Vascular Plant List s1

Vascular Plant List Yakima County

Yakima County. Yakima County, WA. List covers plants found in Yakima County. County list is composed from plant lists of areas in Yakima County, plants collected in Yakima County found in the UW and WSU herbariums, and a few additions by Phelps Freeborn. 1474 spp., 184 introduced. List prepared by Don Knoke, 2004.

These lists represent the work of different WNPS members over the years. Their accuracy has not been verified by the Washington Native Plant Society. We offer these lists to individuals as a tool to enhance the enjoyment and study of native plants.

* - Introduced Scientific Name Common Name Family Name Abies amabilis Pacific silver fir Pinaceae Abies grandis Grand fir Pinaceae Abies lasiocarpa Sub-alpine fir Pinaceae Abies procera Noble fir Pinaceae Abronia mellifera White sand verbena Nyctaginaceae Acer circinatum Vine maple Aceraceae Acer glabrum Douglas maple Aceraceae Acer macrophyllum Big-leaf maple Aceraceae Acer negundo* Box elder Aceraceae Acer saccharum* Sugar maple Aceraceae Achillea millifolium Yarrow Asteraceae Achlys triphylla Vanilla leaf Berberidaceae Aconitum columbianum Monkshood Ranunculaceae Actaea rubra Baneberry Ranunculaceae Adenocaulon bicolor Pathfinder Asteraceae Adiantum pedatum Maidenhair fern Polypodiaceae Agastache occidentalis Western horse-mint Lamiaceae Agastache urticifolia Nettle-leaf horse-mint Lamiaceae Agoseris aurantiaca Orange agoseris Asteraceae Agoseris elata Tall agoseris Asteraceae Agoseris glauca Mountain agoseris Asteraceae Agoseris grandiflora Large-flowered agoseris Asteraceae Agoseris heterophylla Annual agoseris Asteraceae Agoseris retrorsa Spear-leaf agoseris Asteraceae Agropyron caninum Bearded wheatgrass Poaceae Agropyron cristatum* Crested wheatgrass Poaceae Agropyron dasytachyum Thickspike wheatgrass Poaceae Agropyron intermedium* Intermediate wheatgrass Poaceae Agropyron repens* Quack grass Poaceae Agropyron scribneri Scribner's wheatgrass Poaceae Agropyron spicatum Blue-bunch wheatgrass Poaceae

Yakima County, Washington WNPS Plant Lists Page 1 of 33 Agropyron triticeum* Annual wheatgrass Poaceae Agrostis alba* Red top Poaceae Agrostis diegoensis Thin bentgrass Poaceae Agrostis exarata* Spike bentgrass Poaceae Agrostis humilus Alpine bentgrass Poaceae Agrostis idahoensis Idaho bentgrass Poaceae Agrostis oregonensis Oregon bentgrass Poaceae Agrostis scabra Tickle-grass Poaceae Agrostis stolonifera* Colonial bentgrass Poaceae Agrostis tenuis* Colonial bentgrass Poaceae Agrostis thurberiana Thurber bentgrass Poaceae Agrostis variabilis Variable bentgrass Poaceae Alisma plantago-aquatica American water-plantain Alismataceae Allium acuminatum Taper-tip onion Liliaceae Allium amplectans Slim-leaf onion Liliaceae Allium douglasii Douglas' onion Liliaceae Allium geyeri Geyer's onion Liliaceae Allium macrum Rock onion Liliaceae Allium robinsonii Robinson's onion Liliaceae Allium schoenoprasum Chives Liliaceae Allium scilloides Scilla-like onion Liliaceae Allium tolmiei Tolmie's onion Liliaceae Alnus incana Mountain alder Betulaceae Alnus rhombifolia White alder Betulaceae Alnus rubra Red alder Betulaceae Alnus sinuata Sitka alder Betulaceae Alopecurus aequalis Short-awned foxtail Poaceae Alopecurus carolinianus Carolina foxtail Poaceae Alyssum alyssoides* Pale alyssum Brassicaceae Alyssum desertorum* Desert alyssum Brassicaceae Amaranthus albus* White pigweed Amaranthaceae Amaranthus californicus California amaranth Amaranthaceae Amaranthus hybridus* Slim amaranth Amaranthaceae Amaranthus retroflexus* Red-root pigweed Amaranthaceae Ambrosia acanthicarpa Bur ragweed Asteraceae Ambrosia artemisiifolia Annual ragweed Asteraceae Amelanchier alnifolia Serviceberry Rosaceae Amelanchier utahensis Utah serviceberry Rosaceae Amsinckia intermedia Fireweed fiddleneck Boraginaceae Amsinckia lycopsoides Bugloss fiddleneck Boraginaceae Amsinckia menziesii Menzies' fiddleneck Boraginaceae Amsinckia retrorsa Rigid fiddleneck Boraginaceae Amsinckia tessellata Devil's lettuce Boraginaceae Anaphalis margaritacea Pearly everlasting Asteraceae Anemone drummondii Drummond's anemone Ranunculaceae Anemone lyallii Lyall's anemone Ranunculaceae

Yakima County, Washington WNPS Plant Lists Page 2 of 33 Anemone multifida Cliff anemone Ranunculaceae Anemone occidentalis Mountain pasqueflower Ranunculaceae Anemone oregana Oregon anemone Ranunculaceae Angelica arguta Sharp-tooth angelica Apiaceae Angelica canbyi Canby's angelica Apiaceae Antennaria alpina Alpine pussy-toes Asteraceae Antennaria anaphaloides Tall pussy-toes Asteraceae Antennaria dimorpha Low pussy-toes Asteraceae Antennaria flagellaris Stolonous pussy-toes Asteraceae Antennaria lanata Woolly pussy-toes Asteraceae Antennaria luzuloides Woodrush pussy-toes Asteraceae Antennaria microphylla Rosy pussy-toes Asteraceae Antennaria neglecta Field pussy-toes Asteraceae Antennaria pulcherrima Showy pussy-toes Asteraceae Antennaria racemosa Raceme pussy-toes Asteraceae Antennaria stenophylla Narrow-leaf pussy-toes Asteraceae Antennaria umbrinella Umber pussy-toes Asteraceae Anthemis cotula* Dog fennel Asteraceae Apocynum androsaemifolium Spreading dogbane Apocynaceae Apocynum cannabinum Hemp dogbane Apocynaceae Apocynum medium Western dogbane Apocynaceae Aquilegia formosa Red columbine Ranunculaceae Arabis cusickii Cusick's rockcress Brassicaceae Arabis divaricarpa Spreadingpod rockcress Brassicaceae Arabis drummondii Drummond's rockcress Brassicaceae Arabis furcata Forkhaired rockcress Brassicaceae Arabis glabra Tower mustard Brassicaceae Arabis hirsuta Hairy rockcress Brassicaceae Arabis holboellii Holboell's rockcress Brassicaceae Arabis lemmonii Lemmon's rockcress Brassicaceae Arabis lyallii Lyall's rockcress Brassicaceae Arabis nuttallii Nuttall's rockcress Brassicaceae Arabis platysperma Broad-seeded rockcress Brassicaceae Arabis puberula Hoary rockcress Brassicaceae Arabis sparsiflora Sicklepod rockcress Brassicaceae Arabis suffrutescens Crater Lake rockcress Brassicaceae Arceuthobium americanum American mistletoe Loranthaceae Arceuthobium campylopodum Western dwarf mistletoe Loranthaceae Arceuthobium douglasii Douglas dwarf mistletoe Loranthaceae Arctium minus* Common burdock Asteraceae Arctostaphylos nevadensis Kinnikinnik Ericaceae Arctostaphylos uva-ursi Bearberry Ericaceae Arenaria capillaris Thread-leaved sandwort Caryophyllaceae Arenaria congesta Dense-flowered sandwort Caryophyllaceae Arenaria franklinii Franklin's sandwort Caryophyllaceae Arenaria macrophylla Big-leaf sandwort Caryophyllaceae

Yakima County, Washington WNPS Plant Lists Page 3 of 33 Arenaria nuttallii Nuttall's sandwort Caryophyllaceae Arenaria obtusiloba Arctic sandwort Caryophyllaceae Arenaria serpyllifolia* Thyme-leaf sandwort Caryophyllaceae Arnica amplexicaulis Streambank arnica Asteraceae Arnica chamissonis Meadow arnica Asteraceae Arnica cordifolia Heart-leaf arnica Asteraceae Arnica diversifolia Sticky arnica Asteraceae Arnica fulgens Hillside arnica Asteraceae Arnica latifolia Mountain arnica Asteraceae Arnica longifolia Seep-spring arnica Asteraceae Arnica mollis Hairy arnica Asteraceae Arnica parryi Nodding arnica Asteraceae Arnica rydbergii Rydberg's arnica Asteraceae Arnica sororia Twin arnica Asteraceae Arrhenatheram elatius* Oat-grass Poaceae Artemesia absinthium* Absinthe Asteraceae Artemesia arbuscula Low sagebrush Asteraceae Artemesia campestris Northern wormwood Asteraceae Artemesia cana Silver sagebrush Asteraceae Artemesia douglasiana Douglas' sagewort Asteraceae Artemesia dracunculus Tarragon Asteraceae Artemesia lindleyana Columbia River mugwort Asteraceae Artemesia ludoviciana Western mugwort Asteraceae Artemesia michauxiana Michaux mugwort Asteraceae Artemesia rigida Stiff sagebrush Asteraceae Artemesia tilesii Aleutian mugwort Asteraceae Artemesia tridentata Big sagebrush Asteraceae Artemesia trifurcata Three-forked artemesia Asteraceae Artemesia tripartita Three-tip sagebrush Asteraceae Artemesia vulgaris Mugwort Asteraceae Aruncus sylvester Goatsbeard Rosaceae Asarum caudatum Wild ginger Aristolochiaceae Asclepias fascicularis Mexican milkweed Asclepiadaceae Asclepias speciosa Showy milkweed Asclepiadaceae Asparagus officinalis* Asparagus Liliaceae Asperugo procumbens* Madwort Boraginaceae Aspidotus densa Indian's dream fern Polypodiaceae Aster alpigenus Alpine aster Asteraceae Aster campestris Western meadow aster Asteraceae Aster conspicuus Showy aster Asteraceae Aster eatonii Eaton's aster Asteraceae Aster engelmannii Engelman's aster Asteraceae Aster foliaceus Leafy aster Asteraceae Aster frondosus Alkali aster Asteraceae Aster glaucescens Klickitat aster Asteraceae Aster hesperius Western marsh aster Asteraceae

