22 Oklahoma Native Plant Record Volume 2, Number 1, December 2002

Floristic List for Comanche County, Oklahoma

Bruce Hoagland Oklahoma Biological Survey/Department of Geography University of Oklahoma Norman, OK 73019

Floristic lists are vital tools for conservation planning, research, and wildflower appreciation. The diverse physical geography of Comanche County contributes to the high degree of plant diversity and habitats. The county is probably best known for the Wichita Mountains, which are composed of Cambrian gabbro and granites. To the north of the Wichita Mountains is the Slick Hill, an extensive outcropping of limestone. The surface geology of most of the county is composed of Permian sandstones. Land use in the county includes row crop agriculture and pastureland.

INTRODUCTION 2,009 list the Wichita Mountains as the place of collection and 1,661 list the Wichita The floristic list presented here was Mountains Wildlife Refuge specifically. Other generated form the Atlas of the Flora of locations in the Wichitas include Medicine Oklahoma database. The database contains Park and Meers. There are 836 records listed records for specimens deposited in Oklahoma for Fort Sill, which includes the Wichita herbaria. Voucher specimens for plants on the Mountains and a portion of Permian list can be found at one of the following sandstone. The earliest collections in the herbaria: Oklahoma State University, Cameron database are dated 2 July 1903 and were University, University of Science and Arts of collected by A. Van Vleet in the Wichita Oklahoma, Southeastern Oklahoma State Mountains. These specimens are deposited at University, and the Bebb Herbarium at the the Bebb Herbarium. Botanists with large University of Oklahoma. Taxonomy and numbers of collections in the database include common names follow the United States F. L. Johnson and R. Thompson (790 records Department of Agricultures Plants Database for specimens collected as part of florisitic (www.plants.gov.us). inventory of Fort Sill), F. B. McMurry (498 There are 1,137 species and records, all from the Wichita Mountains subspecific taxa, from the 116 families listed. National Wildlife Refuge), B. Osborn (262 There is a total of 3,560 specimens current records), and U.T. Waterfall (121 records). recorded in the database. Of those records,

Hoagland, B.W. https://doi.org/10.22488/okstate.17.100012 Oklahoma Native Plant Record 23 Volume 2, Number 1, December 2002

Floristic List for Comanche County, Oklahoma

Ferns and allies Cheilanthes wootonii Maxon beaded lipfern Aspleniaceae Notholaena sinuata (Lag. ex Sw.) Asplenium platyneuron (L.) B.S.P. Kaulfuss ebony spleenwort Notholaena standleyi Maxon Asplenium resiliens Kunze star cloak fern blackstem spleenwort Pellaea atropurpurea (L.) Link Asplenium trichomanes L. purple cliffbrake maidenhair spleenwort Pellaea wrightiana Hook. Dryopteridaceae Wright's cliffbrake Dryopteris marginalis (L.) gray Selaginellaceae marginal woodfern Selaginella peruviana (Milde) Hieron. Woodsia obtusa (Spreng.) Torr. Peruvian spikemoss bluntlobe cliff fern Selaginella rupestris (L.) Equisetaceae Spring Equisetum hyemale L. northern selaginella scouringrush horsetail Equisetum hyemale L. Gymnosperms var. affine (Engelm.) A.A. Eat. Cupressaceae scouringrush horsetail Juniperus virginiana L. Equisetum laevigatum A. Braun eastern redcedar smooth horsetail Thuja orientalis L. Equisetum X ferrissii Clute (pro sp.) oriental arborvitae Marsileaceae Angiosperms Marsilea vestita Hook. & Grev. Monocotyledonae hairy waterclover Pilularia americana A. Braun Agavaceae American pillwort Manfreda virginica (L.) Salisb. ex Rose false aloe

Ophioglossaceae Yucca glauca Nutt. Ophioglossum engelmannii Prantl soapweed yucca limestone adderstongue Ophioglossum vulgatum L. Alismataceae southern adderstongue Echinodorus berteroi (Spreng.) Fassett upright burrhead

