var. repens (Trifolium repens)

Triglochin concinna (Triglochin maritima)

Triglochin concinna var. debilis (Triglochin maritima)

Triglochin maritima

Triglochin maritimum (Triglochin maritima)

Triglochin palustre (Triglochin palustris)

Triglochin palustris

Triglochin scilloides (Lilaea scilloides)

Trigonella caerulea

Trillium cernuum

Trillium cernuum var. macranthum (Trillium cernuum)

Trimorpha acris var. asteroides (Erigeron acris var. kamtschaticus)

Trimorpha acris var. kamtschatica (Erigeron acris var. kamtschaticus)

Trimorpha elata (Erigeron elatus)

Trimorpha lonchophylla (Erigeron lonchophyllus)

Tripleurospermum inodorum

Tripleurospermum maritimum ssp. inodorum (Tripleurospermum inodorum)

Tripleurospermum perforata (Tripleurospermum inodorum)

Tripterocalyx micranthus

Trisetum spicatum

Trisetum spicatum spp. majus (Trisetum spicatum)

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Trisetum spicatum ssp. molle (Trisetum spicatum)

Trisetum spicatum var. molle (Trisetum spicatum)

Trisetum wolfii

Triticum aestivum

Triticum dicoccum (Triticum durum)

Triticum durum

Triticum spelta var. dicoccum (Triticum durum)

Triticum turgidum

Triticum turgidum (Triticum durum)

Turritis glabra

Typha angustifolia

Typha angustifolia var. elongata (Typha x glauca)

Typha latifolia

Typha latifolia var. elongata (Typha x glauca)

Typha x glauca

Ulmus americana

Ulmus pumila

Urtica dioica ssp. gracilis

Urtica dioica var. lyallii (Urtica dioica ssp. gracilis)

Urtica dioica var. procera (Urtica dioica ssp. gracilis)

Urtica gracilis (Urtica dioica ssp. gracilis)

Urtica lyallii (Urtica dioica ssp. gracilis)

Urtica procera (Urtica dioica ssp. gracilis)

Urtica urens

Utricularia cornuta

Utricularia intermedia

Utricularia macrorhiza (Utricularia vulgaris)

Utricularia minor

Utricularia vulgaris

Utricularia vulgaris ssp. macrorhiza (Utricularia vulgaris)

Utricularia vulgaris var. americana (Utricularia vulgaris)

Vaccaria hispanica

Vaccaria pyramidata (Vaccaria hispanica)

Vaccaria vulgaris (Vaccaria hispanica)

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Vaccinium angustifolium (Vaccinium myrtilloides)

Vaccinium caespitosum

Vaccinium canadense (Vaccinium myrtilloides)

Vaccinium cespitosum (Vaccinium caespitosum)

Vaccinium microcarpum (Vaccinium oxycoccos)

Vaccinium microcarpus (Vaccinium oxycoccos)

Vaccinium myrtilloides

Vaccinium oxycoccos

Vaccinium oxycoccos var. intermedium (Vaccinium oxycoccos)

Vaccinium uliginosum

Vaccinium uliginosum ssp. gaultherioides (Vaccinium uliginosum)

Vaccinium uliginosum ssp. microphyllum (Vaccinium uliginosum)

Vaccinium uliginosum ssp. pubescens (Vaccinium uliginosum)

Vaccinium uliginosum var. alpinum (Vaccinium uliginosum)

Vaccinium vitis-idaea

Valeriana dioica ssp. sylvatica (Valeriana dioica var. sylvatica)

Valeriana dioica var. sylvatica

Valeriana officinalis

Valeriana septentrionalis (Valeriana dioica var. sylvatica)

Verbascum nigrum

Verbascum phlomoides

Verbascum thapsus ssp. thapsus

Verbena bracteata

Verbena bracteosa (Verbena bracteata)

Verbena hastata

Verbena urticifolia

Vernonia fasciculata

Veronica americana

Veronica anagallis (Veronica anagallis-aquatica)

Veronica anagallis (Veronica catenata)

Veronica anagallis-aquatica

Veronica austriaca ssp. teucrium (Veronica teucrium)

Veronica catenata

Veronica catenata var. glandulosa (Veronica anagallis-aquatica)

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Veronica catenata var. glandulosa (Veronica catenata)

Veronica comosa (Veronica anagallis-aquatica)

Veronica comosa var. glandulosa (Veronica anagallis-aquatica)

Veronica comosa var. glandulosa (Veronica catenata)

Veronica connata var. glaberrima (Veronica anagallis-aquatica)

Veronica connata var. glaberrima (Veronica catenata)

Veronica humifusa (Veronica serpyllifolia)

Veronica latifolia (Veronica teucrium)

Veronica longifolia

Veronica peregrina

Veronica persica

Veronica persica var. aschersoniana (Veronica persica)

Veronica salina (Veronica anagallis-aquatica)

Veronica scutellata

Veronica scutellata var. pubescens (Veronica scutellata)

Veronica serpyllifolia

Veronica serpyllifolia ssp. humifusa (Veronica serpyllifolia)

Veronica teucrium

Veronica wyomingensis (Synthyris wyomingensis)

Viburnum edule

Viburnum lentago

Viburnum opulus ssp. trilobum (Viburnum opulus var. americanum)