Yakima County, Washington WNPS Plant Lists Page 4 of 33 Aster ledophyllus Cascade aster Asteraceae Aster modestus Great northern aster Asteraceae Aster occidentalis Western aster Asteraceae Aster pansus Wreath aster Asteraceae Aster radulinus Rough-leaf aster Asteraceae Aster subspictus Douglas' aster Asteraceae Astragalus canadensis Canada milk-vetch Fabaceae Astragalus caricinus Buckwheat milk-vetch Fabaceae Astragalus columbianus Columbia milk-vetch Fabaceae Astragalus conjunctus Rattlesnake Mt. milk-vetch Fabaceae Astragalus filipes Basalt milk-vetch Fabaceae Astragalus inflexus Bent milk-vetch Fabaceae Astragalus lentiginosus Specklepod milk-vetch Fabaceae Astragalus lyallii Lyall's milk-vetch Fabaceae Astragalus misellus Pauper milkvetch Fabaceae Astragalus purshii Pursh's milk-vetch Fabaceae Astragalus reventiformis Yakima milk-vetch Fabaceae Astragalus reventus Blue Mtn. milk-vetch Fabaceae Astragalus sclerocarpus Stalked-pod milk-vetch Fabaceae Astragalus spaldingii Spalding's milk vetch Fabaceae Astragalus speirocarpus Coilpod locoweed Fabaceae Astragalus succumbens Columbia locoweed Fabaceae Astragalus tweedyi Tweedy's locoweed Fabaceae Astragalus whitneyi Balloon milk-vetch Fabaceae Athyrium distentifolium Alpine lady fern Polypodiaceae Athyrium filix-femina Lady fern Polypodiaceae Athysanus pusillus Sandweed Brassicaceae Atriplex argentea Silverscale Chenopodiaceae Atriplex heterosperma* Twoscale saltbush Chenopodiaceae Atriplex patula Orache Chenopodiaceae Atriplex rosea* Red orache Chenopodiaceae Atriplex spinosa Spiny hop sage Chenopodiaceae Atriplex truncata Wedgescale orache Chenopodiaceae Avena fatua* Wild oats Poaceae Azolla mexicana Mexican water-fern Salviniaceae Balsamorhiza careyana Carey's balsamroot Asteraceae Balsamorhiza deltoidea Puget balsamroot Asteraceae Balsamorhiza hirsuta Hairy balsamroot Asteraceae Balsamorhiza hookeri Hooker's balsamroot Asteraceae Balsamorhiza rosea Rosy balsamroot Asteraceae Balsamorhiza sagittata Arrow-leaf balsamroot Asteraceae Balsamorhiza serrata Toothed balsamroot Asteraceae Barbarea orthoceras American wintercress Brassicaceae Barbarea vulgaris* Bitter wintercress Brassicaceae Bassia hyssopifolia Smotherweed Chenopodiaceae Beckmannia syzigachne Sloughgrass Poaceae

Yakima County, Washington WNPS Plant Lists Page 5 of 33 Berberis aquifolium Tall Oregongrape Berberidaceae Berberis nervosa Cascade Oregongrape Berberidaceae Berberis repens Creeping Oregongrape Berberidaceae Berula erecta Cutleaf water-parsnip Apiaceae Betula glandulosa Bog birch Betulaceae Betula occidentalis Water birch Betulaceae Bidens cernua Nodding beggar-ticks Asteraceae Bidens frondosa Leafy beggar-ticks Asteraceae Bidens vulgata Tall beggar-ticks Asteraceae Blechnum spicant Deer fern Polypodiaceae Boisduvalia stricta Brook spike-primrose Onagraceae Botrychium lanceolatum Triangle moonwort Ophioglossaceae Botrychium lunaria Moonwort Ophioglossaceae Botrychium multifidum Leathery grape-fern Ophioglossaceae Botrychium pinnatum Moonwort Ophioglossaceae Botrychium simplex Little grape-fern Ophioglossaceae Botrychium virginianum Virginia grape-fern Ophioglossaceae Brassica campestris* Common mustard Brassicaceae Brickellia oblongifolia Thoroughwort Asteraceae Brodiaea coronaria Harvest brodiaea Liliaceae Brodiaea douglasii Douglas' brodiaea Liliaceae Brodiaea howellii Howell's brodiaea Liliaceae Brodiaea hyacinthina Hyacinth brodiaea Liliaceae Bromus brizaeformis* Rattlesnake grass Poaceae Bromus carinatus California brome Poaceae Bromus ciliatus Fringed brome Poaceae Bromus commutatus* Common chess Poaceae Bromus inermis* Smooth brome Poaceae Bromus japonicus* Japanese brome Poaceae Bromus mollis* Soft brome Poaceae Bromus orcuttianus Orcutt's brome Poaceae Bromus polyanthus Great Basin brome Poaceae Bromus racemosus Bald brome Poaceae Bromus suksdorfii Suksdorf's brome Poaceae Bromus tectorum* Cheat grass Poaceae Bromus vulgaris Narrow-leaf brome Poaceae Calamagrostis canadensis Bluejoint Poaceae Calamagrostis neglecta Slimstem reedgrass Poaceae Calamagrostis purpurescens Purple pinegrass Poaceae Calamagrostis rubescens Pinegrass Poaceae Calamagrostis tweedyi Cascade reedgrass Poaceae Callitriche stagnalis* Pond water-starwort Callitrichaceae Callitriche verna Spring water-starwort Callitrichaceae Calochortus apiculatus Baker's mariposa Liliaceae Calochortus longebarbatus Long-bearded star tulip Liliaceae Calochortus lyallii Lyall mariposa Liliaceae

Yakima County, Washington WNPS Plant Lists Page 6 of 33 Calochortus macrocarpus Sagebrush mariposa Liliaceae Calochortus subalpinus Subalpine mariposa Liliaceae Caltha biflora White marshmarigold Ranunculaceae Caltha leptosepala Elkslip Ranunculaceae Calypso bulbosa Fairy slipper Orchidaceae Camassia leichtlinii Great camas Liliaceae Camassia quamash Common camas Liliaceae Camelina microcarpa* Hairy false-flax Brassicaceae Campanula rotundifolia Common harebell Campanulaceae Campanula scabrella Rough harebell Campanulaceae Campanula scouleri Scouler's harebell Campanulaceae Capsella bursa-pastoris* Shepherd's purse Brassicaceae Cardamine bellidifolia Alpine bittercress Brassicaceae Cardamine cordifolia Large mountain bittercress Brassicaceae Cardamine occidentalis Western bittercress Brassicaceae Cardamine oligosperma Little Western bittercress Brassicaceae Cardamine pulcherrima Spring beauty Brassicaceae Cardaria draba* Hoary cress Brassicaceae Cardaria pubescens* Globepodded hoary cress Brassicaceae Carex amplifolia Big-leaf sedge Cyperaceae Carex angustata Well-fruited sedge Cyperaceae Carex aquatilis Water sedge Cyperaceae Carex arcta Northern clustered sedge Cyperaceae Carex arthrostachya Slender-beak sedge Cyperaceae Carex aurea Golden sedge Cyperaceae Carex bebbii Bebb's sedge Cyperaceae Carex bolanderi Bolander's sedge Cyperaceae Carex breweri Brewer's sedge Cyperaceae Carex brunnescens Brown sedge Cyperaceae Carex canescens Silvery sedge Cyperaceae Carex constanceana Constance's sedge Cyperaceae Carex deweyana Dewey's sedge Cyperaceae Carex diandra Lesser panicled sedge Cyperaceae Carex disperma Soft-leaved sedge Cyperaceae Carex douglasii Douglas' sedge Cyperaceae Carex echinata Muricate sedge Cyperaceae Carex filifolia Thread-leaf sedge Cyperaceae Carex fracta Fragile-sheathed sedge Cyperaceae Carex geyeri Elk sedge Cyperaceae Carex halliana Oregon sedge Cyperaceae Carex heteroneura Different-nerved sedge Cyperaceae Carex hoodii Hood's sedge Cyperaceae Carex hystricina Porcupine sedge Cyperaceae Carex illota Sheep sedge Cyperaceae Carex integra Smooth-beak sedge Cyperaceae Carex interior Inland sedge Cyperaceae

Yakima County, Washington WNPS Plant Lists Page 7 of 33 Carex interrupta Green-fruited sedge Cyperaceae Carex jonesii Jones' sedge Cyperaceae Carex laeviculmis Smooth-stemmed sedge Cyperaceae Carex lanuginosa Wooly sedge Cyperaceae Carex lasiocarpa Slender sedge Cyperaceae Carex lenticularis Lenticular sedge Cyperaceae Carex leptalea Bristle-stalked sedge Cyperaceae Carex luzulina Woodrush sedge Cyperaceae Carex macrochaeta Large-awn sedge Cyperaceae Carex mertensii Merten's sedge Cyperaceae Carex microptera Small-winged sedge Cyperaceae Carex multicostata Many-ribbed sedge Cyperaceae Carex muricata Interior sedge Cyperaceae Carex nardina Spikenard sedge Cyperaceae Carex neurophora Alpine nerved sedge Cyperaceae Carex nigricans Black alpine sedge Cyperaceae Carex pachystachya Pachystachy sedge Cyperaceae Carex pellita Woolly sedge Cyperaceae Carex petasata Liddon's sedge Cyperaceae Carex phaeocephala Mountain hare sedge Cyperaceae Carex podocarpa Sedge Cyperaceae Carex praegracilis Silver sedge Cyperaceae Carex preslii Presl sedge Cyperaceae Carex pyrenaica Pyrenaean sedge Cyperaceae Carex rossii Ross' sedge Cyperaceae Carex rostrata Beaked sedge Cyperaceae Carex scopulorum Rocky Mtn. sedge Cyperaceae Carex spectabilis Showy sedge Cyperaceae Carex stipata Sawbeak sedge Cyperaceae Carex straminiformis Mount Shasta sedge Cyperaceae Carex subfusca Rusty sedge Cyperaceae Carex utriculata Beaked sedge Cyperaceae Carex vernacula Native sedge Cyperaceae Carex vesicaria Inflated sedge Cyperaceae Carex viridula Green sedge Cyperaceae Carex vulpinoidea Fox sedge Cyperaceae Cassiope mertensiana White mountain heather Ericaceae Castilleja cryptantha Obscure paintbrush Scrophulariaceae Castilleja exilis Alkali paintbrush Scrophulariaceae Castilleja hispida Harsh paintbrush Scrophulariaceae Castilleja lutescens Green paintbrush Scrophulariaceae Castilleja miniata Scarlet paintbrush Scrophulariaceae Castilleja parviflora oreopola Magenta paintbrush Scrophulariaceae Castilleja rupicola Cliff paintbrush Scrophulariaceae Castilleja suksdorfii Suksdorf's paintbrush Scrophulariaceae Castilleja thompsonii Thompson's paintbrush Scrophulariaceae