Pteridaceae Sagittaria brevirostra Cheilanthes eatonii Baker Mackenzie & Bush Eaton's lipfern Shortbeak arrowhead Cheilanthes lanosa (Michx.) D.C. Eat. Sagittaria calycina Engelm. hairy lipfern hooded arrowhead Cheilanthes lindheimeri Hook. Sagittaria calycina Engelm. fairyswords var. calycina Cheilanthes tomentosa Link hooded arrowhead woolly lipfern

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Sagittaria latifolia Willd. Hydrocharitaceae broadleaf arrowhead Egeria densa Planch. Brazilian waterweed Araceae Arisaema dracontium (L.) Schott Liliaceae green dragon Allium canadense L. meadow garlic Callitrichaceae Allium canadense L. Callitriche heterophylla Pursh var. fraseri Ownbey twoheaded water-starwort Fraser meadow garlic Allium canadense L. Ceratophyllaceae var. hyacinthoides Ceratophyllum demersum L. (Bush) coon's tail Ownbey & Aase Commelinaceae hyacinth meadow Commelina erecta L. garlic whitemouth dayflower Allium canadense L. Commelina erecta L. var. mobilense var. angustifolia (Michx.) Fern. (Regel) Ownbey whitemouth dayflower meadow garlic Commelina erecta L. Allium drummondii Regel var. deamiana Fern. Drummond's onion whitemouth dayflower Allium stellatum Nutt. ex Commelina virginica L. Ker-Gawl. Virginia dayflower autumn onion Tradescantia ernestiana Androstephium E.S. Anderson & coeruleum (Scheele) Woods. Greene [orthographic Ernest's spiderwort variant] Tradescantia Camassia angusta occidentalis (Engelm. & Gray) Blank. (Britt.) Smyth prairie camas prairie spiderwort Camassia scilloides Tradescantia (Raf.) Cory occidentalis (Britt.) Atlantic camas Smyth Cooperia drummondii var. occidentalis Herbert evening prairie spiderwort rainlily Tradescantia ohiensis Erythronium albidum Raf. bluejacket Nutt. Tradescantia tharpii white fawnlily E.S. Anderson & Erythronium Woods. mesochoreum Knerr Tharp's spiderwort midland fawnlily

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Erythronium rostratum Alopecurus carolinianus W. Wolf Walt. yellow troutlily Carolina foxtail Nolina texana S. Wats. Andropogon gerardii Texas sacahuista Vitman Nothoscordum bivalve big bluestem (L.) Britt. Aristida curtissii crowpoison (Gray ex S. Wats. & Polygonatum biflorum Coult.) Nash (Walt.) Ell. Aristida dichotoma smooth Solomon's Michx. seal churchmouse Polygonatum biflorum threeawn (Walt.) Ell. Aristida dichotoma Michx. var. commutatum var. curtissii (J.A. & J.H. Schultes) Gray ex S. Wats. & Coult. Morong smooth Curtis' threeawn Solomon's seal Aristida longispica Poir. Zigadenus nuttallii (Gray) var. longispica S. Wats. slimspike threeawn Nuttall's deathcamas Aristida oligantha Michx. prairie threeawn Najadaceae Aristida purpurascens Najas guadalupensis (Spreng.) Magnus Poir. southern waternymph arrowfeather threeawn Orchidaceae Aristida purpurea Nutt. Spiranthes cernua (L.) var. fendleriana L.C. Rich. (Steud.) Vasey nodding Fendler's threeawn ladies'-tresses Aristida purpurea Nutt. Spiranthes var. longiseta (Steud.) magnicamporum Vasey Sheviak Fendler threeawn Great Plains Bothriochloa barbinodis ladies'-tresses (Lag.) Herter Spiranthes vernalis Engelm. & Gray cane bluestem spring ladies'-tresses Bothriochloa ischaemum Poaceae (L.) Keng Aegilops cylindrica Host yellow bluestem jointed goatgrass Bothriochloa Agropyron smithii Rydb. saccharoides Agrostis hyemalis (Walt.) (Sw.) Rydb. B.S.P. silver bluestem winter bentgrass Bouteloua gracilis (Willd. ex Kunth) Lag.