Viburnum opulus var. americanum

Viburnum rafinesqueanum (Viburnum rafinesquianum)

Viburnum rafinesquianum

Viburnum trilobum (Viburnum opulus var. americanum)

Vicia americana ssp. americana

Vicia americana ssp. minor

Vicia americana var. angustifolia (Vicia americana ssp. minor)

Vicia americana var. minor (Vicia americana ssp. minor)

Vicia americana var. truncata (Vicia americana ssp. americana)

Vicia cracca ssp. cracca

Vicia sativa

Vicia sparsifolia (Vicia americana ssp. minor)

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Vicia villosa

Viola adunca var. adunca

Viola adunca var. minor (Viola labradorica)

Viola affinis (Viola nephrophylla)

Viola arvensis

Viola bicolor

Viola blanda

Viola blanda var. palustriformis (Viola blanda)

Viola canadensis ssp. rydbergii (Viola canadensis var. rugulosa)

Viola canadensis var. rugulosa

Viola conspersa (Viola labradorica)

Viola cucullata (Viola sororia)

Viola eriocarpon (Viola pubescens var. scabriuscula)

Viola eriocarpon var. leiocarpon (Viola pubescens var. scabriuscula)

Viola incognita var. forbesii (Viola blanda)

Viola kitaibeliana (Viola arvensis)

Viola kitaibeliana var rafinesquei (Viola bicolor)

Viola labradorica

Viola macloskeyi

Viola macloskeyi ssp. pallens (Viola macloskeyi)

Viola nephrophylla

Viola nephrophylla var. arizonica (Viola nephrophylla)

Viola nephrophylla var. cognata (Viola nephrophylla)

Viola nuttallii

Viola nuttallii var. major (Viola vallicola)

Viola nuttallii var. vallicola (Viola vallicola)

Viola pallens (Viola macloskeyi)

Viola palustris

Viola papilionacea (Viola sororia)

Viola papilionacea var. priceana (Viola sororia)

Viola pedatifida

Viola priceana (Viola sororia)

Viola pubescens var. eriocarpon (Viola pubescens var. scabriuscula)

Viola pubescens var. leiocarpon (Viola pubescens var. scabriuscula)

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Viola pubescens var. scabriuscula

Viola rafinesquei (Viola bicolor)

Viola renifolia

Viola renifolia var. brainerdii (Viola renifolia)

Viola rugulosa (Viola canadensis var. rugulosa)

Viola russellii (Viola vallicola)

Viola selkirkii

Viola septentrionalis (Viola sororia)

Viola sororia

Viola sororia var. affinis (Viola nephrophylla)

Viola subvestita (Viola adunca var. adunca)

Viola tricolor var. tricolor

Viola vallicola

Viola vallicola var. major (Viola vallicola)

Vitis riparia

Vitis vulpina ssp. riparia (Vitis riparia)

Vulpia myuros

Vulpia octoflora

Weberaster modestus (Canadanthus modestus)

Wolffia arrhiza (Wolffia columbiana)

Wolffia columbiana

Woodsia alpina

Woodsia cathcartiana (Woodsia oregana ssp. cathcartiana)

Woodsia confusa (Woodsia x abbeae)

Woodsia glabella

Woodsia ilvensis

Woodsia oregana ssp. cathcartiana

Woodsia oregana ssp. oregana

Woodsia oregana var. squammosa (Woodsia x abbeae)

Woodsia scopulina ssp. scopulina

Woodsia x abbeae

X Agroelymus hirtiflorus (x Elyleymus ontariensis)

X Agroelymus turneri (x Elyleymus turneri)

X Agrohordeum macounii (x Elyhordeum macounii)

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X Elyhordeum macounii

X Elyleymus ontariensis

X Elyleymus turneri

Xanthisma grindelioides var. grindelioides

Xanthisma spinulosum var. spinulosum

Xanthium canadense (Xanthium strumarium)

Xanthium echinatum (Xanthium strumarium)

Xanthium italicum (Xanthium strumarium)

Xanthium spinosum

Xanthium strumarium

Xanthium strumarium ssp. italicum (Xanthium strumarium)

Xanthium strumarium var. canadense (Xanthium strumarium)

Xanthium strumarium var. glabratum (Xanthium strumarium)

Xanthocephalum sarothrae (Gutierrezia sarothrae)

Yucca glauca

Zannichellia palustris

Zea mays

Zigadenus elegans ssp. elegans

Zigadenus elegans var. glaucus (Zigadenus elegans ssp. elegans)

Zigadenus venenosus var. gramineus

Zizania aquatica var. angustifolia (Zizania palustris var. palustris)

Zizania aquatica var. aquatica

Zizania aquatica var. interior (Zizania aquatica var. aquatica)

Zizania interior (Zizania aquatica var. aquatica)

Zizania palustris ssp. interior (Zizania aquatica var. aquatica)

Zizania palustris var. interior (Zizania aquatica var. aquatica)

Zizania palustris var. palustris

Zizia aptera

Zygadenus elegans (Zigadenus elegans ssp. elegans)

Zygadenus gramineus (Zigadenus venenosus var. gramineus)

Zygadenus venenosus var. gramineus (Zigadenus venenosus var. gramineus)

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