Yakima County, Washington WNPS Plant Lists Page 8 of 33 Catalpa bignonioides* Catalpa Bignoniaceae Ceanothus sanguineus Redstem ceanothus Rhamnaceae Ceanothus velutinus Snowbrush Rhamnaceae Centaurea diffusa* Diffuse knapweed Asteraceae Centaurea maculosa* Spotted knapweed Asteraceae Centaurea pratensis* Meadow knapweed Asteraceae Centaurea repens* Russian knapweed Asteraceae Centaurea solstitialis* Yellow starthistle Asteraceae Centaurium exaultum* Western centaury Gentianaceae Cerastium arvense Field chickweed Caryophyllaceae Cerastium berringianum Alpine chickweed Caryophyllaceae Cerastium nutans* Nodding chickweed Caryophyllaceae Cerastium vulgatum* Mouse-ear chickweed Caryophyllaceae Chaenactis douglasii Dusty maidens Asteraceae Chaenactis ramosa Branching chaenactis Asteraceae Chamaecyparis nookatensis Alaska cedar Cupressaceae Cheilanthes gracillima Lace fern Polypodiaceae Chenopodium album* Pigweed Chenopodiaceae Chenopodium botrys* Jerusalem oak Chenopodiaceae Chenopodium desiccatum Dry goosefoot Chenopodiaceae Chenopodium hybridum Sowbane Chenopodiaceae Chenopodium leptophyllum Slim-leaf goosefoot Chenopodiaceae Chenopodium rubrum* Red goosefoot Chenopodiaceae Chimaphila menziesii Little pipsissewa Ericaceae Chimaphila umbellata Pipsissewa Ericaceae Chorispermum hyssopifolium* Common bugseed Chenopodiaceae Chorispora tenella* Blue mustard Brassicaceae Chorizanthe watsonii Watson's spine-flower Polygonaceae Chrysanthemum balsamita* Costmary Asteraceae Chrysanthemum leucanthemum* Ox-eye daisy Asteraceae Chrysopsis oregana Oregon golden-aster Asteraceae Chrysopsis villosa Hairy golden-aster Asteraceae Chrysothamnus nauseosus Gray rabbit-brush Asteraceae Chrysothamnus viscidiflorus Green rabbit-brush Asteraceae Cichorium intybus* Chicory Asteraceae Cicuta douglasii Water-hemlock Apiaceae Cicuta maculata Western water hemlock Apiaceae Cinna latifolia Reedgrass Poaceae Circaea alpina Enchanter's nightshade Onagraceae Cirsium arvense* Canada thistle Asteraceae Cirsium edule Horse thistle Asteraceae Cirsium remotifolium Weak thistle Asteraceae Cirsium scariosum Elk thistle Asteraceae Cirsium undulatum Wavy-leaved thistle Asteraceae Cirsium vulgare* Bull thistle Asteraceae Clarkia pulchella Ragged Robin Onagraceae

Yakima County, Washington WNPS Plant Lists Page 9 of 33 Clarkia rhomboidea Common clarkia Onagraceae Claytonia lanceolata Western spring beauty Portulacaceae Claytonia rubra Red miner's lettuce Portulacaceae Clematis lingusticifolia Virgin's bower Ranunculaceae Clematis orientalis* Oriental virgin's-bower Ranunculaceae Clematis vitalba* Traveller's joy Ranunculaceae Cleome lutea Yellow bee-plant Capparidaceae Cleome serrulata Rocky Mountain bee plant Capparidaceae Clintonia uniflora Queen's cup Liliaceae Coldenia nuttallii Nuttall's coldenia Boraginaceae Collinsia parviflora Small-flowered blue-eyed Mary Scrophulariaceae Collomia debilis Alpine collomia Polemoniaceae Collomia grandiflora Large-flowered collomia Polemoniaceae Collomia heterophylla Varied-leaf collomia Polemoniaceae Collomia linearis Narrow-leaf collomia Polemoniaceae Collomia macrocalyx Bristle-flowered collomia Polemoniaceae Collomia tinctoria Yellow-staining collomia Polemoniaceae Comandra umbellata Bastard toad-flax Santalaceae Conium maculatum* Poison hemlock Apiaceae Convolvulus arvensis* Field morning-glory Convolvulaceae Convolvulus nyctagineus Night-blooming morning-glory Convolvulaceae Conyza canadensis* Horseweed Asteraceae Coptis laciniata Cut-leaf goldthread Ranunculaceae Corallorhiza maculata Spotted coral-root Orchidaceae Corallorhiza mertensiana Western coral-root Orchidaceae Corallorhiza striata Striped coral-root Orchidaceae Corallorhiza trifida Yellow coral-root Orchidaceae Cordylanthus capitatus Yakima birdbeak Scrophulariaceae Coreopsis atkinsoniana Columbia tickseed Asteraceae Corispermum hyssopifolium Bugseed Chenopodiaceae Cornus canadensis Bunchberry Cornaceae Cornus nuttallii Pacific dogwood Cornaceae Cornus stolonifera Red-osier dogwood Cornaceae Corydalis aurea Golden corydalis Fumariaceae Corylus cornuta Hazelnut Betulaceae Crataegus columbiana Columbia hawthorn Rosaceae Crataegus douglasii Black hawthorn Rosaceae Crepis acuminata Tapertip hawksbeard Asteraceae Crepis atrabarba Slender hawksbeard Asteraceae Crepis barbigera Bearded hawksbeard Asteraceae Crepis intermedia Gray hawksbeard Asteraceae Crepis modocensis Low hawksbeard Asteraceae Crepis nana Dwarf hawksbeard Asteraceae Crepis occidentalis Western hawksbeard Asteraceae Crepis runcinata Dandelion hawksbeard Asteraceae Crocidium multicaule Goldstar Asteraceae

Yakima County, Washington WNPS Plant Lists Page 10 of 33 Cryptantha affinis Slender cryptantha Boraginaceae Cryptantha ambigua Obscure cryptantha Boraginaceae Cryptantha circumscissa Matted cryptantha Boraginaceae Cryptantha fendleri Fendler's cryptantha Boraginaceae Cryptantha flaccida Weak-stem cryptantha Boraginaceae Cryptantha leucophaea Gray cryptantha Boraginaceae Cryptantha pterocarya Wing-nut cryptantha Boraginaceae Cryptantha rostellata Beaked cryptantha Boraginaceae Cryptantha scoparia Desert cryptantha Boraginaceae Cryptantha simulans Pine woods cryptantha Boraginaceae Cryptantha spiculifera Snake River cryptantha Boraginaceae Cryptantha torreyana Torrey's cryptantha Boraginaceae Cryptogramma cascadensis Cascade parsley fern Polypodiaceae Cryptogramma crispa Parsley fern Polypodiaceae Cucumis anguria* West Indies gherkin Cucurbitaceae Cuscuta approximata Alfalfa dodder Cuscutaceae Cuscuta cephalanthi Button-bush dodder Cuscutaceae Cuscuta pentagona Field dodder Cuscutaceae Cyanodon dactylon* Bermuda grass Poaceae Cymopteris terebinthinus Turpentine spring-parsley Apiaceae Cynoglossum officinale* Common hound's-tongue Boraginaceae Cyperus aristatus Awned flatsedge Cyperaceae Cyperus bipartitus Shining flatsedge Cyperaceae Cyperus erythrorhizos Red-root flatsedge Cyperaceae Cyperus rivularis Shining flatsedge Cyperaceae Cyperus strigosus Straw-colored flatsedge Cyperaceae Cypripedium fasciculatum Clustered lady's-slipper Orchidaceae Cypripedium montanum Mountain lady's-slipper Orchidaceae Cystopteris fragilis Fragile fern Polypodiaceae Dactylis glomerata* Orchard grass Poaceae Danthonia intermedia Timber oatgrass Poaceae Danthonia unispicata Few-flowered wild oatgrass Poaceae Daucus carota* Queen Anne's lace Apiaceae Delphinium andersonii Desert larkspur Ranunculaceae Delphinium burkei Meadow larkspur Ranunculaceae Delphinium distichum Two-spike larkspur Ranunculaceae Delphinium glareosum Rockslide larkspur Ranunculaceae Delphinium glaucum Pale larkspur Ranunculaceae Delphinium menziesii Mountain larkspur Ranunculaceae Delphinium multiplex Kittitas larkspur Ranunculaceae Delphinium nuttallianum Upland larkspur Ranunculaceae Delphinium trolliifolium Columbia larkspur Ranunculaceae Deschampsia atropurpurea Mountain hairgrass Poaceae Deschampsia caespitosa Tufted hairgrass Poaceae Deschampsia elongata Slender hairgrass Poaceae Descurainia pinnata Western tansymustard Brassicaceae

Yakima County, Washington WNPS Plant Lists Page 11 of 33 Descurainia richardsonii Mountain tansymustard Brassicaceae Descurainia sophia* Flixweed Brassicaceae Dianthus armeria* Grass pink Caryophyllaceae Dicentra formosa Bleeding heart Fumariaceae Dicentra uniflora Steer's head Fumariaceae Dipsacus sylvestris* Teasel Dipsacaceae Disporum hookeri Hooker fairy-bell Liliaceae Distichlis spicata Seashore salt grass Poaceae Distichlis stricta Alkali salt grass Poaceae Dodecatheon conjugens Desert shooting star Primulaceae Dodecatheon cusickii Cusick's shooting star Primulaceae Dodecatheon dentatum White shooting star Primulaceae Dodecatheon jeffreyi Jeffrey's shooting star Primulaceae Dodecatheon poeticum Narcissus shooting star Primulaceae Dodecatheon pulchellum Few-flowered shooting star Primulaceae Downingia elegans Showy downingia Campanulaceae Downingia yina Cascade downingia Campanulaceae Draba aureola Alpine draba Brassicaceae Draba densifolia Nuttall's draba Brassicaceae Draba incerta Yellowstone draba Brassicaceae Draba lonchocarpa Lancefruited draba Brassicaceae Draba nemerosa Wood's draba Brassicaceae Draba paysonii Payson's draba Brassicaceae Draba reptans Carolina draba Brassicaceae Draba stenoloba Slender draba Brassicaceae Draba verna Spring whitlow-grass Brassicaceae Drosera anglica Great sundew Droseraceae Dryas octopetala White dryas Rosaceae Dryopteris expansa Spreading wood-fern Polypodiaceae Dulichium arundinaceum Dulichium Cyperaceae Eatonella nivea White eatonella Asteraceae Echinochloa crusgalli* Barnyard grass Poaceae Echinochloa muricata* Barnyard grass Poaceae Elaeagnus angustifolia* Russian olive Elaeagnaceae Eleocharis acicularis Needle spike-rush Cyperaceae Eleocharis macrostachya Common spikerush Cyperaceae Eleocharis ovata Ovoid spike-rush Cyperaceae Eleocharis palustris Common spike-rush Cyperaceae Eleocharis pauciflora Few-flowered spike-rush Cyperaceae Eleocharis rostellata Beaked spikerush Cyperaceae Elmera racemosa Elmera Saxifragaceae Elymus canadensis Nodding wildrye Poaceae Elymus cinereus Giant rye grass Poaceae Elymus glaucus Western ryegrass Poaceae Elymus innovatus Downy ryegrass Poaceae Elymus lanceolatus Lance-leaf ryegrass Poaceae