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ex Griffiths Dichanthelium acuminatum (Sw.) blue grama Gould & C.A. Clark Bouteloua hirsuta Lag. tapered rosette grass hairy grama Dichanthelium acuminatum (Sw.) Bouteloua pectinata Gould & C.A. Clark Featherly var. fasciculatum Bouteloua rigidiseta (Torr.) Freckmann (Steud.) western panicgrass A.S. Hitchc. Dichanthelium acuminatum (Sw.) Texas grama Gould & C.A. Clark Bromus catharticus Vahl var. lindheimeri rescuegrass (Nash) Gould & C.A. Clark Bromus commutatus Lindheimer panicgrass Schrad. Dichanthelium linearifolium meadow brome (Scribn. ex Nash) Gould Bromus japonicus Thunb. slimleaf panicgrass ex Murr. Dichanthelium malacophyllum Japanese brome (Nash) Gould Bromus pubescens Muhl. softleaf rosette grass ex Willd. Dichanthelium oligosanthes hairy woodland brome (J.A. Schultes) Gould Heller's Bromus tectorum L. rosette grass cheatgrass Dichanthelium oligosanthes Buchloe dactyloides (J.A. Schultes) Gould (Nutt.) Engelm. var. scribnerianum (Nash) Gould buffalograss Scribner's rosette grass Cenchrus incertus M.A. Digitaria californica (Benth.) Henr. Curtis Arizona cottontop Cenchrus longispinus Digitaria cognata (Hack.) Fern. (J.A. Schultes) Pilger mat sandbur Carolina crabgrass Chasmanthium latifolium Digitaria ischaemum (Schreb.) (Michx.) Yates Schreb. ex Muhl. Indian woodoats smooth crabgrass Chloris verticillata Nutt. Digitaria sanguinalis (L.) Scop. tumble windmill grass hairy crabgrass Chloris virgata Sw. Echinochloa colona (L.) Link feather fingergrass jungle rice Cinna arundinacea L. Echinochloa crus-galli (L.) Beauv. sweet woodreed barnyardgrass Cynodon dactylon (L.) Echinochloa crus-galli (L.) Beauv. Pers. barnyardgrass Bermudagrass Eleusine indica (L.) Gaertn. Dactylis glomerata L. Indian goosegrass orchardgrass Eragrostis barrelieri Daveau Mediterranean lovegrass

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Eragrostis capillaris (L.) Nees Leptochloa mucronata (Michx.) lace grass Kunth Eragrostis cilianensis (All.) Vign. Melica nitens (Scribn.) Nutt. ex Piper ex Janchen threeflower melicgrass stinkgrass Muhlenbergia racemosa Eragrostis curtipedicellata Buckl. (Michx.) B.S.P. gummy lovegrass marsh muhly Eragrostis curvula (Schrad.) Nees Muhlenbergia sobolifera weeping lovegrass (Muhl. ex Willd.) Trin. Eragrostis hypnoides (Lam.) B.S.P. rock muhly teal lovegrass Panicum anceps Michx Eragrostis intermedia A.S. Hitchc. beaked panicgrass plains lovegrass Panicum capillare L. Eragrostis pectinacea witchgrass (Michx.) Nees ex Steud. Panicum dichotomiflorum Michx. tufted lovegrass fall panicgrass Eragrostis pectinacea (Michx.) Panicum hallii Vasey Nees ex Steud. var. pectinacea Hall's panicgrass tufted lovegrass Panicum hillmanii Chase Eragrostis pilosa (L.) Beauv. Hillman's panicgrass Indian lovegrass Panicum obtusum Kunth Eragrostis reptans (Michx.) Nees vine mesquite Eragrostis secundiflora J. Presl Panicum virgatum L. red lovegrass switchgrass Eragrostis sessilispica Buckl. Pascopyrum smithii (Rydb.) A. Löve tumble lovegrass western wheatgrass Eragrostis spectabilis (Pursh) Steud. Paspalidium geminatum purple lovegrass (Forsk.) Stapf Eragrostis trichodes (Nutt.) Wood Egyptian panicgrass sand lovegrass Paspalum distichum L. Eriochloa contracta A.S. Hitchc. knotgrass prairie cupgrass Paspalum pubiflorum Rupr. ex Eriochloa sericea (Scheele) Fourn. Munro ex Vasey hairyseed paspalum Texas cupgrass Paspalum pubiflorum Rupr. ex Erioneuron pilosum (Buckl.) Nash Fourn. hairy woollygrass var. glabrum Vasey ex Scribn. Festuca octoflora Walt. Paspalum setaceum Michx. Festuca subverticillata thin paspalum (Pers.) Alexeev Paspalum setaceum Michx. nodding fescue var. stramineum (Nash) D. Banks Leersia oryzoides (L.) Sw. Phalaris caroliniana Walt. rice cutgrass Carolina canarygrass Leersia virginica Willd. Poa annua L. whitegrass annual bluegrass Leptochloa fascicularis (Lam.) Gray