Yakima County, Washington WNPS Plant Lists Page 12 of 33 Elymus triticoides Creeping wild rye Poaceae Epilobium alpinum Alpine willow-herb Onagraceae Epilobium angustifolium Fireweed Onagraceae Epilobium glaberrimum Smooth willow-herb Onagraceae Epilobium glandulosum Common willow-herb Onagraceae Epilobium latifolium Dwarf fireweed Onagraceae Epilobium luteum Yellow willow-herb Onagraceae Epilobium minutum Small-flowered willow-herb Onagraceae Epilobium obcordatum Rose willowherb Onagraceae Epilobium paniculatum Tall annual willow-herb Onagraceae Epilobium watsonii Watson's willow-herb Onagraceae Epipactis gigantea Giant helleborine Orchidaceae Equisetum arvense Common horsetail Equisetaceae Equisetum fluviatale Swamp horsetail Equisetaceae Equisetum hyemale Scouring rush Equisetaceae Equisetum laevigatum Smooth scouring-rush Equisetaceae Equisetum variegatum Northern scouringrush Equisetaceae Eragrostis hypnoides Creeping eragrostis Poaceae Eragrostis orcuttiana* Orcutt's lovegrass Poaceae Eriastrum sparsiflorum Few-flowered eriastrum Polemoniaceae Erigeron acris Bitter fleabane Asteraceae Erigeron annuus Annual fleabane Asteraceae Erigeron aureus Golden fleabane Asteraceae Erigeron basalticus Basalt daisy Asteraceae Erigeron bloomeri Scabland fleabane Asteraceae Erigeron chrysopsidis Austin's daisy Asteraceae Erigeron compositus Cut-leaved daisy Asteraceae Erigeron corymbosus Long-leaf fleabane Asteraceae Erigeron divergens Spreading daisy Asteraceae Erigeron filifolius Thread-leaf fleabane Asteraceae Erigeron inornatus Rayless daisy Asteraceae Erigeron leibergii Leiberg's fleabane Asteraceae Erigeron linearis Desert yellow daisy Asteraceae Erigeron lonchophyllus Spear-leaf fleabane Asteraceae Erigeron mexicana Mexican fleabane Asteraceae Erigeron peregrinus Subalpine daisy Asteraceae Erigeron piperianus Piper's daisy Asteraceae Erigeron poliospermus Cushion fleabane Asteraceae Erigeron pumilus Shaggy fleabane Asteraceae Erigeron speciosus Showy fleabane Asteraceae Erigeron subtrinervis Three-viened fleabane Asteraceae Eriogonum baileyi Bailey's buckwheat Polygonaceae Eriogonum compositum Northern buckwheat Polygonaceae Eriogonum douglasii Douglas' buckwheat Polygonaceae Eriogonum elatum Tall buckwheat Polygonaceae Eriogonum flavum Yellow buckwheat Polygonaceae

Yakima County, Washington WNPS Plant Lists Page 13 of 33 Eriogonum heracleoides Parsnip-flowered buckwheat Polygonaceae Eriogonum maculatum Spotted buckwheat Polygonaceae Eriogonum microthecum Slender buckwheat Polygonaceae Eriogonum niveum Snow buckwheat Polygonaceae Eriogonum nudum Barestem buckwheat Polygonaceae Eriogonum ovalifolium Oval-leaf buckwheat Polygonaceae Eriogonum pyrolifolium Alpine buckwheat Polygonaceae Eriogonum sphaerocephalum Rock buckwheat Polygonaceae Eriogonum strictum Strict buckwheat Polygonaceae Eriogonum thymoides Thyme-leaf buckwheat Polygonaceae Eriogonum umbellatum Sulfur buckwheat Polygonaceae Eriogonum vimineum Broom buckwheat Polygonaceae Eriophorum gracile Slender cottongrass Cyperaceae Eriophorum polystachion Narrow-leaved cottongrass Cyperaceae Eriophyllum lanatum Oregon sunshine Asteraceae Erodium cicutarium* Filaree Geraniaceae Erodium moschatum* Musky stork's-bill Geraniaceae Erysimum arenicola Mountain wallflower Brassicaceae Erysimum asperum Rough wallflower Brassicaceae Erysimum occidentale Pale wallflower Brassicaceae Erythronium grandiflorum Glacier lily Liliaceae Erythronium montanum Avalanche lily Liliaceae Euclidium syriacum* Syrian mustard Brassicaceae Euphrasia arctica Northern eye-bright Scrophulariaceae Eupatorium occidentale Western eupatorium Asteraceae Euphorbia glyptosperma Ribseed sandmat Euphorbiaceae Eurotia lanata Winterfat Chenopodiaceae Festuca arundinacea* Tall fescue Poaceae Festuca bromoides* Barren fescue Poaceae Festuca idahoensis Blue bunchgrass Poaceae Festuca microstachys Small fescue Poaceae Festuca occidentalis Western fescue Poaceae Festuca octoflora Slender fescue Poaceae Festuca ovina Sheep fescue Poaceae Festuca pratensis* Meadow fescue Poaceae Festuca rubra Red fescue Poaceae Festuca saximontana Rocky Mountain fescue Poaceae Festuca scabrella Rough fescue Poaceae Festuca viridula Green fescue Poaceae Festuca washingtonica Washington fescue Poaceae Filago arvensis* Filago Asteraceae Floerkea proserpinacoides False mermaid Limnanthaceae Fragaria chiloensis Coastal strawberry Rosaceae Fragaria vesca Wild strawberry Rosaceae Fragaria virginiana Woods strawberry Rosaceae Frasera albicaulis Columbia frasera Gentianaceae

Yakima County, Washington WNPS Plant Lists Page 14 of 33 Frasera speciosa Monument plant Gentianaceae Fritillaria lanceolata Chocolate lily Liliaceae Fritillaria pudica Yellow bell Liliaceae Gaillardia aristata Blanket-flower Asteraceae Galium aparine Cleavers Rubiaceae Galium asperrimum Rough bedstraw Rubiaceae Galium bifolium Low mountain bedstraw Rubiaceae Galium boreale Northern bedstraw Rubiaceae Galium multiflorum Shrubby bedstraw Rubiaceae Galium oreganum Oregon bedstraw Rubiaceae Galium serpenticum Bedstraw Rubiaceae Galium trifidum Small bedstraw Rubiaceae Galium triflorum Fragrant bedstraw Rubiaceae Gaultheria humifusa Alpine wintergreen Ericaceae Gaultheria ovatifolia Slender wintergreen Ericaceae Gaura parviflora Guara Onagraceae Gayophytum diffusum Spreading groundsmoke Onagraceae Gayophytum humile Dwarf groundsmoke Onagraceae Gayophytum racemosum Racemed groundsmoke Onagraceae Gayophytum ramosissimum Hairstem groundsmoke Onagraceae Gentiana calycosa Mountain bog gentian Gentianaceae Geranium carolinianum Wild geranium Geraniaceae Geranium viscosissimum Sticky geranium Geraniaceae Geum macrophyllum Large-leaved avens Rosaceae Geum triflorum Prairie smoke Rosaceae Gilia inconspicua Inconspicuous gilia Polemoniaceae Gilia leptomeria Great Basin gilia Polemoniaceae Gilia minutiflora Small-flowered gilia Polemoniaceae Gilia sinuata Obscure gilia Polemoniaceae Glyceria borealis Northern mannagass Poaceae Glyceria elata Tall mannagrass Poaceae Glyceria grandis Reed mannagrss Poaceae Glyceria striata Fowl mannagrass Poaceae Glycyrrhiza lepidota Licorice-root Fabaceae Gnaphalium chilense Cottonbatting cudweed Asteraceae Gnaphalium microcephalum Slender cudweed Asteraceae Gnaphalium palustre Lowland cudweed Asteraceae Gnaphalium viscosum Sticky cudweed Asteraceae Goodyera oblongifolia Rattlesnake-plantain Orchidaceae Gratiola neglecta American hedge-hyssop Scrophulariaceae Grindelia columbiana Columnia River gumweed Asteraceae Grindelia nana Low gumweed Asteraceae Grindelia squarrosa Resinweed Asteraceae Gymnocarpium dryopteris Oak fern Polypodiaceae Habenaria dilatata White bog-orchid Orchidaceae Habenaria elegans Elegant rein-orchid Orchidaceae

Yakima County, Washington WNPS Plant Lists Page 15 of 33 Habenaria hyperborea Northern green bog-or chid Orchidaceae Habenaria saccata Slender bog-orchid Orchidaceae Habenaria unalascensis Alaska rein-orchid Orchidaceae Hackelia arida Sagebrush stickseed Boraginaceae Hackelia diffusa Sagebrush stickseed Boraginaceae Hackelia micrantha Blue stickseed Boraginaceae Haplopappus bloomeri Rabbitbrush goldenweed Asteraceae Haplopappus carthemoides Large-flowered goldenweed Asteraceae Haplopappus greenei Greene's goldenweed Asteraceae Haplopappus hallii Hall's goldenweed Asteraceae Haplopappus lanuginosus Woolly goldenweed Asteraceae Haplopappus lyallii Lyall's goldenweed Asteraceae Haplopappus resinosus Columbia goldenweed Asteraceae Haplopappus stenophyllus Narrow-leaf goldenweed Asteraceae Helianthella uniflora Little-sunflower Asteraceae Helianthus annuus* Common sunflower Asteraceae Helianthus ciliaris* Texas blueweed Asteraceae Helianthus cusickii Cusick's sunflower Asteraceae Helianthus nuttallii Nuttall's sunflower Asteraceae Heliotropium curassavicum Salt heliotrope Boraginaceae Hemicarpha micrantha Small-fowered hemicarpha Cyperaceae Hemitomes congestum Gnome-plant Ericaceae Heracleum lanatum Cow parsnip Apiaceae Hesperochiron californicus California hesperochiron Hydrophyllaceae Hesperochiron pumilis Dwarf hesperochiron Hydrophyllaceae Heterocodon rariflorum Heterocodon Campanulaceae Heuchera cylindrica Lava alumroot Saxifragaceae Heuchera glabra Smooth alumroot Saxifragaceae Heuchera micrantha Small-flowered alumroot Saxifragaceae Hieracium albertinum Western hawkweed Asteraceae Hieracium albiflorum White-flowered hawkweed Asteraceae Hieracium canadense Canada hawkweed Asteraceae Hieracium cynoglossoides Hounds-tongue hawkweed Asteraceae Hieracium gracile Slender hawkweed Asteraceae Hieracium scouleri Scouler's hawkweed Asteraceae Hieracium umbellatum Narrow-leaf hawkweed Asteraceae Hierochloe odorata Sweetgrass Poaceae Hippuris vulgaris Mare's tail Hippuridacee Holcus lanatus* Common velvet grass Poaceae Holodiscus discolor Ocean spray Rosaceae Holosteum umbellatum* Jagged chickweed Caryophyllaceae Hordeum brachyantherum Meadow barley Poaceae Hordeum depressum Low barley Poaceae Hordeum geniculatum* Meadow barley Poaceae Hordeum glaucum* Seagreen barley Poaceae Hordeum jubatum Foxtail barley Poaceae

Yakima County, Washington WNPS Plant Lists Page 16 of 33 Hordeum murinum* Foxtail Poaceae Hordeum vulgare* Cultivated barley Poaceae Hulsea nana Dwarf hulsea Asteraceae Humulus lupulus* Hops Moraceae Hutchinsia procumbens Hutchinsia Brassicaceae Hydrophyllum capitatum Woolly breeches Hydrophyllaceae Hydrophyllum fendleri Fendler's waterleaf Hydrophyllaceae Hydrophyllum tenuipes Pacific waterleaf Hydrophyllaceae Hymenopappus filifolius Columbia cutleaf Asteraceae Hypericum anagalloides Bog St. John's-wort Hypericaceae Hypericum formosum Western St.John's-wort Hypericaceae Hypericum perforatum* Klamath weed Hypericaceae Hypopites monotropa Many-flowered Indian pipe Ericaceae Idahoa scapigera Scalepod Brassicaceae Iliamna rivularis Streambank globemallow Malvaceae Ipomopsis aggregata Skyrocket Polemoniaceae Iris misouriensis Western blue flag Iridaceae Isoetes bolanderi Bolander's quillwort Isoetacae Isoetes echniospora Spiny-spored quillwort Isoetacae Iva axillaris Poverty weed Asteraceae Iva xanthifolia Tall marsh-elder Asteraceae Ivesia gordonii Gordon's ivesia Rosaceae Ivesia tweedyi Tweedy's ivesia Rosaceae Juncus acuminatus Tapered rush Juncaceae Juncus articulatus Jointed rush Juncaceae Juncus balticus Baltic rush Juncaceae Juncus bufonius* Toad rush Juncaceae Juncus covillei Coville's rush Juncaceae Juncus drummondii Drummond's rush Juncaceae Juncus ensifolius Daggerleaf rush Juncaceae Juncus longistylus Long-beaked rush Juncaceae Juncus mertensianus Merten's rush Juncaceae Juncus nevadensis Sierra rush Juncaceae Juncus parryi Parry's rush Juncaceae Juncus regelii Regel's rush Juncaceae Juncus tenuis Slender rush Juncaceae Juncus torreyi Torrey's rush Juncaceae Juniperus communis Mountain juniper Cupressaceae Juniperus occidentalis Western juniper Cupressaceae Juniperus scopulorum Rocky Mountain juniper Cupressaceae Kalmia microphylla Alpine laurel Ericaceae Kelloggia galioides Kelloggia Rubiaceae Kochia scoparia* Summer cypress Chenopodiaceae Koelaria cristata Prairie junegrass Poaceae Lactuca muralis* Wall lettuce Asteraceae Lactuca pulchella Blue lettuce Asteraceae

Yakima County, Washington WNPS Plant Lists Page 17 of 33 Lactuca serriola* Prickly lettuce Asteraceae Lagophylla ramosissima Common hareleaf Asteraceae Lamium amplexicaule* Henbit Lamiaceae Lappula occidentalis Flat-stem stickseed Boraginaceae Lappula redowskii Western stickseed Boraginaceae Larix lyallii Subalpine larch Pinaceae Larix occidentalis Western larch Pinaceae Lathyrus angulatus* Angled pea Fabaceae Lathyrus lanszwertii Thick-leaved peavine Fabaceae Lathyrus nevadensis Nuttall's peavine Fabaceae Lathyrus palustris Marsh peavine Fabaceae Lathyrus pauciflorus Few-flowered peavine Fabaceae Lathyrus polyphyllus Leafy peavine Fabaceae Layia glandulosa Tidytips Asteraceae Ledum glandulosum Trapper's tea Ericaceae Leersia oryzoides Cutgrass Poaceae Lemna minor Common duckweed Lemnaceae Lepidium densiflorum Common pepperweed Brassicaceae Lepidium dictyotum Vieny peppergrass Brassicaceae Lepidium latifolium* Broadleaf pepperweed Brassicaceae Lepidium perfoliatum* Clasping peppergrass Brassicaceae Lepidium virginicum* Tall pepperweed Brassicaceae Leptarrhena pyrolifolia Leatherleaf saxifrage Saxifragaceae Leptodactylon pungens Prickly phlox Polemoniaceae Lesquerella douglasii Columbia bladderpod Brassicaceae Lesquerella occidentalis Western baldderpod Brassicaceae Lewisia columbiana Columbia lewisia Portulacaceae Lewisia pygmaea Dwarf lewisia Portulacaceae Lewisia rediviva Bitterroot Portulacaceae Lewisia triphylla Three-leaf lewisia Portulacaceae Ligusticum canbyi Canby's lovage Apiaceae Ligusticum grayi Gray's lovage Apiaceae Lilium columbianum Tiger lily Liliaceae Limosella aquatica Mudwort Scrophulariaceae Linanthus harknessii Harkness' linanthus Polemoniaceae Linanthus pharnaceoides Theadleaf linanthus Polemoniaceae Linanthus septentrionalis Northern linanthus Polemoniaceae Linaria dalmatica* Dalmatian toad-flax Scrophulariaceae Lindernia anagallidea False pimpernel Scrophulariaceae Linnaea borealis Twinflower Caprifoliaceae Linum perenne Wild blue-flax Linaceae Listera caurina Northwestern twayblade Orchidaceae Listera convallarioides Broad-lipped twayblade Orchidaceae Lithophragma bulbifera Rocket-star Saxifragaceae Lithophragma glabra Smooth woodlandstar Saxifragaceae Lithophragma parviflora Small-flowered prairie-star Saxifragaceae

Yakima County, Washington WNPS Plant Lists Page 18 of 33 Lithophragma tenella Slender fringecup Saxifragaceae Lithospermum arvense* Corn gromwell Boraginaceae Lithospermum ruderale Columbia puccoon Boraginaceae Lobelia kalmii Brook lobelia Campanulaceae Lomatium ambiguum Swale desert-parsley Apiaceae Lomatium brandegei Brandegee's lomatium Apiaceae Lomatium canbyi Canby's desert-parsley Apiaceae Lomatium columbianum Columbia desert-parsley Apiaceae Lomatium dissectum Fern-leaf biscuit-root Apiaceae Lomatium farinosum Coeur d'Alene desert-parsley Apiaceae Lomatium geyeri Geyer's desert-parsley Apiaceae Lomatium gormanii Gorman's desert-parsley Apiaceae Lomatium grayi Gray's desert-parsley Apiaceae Lomatium hambleniae Hamblen's desert-parsley Apiaceae Lomatium macrocarpum Large-fruited lomatium Apiaceae Lomatium martindalei Few-flowered lomatium Apiaceae Lomatium nudicaule Pestle parsnip Apiaceae Lomatium piperi Piper's bisciut-root Apiaceae Lomatium quintuplex Umtanum Ridge lomatium Apiaceae Lomatium triternatum Nine-leaf lomatium Apiaceae Lomatium tuberosum Hoover's desert-parsley Apiaceae Lomatium watsonii Watson's desert parsley Apiaceae Lonicera caerulea Bluefly honeysuckle Caprifoliaceae Lonicera ciliosa Orange honeysuckle Caprifoliaceae Lonicera conjugialis Double honeysuckle Caprifoliaceae Lonicera involucrata Black twinberry Caprifoliaceae Lotus corniculatus* Birdsfoot trefoil Fabaceae Lotus nevadensis Nevada deervetch Fabaceae Lotus purshiana Spanish clover Fabaceae Luetkea pectinata Partridge foot Rosaceae Luina hypoleuca Silverback luina Asteraceae Luina nardosmia Silvercrown luina Asteraceae Luina stricta Tongue-leaf luina Asteraceae Lupinus albicaulis Sickle-keeled lupine Fabaceae Lupinus alpicola Mt. Adams lupine Fabaceae Lupinus amphibius Amphibious lupine Fabaceae Lupinus argenteus Silvery lupine Fabaceae Lupinus cottoni Cotton's lupine Fabaceae Lupinus latifolius Broad-leaf lupine Fabaceae Lupinus laxiflorus Spurred lupine Fabaceae Lupinus lepidus Prairie lupine Fabaceae Lupinus leucophyllus Velvet lupine Fabaceae Lupinus lyallii Alpine lupine Fabaceae Lupinus polyphyllus Big-leaf lupine Fabaceae Lupinus pusillus Annual lupine Fabaceae Lupinus saxosus Rock lupine Fabaceae

Yakima County, Washington WNPS Plant Lists Page 19 of 33 Lupinus sericeus Silky lupine Fabaceae Lupinus subvexus Valley lupine Fabaceae Lupinus sulphureus Sulphur lupine Fabaceae Lupinus wyethii Wyeth's lupine Fabaceae Luzula arcuata Curved woodrush Juncaceae Luzula campestris Field woodrush Juncaceae Luzula hitchcockii Smooth woodrush Juncaceae Luzula parviflora Small-flowered woodrush Juncaceae Luzula piperi Piper's woodrush Juncaceae Luzula spicata Spiked woodrush Juncaceae Lychnus alba* White campion Caryophyllaceae Lycium halimifolium* Matrimony vine Solanaceae Lycopodium clavatum Running clubmoss Lycopodiaceae Lycopodium selago Fir clubmoss Lycopodiaceae Lycopodium sitchense Alaska clubmoss Lycopodiaceae Lycopus americanus Water hoarhound Lamiaceae Lycopus asper Rough bugleweed Lamiaceae Lysichiton americanus Skunk cabbage Araceae Lysimachia ciliata Fringed loosestrife Primulaceae Lysimachia thrysiflora Tufted loosestrife Primulaceae Lythrum salicaria* Purple loosestrife Lythraceae Machaeranthera canescens Hoary aster Asteraceae Madia exigua Little tarweed Asteraceae Madia glomerata Mountain tarweed Asteraceae Madia gracilis Common tarweed Asteraceae Madia minima Small-head tarweed Asteraceae Madia sativa Coast tarweed Asteraceae Maianthemum dilatatum False lily-of-the-valley Liliaceae Malva neglecta* Dwarf mallow Malvaceae Malva sylvestris* Common mallow Malvaceae Marrubium vulgare* Horehound Lamiaceae Matricaria matricarioides* Pineapple weed Asteraceae Medicago hispida* Alfalfa Fabaceae Medicago lupulina* Black medic Fabaceae Medicago sativa* Alfalfa Fabaceae Melica bulbosa Oniongrass Poaceae Melica fugax Little oniongrass Poaceae Melica spectabilis Showy oniongrass Poaceae Melica subulata Alaska oniongrass Poaceae Melilotus alba* White sweet-clover Fabaceae Melilotus officinalis* Yellow sweet-clover Fabaceae Mentha arvensis Field mint Lamiaceae Mentha spicata* Spearmint Lamiaceae Mentzelia albicaulis White-stemmed mentzelia Loasaceae Mentzelia dispersa Bushy mentzelia Loasaceae Mentzelia laevicaulis Blazingstar Loasaceae

Yakima County, Washington WNPS Plant Lists Page 20 of 33 Menyanthes trifoliata Buckbean Menyanthaceae Menziesia ferruginea Fool's huckleberry Ericaceae Mertensia ciliata Broad-leaf bluebells Boraginaceae Mertensia longiflora Small bluebells Boraginaceae Mertensia oblongifolia Leafy bluebells Boraginaceae Mertensia paniculata Tall bluebells Boraginaceae Mertensia platyphylla Boradleaf bluebells Boraginaceae Mertensia umbratilis Shade bluebells Boraginaceae Microseris alpestris Alpine lake agoseris Asteraceae Microseris laciniata Cut-leaved microseris Asteraceae Microseris nutans Nodding microseris Asteraceae Microseris troximoides Wavyleaf microseris Asteraceae Microsteris gracilis Pink microsteris Polemoniaceae Mimetanthe pilosa Flase monkey-flower Scrophulariaceae Mimetanthe villosa Downy monkey-flower Scrophulariaceae Mimulus alsinoides Chickweed monkey-flower Scrophulariaceae Mimulus breviflorus Short-flowered monkey-flower Scrophulariaceae Mimulus breweri Brewer's monkey-flower Scrophulariaceae Mimulus cardinalis* Red monkey-flower Scrophulariaceae Mimulus floribundus Purple-stem monkey-flower Scrophulariaceae Mimulus gutattus Common monkey-flower Scrophulariaceae Mimulus lewisii Lewis's monkey-flower Scrophulariaceae Mimulus moschatus Musk-flower Scrophulariaceae Mimulus nanus Dwarf purple monkey-flower Scrophulariaceae Mimulus primuloides Primrose monkey-flower Scrophulariaceae Mimulus suksdorfii Suksdorf's monkey-flower Scrophulariaceae Mimulus tilingii Mountain monkey-flower Scrophulariaceae Mitella breweri Brewer's mitrewort Saxifragaceae Mitella caulescens Leafy mitrewort Saxifragaceae Mitella pentandra Alpine mitrewort Saxifragaceae Mitella trifida Three-tooth mitrewort Saxifragaceae Mollugo verticillata Carpetweed Aizoaceae Monardella odoratissima Mountain monardella Lamiaceae Monardella villosa* Coyote mint Lamiaceae Moneses uniflora Woodnymph Ericaceae Monolepis pusilla Poverty weed Chenopodiaceae Montia chamissoi Water montia Portulacaceae Montia cordifolia Broad-leafed montia Portulacaceae Montia fontana Water chickweed Portulacaceae Montia linearis Narrow-leaf montia Portulacaceae Montia parvifolia Streambank spring beauty Portulacaceae Montia perfoliata Miner's lettuce Portulacaceae Montia siberica Candyflower Portulacaceae Morus alba* White mulberry Moraceae Muhlenbergia asperifolia Rough-leaf dropseed Poaceae Muhlenbergia filiformis Slender muhlenbergia Poaceae