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Poa arachnifera Torr. Potamogeton nodosus Poir. Texas bluegrass longleaf pondweed Poa compressa L. Potamogeton pusillus L. Canada bluegrass small pondweed Schedonnardus paniculatus Potamogeton pusillus L. ssp. (Nutt.) Trel. pusillus tumblegrass small pondweed Schizachyrium scoparium Potamogeton pusillus L. (Michx.) Nash var. tenuissimus Mert. & Koch little bluestem Setaria glauca (L.) Beauv. Typhaceae Sphenopholis obtusata (Michx.) Typha angustifolia L. Scribn. narrowleaf cattail prairie wedgescale Typha domingensis Pers. Sporobolus airoides (Torr.) Torr. southern cattail alkali sacaton Typha latifolia L. Sporobolus asper (Michx.) Kunth broadleaf cattail Sporobolus asper (Michx.) Kunth Zannichelliaceae var. drummondii (Trin.) Vasey Zannichellia palustris L. Sporobolus clandestinus (Biehler) horned pondweed A.S. Hitchc. rough dropseed Dicotyledonae Sporobolus cryptandrus (Torr.) Gray Acanthaceae sand dropseed Dicliptera brachiata (Pursh) Spreng. Sporobolus neglectus Nash branched foldwing puffsheath dropseed Justicia americana (L.) Vahl Sporobolus ozarkanus Fern. American water-willow Sporobolus pyramidatus (Lam.) Ruellia ciliosa Pursh. A.S. Hitchc. Ruellia humilis Nutt. Sporobolus vaginiflorus fringeleaf wild petunia (Torr. ex Gray) Wood Ruellia humilis Nutt. poverty dropseed var. expansa Fern. Tripsacum dactyloides (L.) L. Ruellia humilis Nutt. var. longiflora eastern gamagrass (Gray) Fern. Vulpia octoflora (Walt.) Rydb. sixweeks fescue Aceraceae Acer negundo L. Potamogetonaceae boxelder Potamogeton amplifolius Tuckerman Acer negundo L. largeleaf pondweed var. interius (Britt.) Sarg. Potamogeton crispus L. boxelder curly pondweed Acer negundo L. var. texanum Pax Potamogeton diversifolius Raf. boxelder waterthread pondweed Acer saccharinum L. Potamogeton illinoensis Morong silver maple Illinois pondweed