Yakima County, Washington WNPS Plant Lists Page 21 of 33 Muhlenbergia minutissima Annual muhly Poaceae Muhlenbergia racemosa Satin-grass Poaceae Muhlenbergia richardsonis Mat muhly Poaceae Myosotis laxa Small-flowered forget-me-not Boraginaceae Myosurus aristatus Sedge mousetail Ranunculaceae Myosurus minimus Common mousetail Ranunculaceae Myriophyllum elatinoides Waterwort water-milfoil Haloragaceae Myriophyllum spicatum* Spiked water-milfoil Haloragaceae Nama densum Purplemat Hydrophyllaceae Navarretia breweri Yellow navarretia Polemoniaceae Navarretia divaricata Mountain navarretia Polemoniaceae Navarretia intertexta Needle-leaf navarretia Polemoniaceae Nemophila breviflora Great Basin nemophila Hydrophyllaceae Nemophila parviflora Small-flowered nemophila Hydrophyllaceae Nepeta cataria* Catnip Lamiaceae Neslia paniculata* Neslia Brassicaceae Nicotiana attenuata Coyote tobacco Solanaceae Nothochelone nemerosa Woodland beard-tongue Scrophulariaceae Nuphar polysepalum Pond lily Nymphaeaceae Oenanthe sarmentosa Water parsley Apiaceae Oenothera andina Tiny evening-primrose Onagraceae Oenothera biennis* Common evening-primrose Onagraceae Oenothera caespitosa Desert rockrose Onagraceae Oenothera flava Yellow evening-primrose Onagraceae Oenothera hilgardii Hilgard's evening-primrose Onagraceae Oenothera hookeri Hooker's evening-primrose Onagraceae Oenothera minor Small-flowered e-p Onagraceae Oenothera pallida White-stemmed e-p Onagraceae Oenothera parvula Small evening-primrose Onagraceae Oenothera pygmaea Dwarf evening-primrose Onagraceae Oenothera strigosa* Common evening-primrose Onagraceae Oenothera subacaulis Long-leaf evening-primrose Onagraceae Onopordum acanthium* Scotch thistle Asteraceae Oplopanax horridum Devil's club Araliaceae Opuntia polyacantha Prickly pear Cactaceae Orobanche californica California broomrape Orobanchaceae Orobanche corymbosa Flat-topped broomrape Orobanchaceae Orobanche fasciculata Clustered broomrape Orobanchaceae Orobanche ludoviciana Suksdorf's broomrape Orobanchaceae Orobanche pinorum Pine broomrape Orobanchaceae Orobanche uniflora Naked broom-rape Orobanchaceae Orogenia linearifolia Great Basin orogenia Apiaceae Orthocarpus barbatus Grand Coulee owl-clover Scrophulariaceae Orthocarpus hispidus Hairy owl-clover Scrophulariaceae Oryzopsis hendersonii Henderson ricegrass Poaceae Oryzopsis hymenoides Indian ricegrass Poaceae

Yakima County, Washington WNPS Plant Lists Page 22 of 33 Osmorhiza berteroi Berter's swee-cicely Apiaceae Osmorhiza chilensis Mountain sweet-cicely Apiaceae Osmorhiza occidentalis Western sweet-cicely Apiaceae Osmorhiza purpurea Purple sweet-cicely Apiaceae Oxyria digyna Mountain sorrel Polygonaceae Oxytheca dendroides False buckwheat Polygonaceae Pachistima myrsinites Mountain box Celastraceae Paeonia brownii Wild peony Paeoniaceae Panicum capillare* Old witchgrass Poaceae Panicum miliaceum* Broomcorn millet Poaceae Panicum occidentale Western witchgrass Poaceae Parietaria pennsylvanica Pellitory Urticaceae Parnassia fimbriata Fringed grass-of-parnassus Saxifragaceae Parthenocissus quinquefolia* Virginia creeper Vitaceae Parthenocissus vitacaea* Woodbine Vitaceae Pastinaca sativa* Parsnip Apiaceae Pectocarya linearis Winged combseed Boraginaceae Pectocarya setosa Bristly combseed Boraginaceae Pedicularis bracteosa Bracted lousewort Scrophulariaceae Pedicularis contorta Coiled lousewort Scrophulariaceae Pedicularis groenlandica Elephant's head Scrophulariaceae Pedicularis ornithoryncha Bird's-beak lousewort Scrophulariaceae Pedicularis racemosa Sickletop lousewort Scrophulariaceae Pedicularis rainierensis Mt. Rainier lousewort Scrophulariaceae Pediocactus simpsonii Hedgehog cactus Cactaceae Penstemon acuminatus Sand-dune penstemon Scrophulariaceae Penstemon attenuatus Sulfur penstemon Scrophulariaceae Penstemon cardwellii Cardwell's penstemon Scrophulariaceae Penstemon confertus Yellow penstemon Scrophulariaceae Penstemon davidsonii Davidson's penstemon Scrophulariaceae Penstemon euglaucus Glaucous penstemon Scrophulariaceae Penstemon fruticosus Shrubby penstemon Scrophulariaceae Penstemon gairdneri Gairdner's penstemon Scrophulariaceae Penstemon glandulosus Glandular penstemon Scrophulariaceae Penstemon humilus Lowly penstemon Scrophulariaceae Penstemon procerus Small-flowered penstemon Scrophulariaceae Penstemon pruinosus Chelan penstemon Scrophulariaceae Penstemon richardsonii Richardson's penstemon Scrophulariaceae Penstemon rupicola Cliff penstemon Scrophulariaceae Penstemon rydbergii Rydberg's penstemon Scrophulariaceae Penstemon serrulatus Cascade penstemon Scrophulariaceae Penstemon speciosus Showy penstemon Scrophulariaceae Penstemon subserratus Fine-tooth penstemon Scrophulariaceae Perideridia gairdneri Yampah Apiaceae Perideridia oregana Oregon yampah Apiaceae Petalostemon ornatum Western prairie-clover Fabaceae

Yakima County, Washington WNPS Plant Lists Page 23 of 33 Petasites frigidus Alpine sweet coltsfoot Asteraceae Petasites sagittatus Arrowleaf coltsfoot Asteraceae Phacelia glandulifera Sticky phacelia Hydrophyllaceae Phacelia hastata White-leaf phacelia Hydrophyllaceae Phacelia heterophylla Varileaf phacelia Hydrophyllaceae Phacelia humilus Low phacelia Hydrophyllaceae Phacelia linearis Thread-leaf phacelia Hydrophyllaceae Phacelia nemoralis Woodland phacelia Hydrophyllaceae Phacelia procera Tall phacelia Hydrophyllaceae Phacelia ramosissima Branched phacelia Hydrophyllaceae Phacelia sericea Silky phacelia Hydrophyllaceae Phalaris arundinacea* Reed canarygrass Poaceae Philadelphus lewisii Mock-orange Hydrangeaceae Phleum alpinum Alpine timothy Poaceae Phleum pratense* Timothy Poaceae Phlox caespitosa Tufted phlox Polemoniaceae Phlox colubrina Snake River phlox Polemoniaceae Phlox diffusa Spreading phlox Polemoniaceae Phlox hendersonii Henderson's phlox Polemoniaceae Phlox hoodii Hood's phlox Polemoniaceae Phlox longifolia Long-leaf phlox Polemoniaceae Phlox speciosa Showy phlox Polemoniaceae Phlox viscida Sticky phlox Polemoniaceae Phoenicaulis chieranthoides Daggerpod Brassicaceae Phragmites communis Common reed Poaceae Phyllodoce empetriformis Red mountain heather Ericaceae Phyllodoce glanduliflora Yellow heather Ericaceae Physalis longifolia Long-leaf ground-cherry Solanaceae Physalis philadelphica* Mexican ground-cherry Solanaceae Physalis pubescens* Low hairy ground-cherry Solanaceae Physaria alpestris Alpine twinpod Brassicaceae Physocarpus malvaceus Mallow ninebark Rosaceae Picea engalmannii Engelmann spruce Pinaceae Pinguicula vulgaris Butterwort Lentibulariaceae Pinus albicaulis White-bark pine Pinaceae Pinus contorta Lodgepole pine Pinaceae Pinus monticola Western white pine Pinaceae Pinus ponderosa Ponderosa pine Pinaceae Plagiobothrys figuratus Fragrant popcorn-flower Boraginaceae Plagiobothrys hispidus Bristly popcorn-flower Boraginaceae Plagiobothrys scouleri Scouler's popcorn-flower Boraginaceae Plagiobothrys sp. Popcorn-flower Boraginaceae Plagiobothrys tenellus Slender popcorn-flower Boraginaceae Plantago lanceolata* English plantain Plantaginaceae Plantago major* Common plantain Plantaginaceae Plantago patagonica Candleweed Plantaginaceae