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Acer saccharum Marsh. Chaerophyllum tainturieri Hook. sugar maple hairyfruit chervil Chaerophyllum tainturieri Hook. Amaranthaceae var. dasycarpum Hook. Amaranthus albus L. ex S. Wats. prostrate pigweed Chaerophyllum tainturieri Hook. Amaranthus arenicola I.M. Johnston var. tainturieri sandhill amaranth Chaerophyllum texanum Amaranthus graecizans L. Coult. & Rose Amaranthus hybridus L. Cicuta maculata L. slim amaranth spotted water hemlock Amaranthus retroflexus L. Conium maculatum L. redroot amaranth poison hemlock Amaranthus rudis Sauer Daucus carota L. tall amaranth Queen Anne's lace Froelichia floridana (Nutt.) Moq. Daucus pusillus Michx. plains snakecotton American wild carrot Froelichia gracilis (Hook.) Moq. Eryngium hookerii Walp. slender snakecotton Hooker's eryngo Gossypianthus lanuginosus Eryngium leavenworthii Torr. & Gray (Poir.) Moq. Leavenworth's eryngo woolly cottonflower Limnosciadium pinnatum (DC.) Gossypianthus lanuginosus (Poir.) Mathias & Constance Moq. var. lanuginosus tansy dogshade woolly cottonflower Lomatium daucifolium Iresine rhizomatosa Standl. (Torr. & Gray) Coult. & Rose Juda's bush Lomatium foeniculaceum (Nutt.) Coult. & Rose ssp. daucifolium Anacardiaceae (Torr. & Gray) Theobald Rhus aromatica Ait. desert biscuitroot fragrant sumac Polytaenia nuttallii DC. Rhus aromatica Ait. var. serotina Nutall’s prairie parsley (Greene) Rehd. Sanicula canadensis L. fragrant sumac Canadian blacksnakeroot Rhus glabra L. Spermolepis divaricata smooth sumac (Walt.) Raf. ex Ser. Rhus trilobata Nutt. var. trilobata roughfruit scaleseed skunkbush sumac Spermolepis echinata Toxicodendron radicans (L.) Kuntze (Nutt. ex DC.) Heller eastern poison ivy bristly scaleseed Apiaceae Spermolepis inermis (Nutt. ex DC.) Ammoselinum popei Torr. & Gray Mathias & Constance plains sandparsley Red River scaleseed Chaerophyllum procumbens Spermolepis patens (L.) Crantz (Nutt. ex DC.) B.L. Robins. spreading chervil

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Torilis nodosa (L.) Gaertn. Matelea biflora (Raf.) Woods. knotted hedgeparsley star milkvine

Apocynaceae Asteraceae Amsonia ciliata Walt. Achillea millefolium L. fringed bluestar common yarrow Amsonia ciliata Walt. var. texana Achillea millefolium L. (Gray) Coult. var. occidentalis DC. Texas bluestar western yarrow Amsonia illustris Woods. Ambrosia artemisiifolia L. Ozark bluestar annual ragweed Apocynum cannabinum L. Ambrosia artemisiifolia L. var. elatior Indianhemp (L.) Descourtils Apocynum cannabinum L. annual ragweed var. glaberrimum A. DC. Ambrosia psilostachya DC. Cuman Asclepiadaceae ragweed Asclepias asperula (Dcne.) Woods. Ambrosia trifida L. spider milkweed great ragweed Asclepias asperula (Dcne.) Woods. Ambrosia trifida L. ssp. capricornu (Woods.) Woods. var. texana Scheele antelopehorns Texan great ragweed Asclepias asperula (Dcne.) Woods. Amphiachyris dracunculoides var. decumbens (Nutt.) Shinners (DC.) Nutt. Asclepias engelmanniana Woods. prairie broomweed Engelmann's milkweed Antennaria parlinii Fern. ssp. fallax Asclepias pumila (Gray) Vail (Greene) Bayer & Stebbins plains milkweed Parlin's pussytoes Asclepias stenophylla Gray Antennaria plantaginifolia (L.) slimleaf milkweed Richards. Asclepias sullivantii Engelm. ex Gray woman's tobacco prairie milkweed Aphanostephus pilosus Buckl. Asclepias tuberosa L. hairy dozedaisy butterfly milkweed Aphanostephus skirrhobasis Asclepias tuberosa L. (DC.) Trel. ssp. interior Woods. Arkansas dozedaisy butterfly milkweed Artemisia carruthii Wood ex Carruth. Asclepias verticillata L. Carruth's sagewort whorled milkweed Artemisia dracunculus L. Asclepias viridiflora Raf. tarragon green comet milkweed Artemisia filifolia Torr. Ascleias viridis Walt. sand sagebrush green antelopehorn Artemisia ludoviciana Nutt. Asclepiodora decumbens (Nutt.) white sagebrush Gray