Yakima County, Washington WNPS Plant Lists Page 24 of 33 Plectritus macrocera White plectritus Valerianaceae Pleuropogon refractus Nodding semaphore-grass Poaceae Poa alpina Alpine bluegrass Poaceae Poa annua Annual bluegrass Poaceae Poa arida Dryland bluegrass Poaceae Poa bulbosa* Bulbous bluegrass Poaceae Poa canbyi Canby's bluegrass Poaceae Poa cusickii Cusick's bluegrass Poaceae Poa gracillima Slender bluegrass Poaceae Poa juncifolia Alkali bluegrass Poaceae Poa leptocoma Bog bluegrass Poaceae Poa lettermanii Letterman's bluegrass Poaceae Poa nervosa Wheeler's bluegrass Poaceae Poa nevadensis Nevada bluegrass Poaceae Poa palustris* Fowl meadow-grass Poaceae Poa pratensis* Kentucky bluegrass Poaceae Poa sandbergii Sandberg's bluegrass Poaceae Poa scabrella Pine bluegrass Poaceae Poa secunda Merrill's bluegrass Poaceae Poa stenantha Northern bluegrass Poaceae Poa suksdorfii Suksdorf's bluegrass Poaceae Polemonium californicum California Jacob's-ladder Polemoniaceae Polemonium carneum Great polemonium Polemoniaceae Polemonium elegans Elegant polemonium Polemoniaceae Polemonium micranthum Littlebells polemonium Polemoniaceae Polemonium occidentale Western polemonium Polemoniaceae Polemonium pulcherrimum Showy Jacob's ladder Polemoniaceae Polygonum amphibium Water smartweed Polygonaceae Polygonum aviculare* Doorweed Polygonaceae Polygonum bistortoides Mountain bistort Polygonaceae Polygonum convolvulus* Black bindweed Polygonaceae Polygonum douglasii Douglas' knotweed Polygonaceae Polygonum erectum Erect knotweed Polygonaceae Polygonum hydropiper Marshpepper smartweed Polygonaceae Polygonum hydropiperoides Waterpepper Polygonaceae Polygonum kelloggii Kellogg's knotweed Polygonaceae Polygonum lapathifolium* Willow weed Polygonaceae Polygonum majus Wiry knotweed Polygonaceae Polygonum minimum Leafy dwarf knotweed Polygonaceae Polygonum newberryi Newberry's knotweed Polygonaceae Polygonum persicaria* Heartweed Polygonaceae Polygonum phytolaccaefolium Alpine knotweed Polygonaceae Polygonum polygaloides Whitemargined knotweed Polygonaceae Polygonum punctatum Water smartweed Polygonaceae Polygonum sawatchense Sawatch knotweed Polygonaceae Polypodium glycyrrhiza Licorice fern Polypodiaceae

Yakima County, Washington WNPS Plant Lists Page 25 of 33 Polypodium hesperium Western polypody Polypodiaceae Polypogon monspeliensis* Rabbitfoot grass Poaceae Polystichum imbricans Christmas-fern Polypodiaceae Polystichum kruckebergii Kruckeberg's sword-fern Polypodiaceae Polystichum lonchitis Holly fern Polypodiaceae Polystichum mohrioides Shasta fern Polypodiaceae Polystichum munitum Sword fern Polypodiaceae Polystichum scopulinum Rock sword-fern Polypodiaceae Populus deltoides* Plain's cottonwood Salicaceae Populus tremuloides Quaking aspen Salicaceae Populus trichocarpa Black cottonwood Salicaceae Potamogeton crispus Curled pondweed Potamogetonaceae Potamogeton filiformis Slender-leaved pondweed Potamogetonaceae Potamogeton foliosus Closed-leaved pondweed Potamogetonaceae Potamogeton friesii Flat-stalked pondweed Potamogetonaceae Potamogeton gramineus Grass-leaved pondweed Potamogetonaceae Potamogeton pusillus Small pondweed Potamogetonaceae Potentilla anserina Common silverweed Rosaceae Potentilla arguta Tall cinquefoil Rosaceae Potentilla biennis Biennial cinquefoil Rosaceae Potentilla brewerii Brewer's cinquefoil Rosaceae Potentilla drummondii Drummond's cinquefoil Rosaceae Potentilla flabellifolia Fan-leaf cinquefoil Rosaceae Potentilla fruticosa Shrubby cinquefoil Rosaceae Potentilla glandulosa Sticky cinquefoil Rosaceae Potentilla gracilis Graceful cinquefoil Rosaceae Potentilla palustris Marsh cinquefoil Rosaceae Potentilla rivalis Brook cinquefoil Rosaceae Prunella vulgaris Self-heal Lamiaceae Prunus armeniaca* Apricot Rosaceae Prunus emarginata Bitter cherry Rosaceae Prunus virginiana Chokecherry Rosaceae Pseudotsuga menziesii Douglas fir Pinaceae Psoralea lanceolata Dune scurf-pea Fabaceae Pteridium aquilinum Bracken Polypodiaceae Pterospora andromedea Pinedrops Ericaceae Puccinellia distans* Graceful alkaligrass Poaceae Puccinellia pauciflora Weak alkaligrass Poaceae Purshia tridentata Bitterbrush Rosaceae Pyrola asarifolia Pink wintergreen Ericaceae Pyrola chlorantha Green wintergreen Ericaceae Pyrola dentata Toothleaf pyrola Ericaceae Pyrola minor Snowline pyrola Ericaceae Pyrola picta White-veined wintergreen Ericaceae Pyrola secunda One-sided wintergreen Ericaceae Pyrus malus* Apple Rosaceae

Yakima County, Washington WNPS Plant Lists Page 26 of 33 Quercus garryana Oregon white oak Fagaceae Ranunculus alismaefolius Water-plantain buttercup Ranunculaceae Ranunculus aquatilis Water buttercup Ranunculaceae Ranunculus cymbalaria Shore buttercup Ranunculaceae Ranunculus eschscholtzii Snow buttercup Ranunculaceae Ranunculus flammula Lesser spearwort Ranunculaceae Ranunculus gelidus Arctic buttercup Ranunculaceae Ranunculus glaberrimus Sagebrush buttercup Ranunculaceae Ranunculus orthorhynchus Straight-beak buttercup Ranunculaceae Ranunculus populago Mountain buttercup Ranunculaceae Ranunculus repens* Creeping buttercup Ranunculaceae Ranunculus sceleratus Celery-leaved buttercup Ranunculaceae Ranunculus testiculatus* Hornseed buttercup Ranunculaceae Ranunculus uncinatus Little buttercup Ranunculaceae Rhamnus purshiana Cascara Rhamnaceae Rhododendron albiflorum White rhododendron Ericaceae Rhus glabra Sumac Anacardiaceae Rhus radicans Poison ivy Anacardiaceae Ribes aureum Golden currant Grossulariaceae Ribes bracteosum Stink currant Grossulariaceae Ribes cereum Wax currant Grossulariaceae Ribes howellii Maple-leaf currant Grossulariaceae Ribes hudsonianum Northern black currant Grossulariaceae Ribes inerme Whitestem gooseberry Grossulariaceae Ribes lacustre Prickly currant Grossulariaceae Ribes lobbii Gummy gooseberry Grossulariaceae Ribes montigenum Alpine prickly currant Grossulariaceae Ribes sanguinium Red-flowered currant Grossulariaceae Ribes triste Wild red currant Grossulariaceae Ribes viscosissimum Sticky currant Grossulariaceae Ribes watsonianum Watson gooseberry Grossulariaceae Robinia pseudoacacia* Black locust Fabaceae Romanzoffia sitchensis Sitka mistmaiden Hydrophyllaceae Rorippa curvisiliqua Western yellowcress Brassicaceae Rorippa islandica Marsh yellowcress Brassicaceae Rorippa nasturtium-aquaticum* Water cress Brassicaceae Rosa eglanteria* Sweetbrier Rosaceae Rosa gymnocarpa Baldhip rose Rosaceae Rosa nutkana Nootka rose Rosaceae Rosa woodsii Wood's rose Rosaceae Rubus discolor* Himalayan blackberry Rosaceae Rubus laciniatus* Evergreen blackberry Rosaceae Rubus lasiococcus Dwarf bramble Rosaceae Rubus leucodermis Blackcap Rosaceae Rubus parviflorus Thimbleberry Rosaceae Rubus pedatus Strawberry bramble Rosaceae

Yakima County, Washington WNPS Plant Lists Page 27 of 33 Rubus spectabilus Salmonberry Rosaceae Rubus ursinus Wild blackberry Rosaceae Rumex acetocella* Sheep sorrel Polygonaceae Rumex crispus* Sour dock Polygonaceae Rumex obtusifolius* Broad-leaved dock Polygonaceae Rumex salicifolius Willow dock Polygonaceae Rumex venosus Winged dock Polygonaceae Sagina saginoides Alpine pearlwort Caryophyllaceae Salix alba* White willow Salicaceae Salix amygdaloides Peachleaf willow Salicaceae Salix barclayi Barclay's willow Salicaceae Salix drummondiana Drummond's willow Salicaceae Salix exigua Coyote willow Salicaceae Salix fluviatilis Columbia River willow Salicaceae Salix geyeriana Geyer willow Salicaceae Salix lasiandra Pacific willow Salicaceae Salix lasiolepis Arroyo willow Salicaceae Salix pedicellaris Bog willow Salicaceae Salix phylicifolia Tea-leaved willow Salicaceae Salix piperi Piper's willow Salicaceae Salix planifolia Diamond-leaf willow Salicaceae Salix rigida Mackenzie willow Salicaceae Salix scouleriana Scouler willow Salicaceae Salix sitchensis Sitka willow Salicaceae Salsola kali* Russian thistle Chenopodiaceae Salvia dorrii Gray ball sage Lamiaceae Sambucus cerulea Blue elderberry Caprifoliaceae Sambucus racemosa Red elderberry Caprifoliaceae Sanguisorba minor* Small burnet Rosaceae Sanguisorba sitchensis Sitka burnet Rosaceae Sanicula graveolens Sierra sanicle Apiaceae Saponaria officinalis* Bouncing Bett Caryophyllaceae Sarcobatus vermiculatus Greasewood Chenopodiaceae Satureja douglasii Yerba buena Lamiaceae Saussurea americana American sawwort Asteraceae Saxifraga arguta Brook saxifrage Saxifragaceae Saxifraga bronchialis Spotted saxifrage Saxifragaceae Saxifraga caespitosa Tufted saxifrage Saxifragaceae Saxifraga ferruginea Rusty saxifrage Saxifragaceae Saxifraga integrifolia Grassland saxifrage Saxifragaceae Saxifraga marshallii Marshall's sxifrage Saxifragaceae Saxifraga mertensiana Merten's saxifrage Saxifragaceae Saxifraga nidifica Nesting saxifrage Saxifragaceae Saxifraga occidentalis Western saxifrage Saxifragaceae Saxifraga oregana Bog saxifrage Saxifragaceae Saxifraga punctata Dotted saxifrage Saxifragaceae

Yakima County, Washington WNPS Plant Lists Page 28 of 33 Saxifraga tolmiei Alpine saxifrage Saxifragaceae Schoenocrambe linifolia Plains mustard Brassicaceae Scirpus acutus Hard-stem bulrush Cyperaceae Scirpus americanus Three-square bulrush Cyperaceae Scirpus caespitosus Tufted clubrush Cyperaceae Scirpus microcarpus Small-flowered bulrush Cyperaceae Scirpus nevadensis Nevada bulrush Cyperaceae Scrophularia lanceolata Lance-leaf figwort Scrophulariaceae Secaule cereale* Rye Poaceae Sedum divergens Spreading stonecrop Crassulaceae Sedum lanceolatum Lance-leaved stonecrop Crassulaceae Sedum leibergii Leiberg's stonecrop Crassulaceae Sedum oreganum Oregon stonecrop Crassulaceae Sedum roseum King's crown Crassulaceae Sedum stenopetalum Worm-leaf stonecrop Crassulaceae Selaginella wallacei Wallace's selaginella Selaginellaceae Senecio canus Woolly groundsel Asteraceae Senecio cymbalarioides Few-leaved groundsel Asteraceae Senecio flettii Flett's ragwort Asteraceae Senecio foetidus Sweet-marsh butterweed Asteraceae Senecio fremontii Dwarf mountain butterweed Asteraceae Senecio hydrophilus Alkali-marsh groundsel Asteraceae Senecio integerrimus Western groundsel Asteraceae Senecio jacobaea* Tansy ragwort Asteraceae Senecio pauperculus Canada butterweed Asteraceae Senecio pseudaureus Streambank butterweed Asteraceae Senecio serra Tall butterweed Asteraceae Senecio streptanthifolius Cleft-leaf groundsel Asteraceae Senecio triangularis Arrowleaf groundsel Asteraceae Setaria verticillata* Verticilate foxtail Poaceae Setaria viridus* Green foxtail Poaceae Shepherdia canadensis Buffalo berry Elaeagnaceae Sibbaldia procumbens Creeping sibbaldia Rosaceae Sidalcea oregana Oregon checkermallow Malvaceae Silene acaulis Moss campion Caryophyllaceae Silene cucubalus* Bladder campion Caryophyllaceae Silene douglasii Douglas' silene Caryophyllaceae Silene menziesii Menzies' silene Caryophyllaceae Silene oregana Oregon silene Caryophyllaceae Silene parryi Parry's silene Caryophyllaceae Silene scouleri Sleepy catchfly Caryophyllaceae Silene suksdorfii Suksdorf's silene Caryophyllaceae Sisymbrium altissimum* Jim Hill mustard Brassicaceae Sisymbrium loeselii* Loesel tumblemustard Brassicaceae Sisyrinchium angustifolium Blue-eyed grass Iridaceae Sisyrinchium douglasii Grass-widow Iridaceae

Yakima County, Washington WNPS Plant Lists Page 29 of 33 Sisyrinchium inflatum Purple-eyed grass Iridaceae Sitanion hystrix Squirreltail Poaceae Sitanion jubatum Big squirreltail Poaceae Sium suave Water-parsnip Apiaceae Smelowskia calycina Alpine smelowskia Brassicaceae Smelowskia ovalis Short-fruited smelowskia Brassicaceae Smilacina racemosa False Solomon's seal Liliaceae Smilacina stellata Star-flowered Solomon's seal Liliaceae Solanum americanum American black nightshade Solanaceae Solanum dulcamara* Bittersweet nightshade Solanaceae Solanum sarracoides* Hairy nightshade Solanaceae Solanum triflorum Cut-leaf nightshade Solanaceae Solidago canadensis Meadow goldenrod Asteraceae Solidago gigantea Late goldenrod Asteraceae Solidago missouriensis Missouri goldenrod Asteraceae Solidago multiradiata Northern goldenrod Asteraceae Solidago occidentalis Western goldenrod Asteraceae Solidago spathulata Dwarf goldenrod Asteraceae Sonchus arvensis* Field sowthistle Asteraceae Sonchus asper* Prickly sowthistle Asteraceae Sorbus scopulina Cascade mountain-ash Rosaceae Sorbus sitchensis Sitka mountain-ash Rosaceae Sparganium angustifolium Floating bur-reed Sparganiaceae Sparganium emersum Simplestem bur-reed Sparganiaceae Sparganium eurycarpum Broad-fruited bur-reed Sparganiaceae Sparganium minimum Small bur-reed Sparganiaceae Spartina gracilus Alkali cordgrass Poaceae Spergula arvensis* Cornspurry Caryophyllaceae Spergularia rubra* Red sandspurry Caryophyllaceae Sphaeralcea grossulariifolia Currant-leaved globemallow Malvaceae Sphaeralcea munroana White-leaved globe mallow Malvaceae Sphenopholis obtusata Wedgegrass Poaceae Spiraea betulifolia Birch-leafed spirea Rosaceae Spiraea densiflora Rosy spirea Rosaceae Spiraea douglasii Hardhack Rosaceae Spiraea pyramidata Pyramid spiraea Rosaceae Spiranthes romanzoffiana Hooded ladies-tresses Orchidaceae Sporobolus cryptandrus Sand dropseed Poaceae Spraguea umbellata Pussypaws Portulacaceae Stachys cooleyae Cooley's hedge-nettle Lamiaceae Stachys mexicana Mexican betony Lamiaceae Stachys palustris Swamp hedge-nettle Lamiaceae Stellaria calycantha Northern starwort Caryophyllaceae Stellaria crispa Crisped starwort Caryophyllaceae Stellaria jamesiana Sticky starwort Caryophyllaceae Stellaria longipes Long-stalked starwort Caryophyllaceae

Yakima County, Washington WNPS Plant Lists Page 30 of 33 Stellaria nitens Shining chickweed Caryophyllaceae Stellaria obtusa Blunt-sepaled starwort Caryophyllaceae Stellaria umbellata Umbellate chickweed Caryophyllaceae Stenanthium occidentale Bronze bells Liliaceae Stephanomeria paniculata Stiff-branch wirelettuce Asteraceae Stephanomeria tenuifolia Bush wirelettuce Asteraceae Stipa comata Rip-gut Poaceae Stipa lemmonii Lemmon's needlegrass Poaceae Stipa occidentalis Western needlegrass Poaceae Stipa thurberiana Thurber's needlegrass Poaceae Streptanthella longirostris Beaked sandcress Brassicaceae Streptopus amplexifolius Clasping-leaved twisted-stalk Liliaceae Streptopus roseus Rosy twisted-stalk Liliaceae Suaeda occidentalis Slender seablite Chenopodiaceae Suksdorfia ranunculifolia Buttercup-leaf suksdorfia Saxifragaceae Suksdorfia violacea Violet suksdorfia Saxifragaceae Swainsona salsula* Salt rattlepod Fabaceae Symphoricarpos albus Common snowberry Caprifoliaceae Symphoricarpos mollis Creeping snowberry Caprifoliaceae Symphoricarpos oreophilus Mountain snowberry Caprifoliaceae Talinum spinescens Spiny fameflower Portulacaceae Tanacetum vulgare* Common tansy Asteraceae Taraxacum officinale* Dandelion Asteraceae Tauschia hooveri Hoover's tauschia Apiaceae Tauschia strictlandii Strictland's tauschia Apiaceae Taxus brevifolia Western yew Taxaceae Tellima grandiflora Fringecup Saxifragaceae Tetradymia canescens Grey horse-brush Asteraceae Teucrium canadense Western germander Lamiaceae Thalictrum occidentale Western meadowrue Ranunculaceae Thalictrum venulosum Vieny meadowrue Ranunculaceae Thelopodium howellii Howell's thelopody Brassicaceae Thelopodium integrifolium Entire-leaved thelopody Brassicaceae Thelopodium laciniatum Thick-leaved thelepody Brassicaceae Thlaspi fendleri Fendler's pennycress Brassicaceae Thuja plicata Western red cedar Cupressaceae Thysanocarpus curvipes Fringepod Brassicaceae Tiarella trifoliata Foamflower Saxifragaceae Tillaea aquatica Pigmy-weed Crassulaceae Tofieldia glutinosa Bog lily Liliaceae Townsendia florifer Showy townsendia Asteraceae Tragopogon dubius* Oysterplant Asteraceae Tragopogon pratensis* Meadow salsify Asteraceae Trautvettaria caroliniensis False bugbane Ranunculaceae Tribulus terrestris* Puncture vine Zygophyllaceae Trientalis arctica Northern star-flower Primulaceae

Yakima County, Washington WNPS Plant Lists Page 31 of 33 Trientalis latifolia Broadleaved starflower Primulaceae Trifolium arvense* Hare's-foot Fabaceae Trifolium cyathiferum Cup clover Fabaceae Trifolium dubium* Least hop clover Fabaceae Trifolium eriocephalum Wooly-head clover Fabaceae Trifolium fragiferum* Strawberry clover Fabaceae Trifolium hybridum* Alsike clover Fabaceae Trifolium longipes Long-stalked clover Fabaceae Trifolium macrocephalum Big-headed clover Fabaceae Trifolium oliganthum Few-flowered clover Fabaceae Trifolium pratense* Red clover Fabaceae Trifolium repens* White clover Fabaceae Trifolium vareigatum White-tip clover Fabaceae Trifolium wormskjoldii Springbank clover Fabaceae Triglochin maritimum Seaside arrowgrass Juncaginaceae Trillium ovatum White trillium Liliaceae Trisetum canescens Tall trisetum Poaceae Trisetum cernuum Nodding trisetum Poaceae Trisetum spicatum Downy oat-grass Poaceae Trisetum wolfii Beardless trisetum Poaceae Trollius laxus Globeflower Ranunculaceae Tsuga heterophylla Western hemlock Pinaceae Tsuga mertensiana Mountain hemlock Pinaceae Typha latifolia Common cattail Typhaceae Ulmus americanus* American elm Ulmaceae Ulmus pumila* Siberian elm Ulmaceae Urtica dioica Stinging nettle Urticaceae Vaccinium alaskense Alaska blueberry Ericaceae Vaccinium caespitosum Dwarf bilberry Ericaceae Vaccinium deliciosum Cascade huckleberry Ericaceae Vaccinium membranaceum Mountain huckleberry Ericaceae Vaccinium myrtillus Low bilberry Ericaceae Vaccinium occidentale Bog huckleberry Ericaceae Vaccinium ovalifolium Oval-leafed huckleberry Ericaceae Vaccinium scoparium Grouseberry Ericaceae Vaccinium uliginosum Bog blueberry Ericaceae Valeriana sitchensis Sitka valerian Valerianaceae Veratrum californicum California false hellebore Liliaceae Veratrum viride Green false hellebore Liliaceae Verbascum thapsus* Common mullein Scrophulariaceae Verbena bracteata Bracted vervain Verbenaceae Verbena hastata Blue vervain Verbenaceae Veronica americana American brooklime Scrophulariaceae Veronica anagallis-aquatica* Water pimpernel Scrophulariaceae Veronica cusickii Cusick's speedwell Scrophulariaceae Veronica peregrina Purslane speedwell Scrophulariaceae

Yakima County, Washington WNPS Plant Lists Page 32 of 33 Veronica scuttelata Marsh speedwell Scrophulariaceae Veronica serpyllifolia Thyme-leaf speedwell Scrophulariaceae Veronica wormskjoldii Alpine speedwell Scrophulariaceae Viburnum edule Highbush cranberry Caprifoliaceae Vicia americana American vetch Fabaceae Viola adunca Early blue violet Violaceae Viola bakeri Baker's violet Violaceae Viola glabella Stream violet Violaceae Viola nephrophylla Northern bog violet Violaceae Viola nuttallii Yellow prairie violet Violaceae Viola orbiculata Round-leaved violet Violaceae Viola palustris Marsh violet Violaceae Viola purpurea Goosefoot violet Violaceae Viola sheltonii Shelton's violet Violaceae Viola sororia* Sand violet Violaceae Viola trinervata Sagebrush violet Violaceae Woodsia oregana Oregon woodsia Polypodiaceae Woodsia scopulina Rocky Mtn. woodsia Polypodiaceae Wyethia amplexicaulis Northern mule's ears Asteraceae Xanthium spinosum* Spiny cocklebur Asteraceae Xanthium strumarium* Cocklebur Asteraceae Xerophyllum tenax Beargrass Liliaceae Zannichellia palustris Horned pondweed Zannichelliaceae Zigadenus paniculatus Panicled death-camas Liliaceae Zigadenus venenosus Meadow death camas Liliaceae Zizania aquatica Wild rice Poaceae Zygophyllum fabago* Syrean bean-caper Zygophyllaceae

Yakima County, Washington WNPS Plant Lists Page 33 of 33