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Artemisia ludoviciana Nutt. Chrysopsis stenophylla (Gray) ssp. ludoviciana Greene white sagebrush Chrysopsis villosa (Pursh) Nutt. Artemisia ludoviciana Nutt. ex DC. ssp. mexicana Chrysopsis villosa (Pursh) Nutt. (Willd. ex Spreng.) Keck ex DC. var. stenophylla white sagebrush (Gray) Gray Artemisia neomexicana Cirsium altissimum (L.) Hill Greene ex Rydb. tall thistle Aster ericoides L. Cirsium ochrocentrum Gray Aster oblongifolius Nutt. yellowspine thistle Aster oblongifolius Nutt. Cirsium texanum Buckl. var. rigidulus Gray Texas thistle Aster ontarionis Wieg. Cirsium undulatum (Nutt.) Spreng. Aster patens Ait. wavyleaf thistle Aster patens Ait. var. patentissimus Cirsium undulatum (Nutt.) Spreng. (Lindl. ex DC.) Torr. & Gray var. megacephalum (Gray) Fern. Aster subulatus Michx. Conyza canadensis (L.) Cronq. Aster subulatus Michx. Canadian horseweed var. ligulatus Shinners Conyza canadensis (L.) Cronq. Astranthium integrifolium (Michx.) var. canadensis Nutt. ssp. ciliatum (Raf.) DeJong Canadian horseweed entireleaf western daisy Conyza ramosissima Cronq. Baccharis salicina Torr. & Gray dwarf horseweed Great Plains false willow Coreopsis grandiflora Hogg ex Bidens bipinnata L. Sweet Spanish needles largeflower tickseed Bidens frondosa L. Coreopsis grandiflora Hogg ex devil's beggartick Sweet Brickellia eupatorioides (L.) var. harveyana (Gray) Sherff Shinners var. chlorolepis largeflower tickseed (Woot. & Standl.) B.L. Turner Coreopsis grandiflora Hogg ex false boneset Sweet Brickellia eupatorioides (L.) var. longipes (Hook.) Torr. & Shinners var. corymbulosa Gray (Torr. & Gray) Shinners largeflower tickseed false boneset Coreopsis tinctoria Nutt. Centaurea americana Nutt. golden tickseed American star-thistle Coreopsis tinctoria Nutt. var. Chaetopappa asteroides Nutt. ex tinctoria DC. golden tickseed Arkansas leastdaisy Dracopis amplexicaulis (Vahl) Cass. Chrysopsis berlandieri Greene clasping coneflower Chrysopsis pilosa Nutt. Dysodiopsis tagetoides soft goldenaster (Torr. & Gray) Rydb. false dogfennel

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Dyssodia tagetoides Torr. & Gray Gutierrezia texana (DC.) Torr. & Echinacea angustifolia DC. Gray blacksamson echinacea var. texana Echinacea purpurea (L.) Moench Texas snakeweed eastern purple coneflower Haplopappus ciliatus (Nutt.) DC. Eclipta prostrata (L.) L. Haplopappus divaricatus (Nutt.) false daisy Gray Elephantopus carolinianus Raeusch. Haplopappus spinulosus (Pursh) Carolina elephantsfoot DC. Engelmannia pinnatifida Gray ex Haplopappus spinulosus (Pursh) Nutt. DC. Erigeron canadensis L. ssp. australis (Greene) Hall Erigeron philadelphicus L. Haplopappus spinulosus (Pursh) Philadelphia fleabane DC. Erigeron ramosus (Walt.) B.S.P. ssp. cotulus (Small) Hall Erigeron strigosus Muhl. ex Willd. Haplopappus spinulosus (Pursh) prairie fleabane DC. Erigeron strigosus Muhl. ex Willd. ssp. glaberrimus (Rydb.) Hall var. strigosus Haplopappus spinulosus (Pursh) prairie fleabane DC. Erigeron tenuis Torr. & Gray var. turbinellus (Rydb.) Blake slenderleaf fleabane Helenium amarum (Raf.) H. Rock Evax prolifera Nutt. ex DC. yellowdicks bighead pygmycudweed Helenium amarum (Raf.) H. Rock Filago prolifera (Nutt. ex DC.) Britt., var. badium non Pomel (Gray ex S. Wats.) Waterfall Gaillardia lanceolata Michx. yellowdicks Gaillardia lutea Greene Helenium badium (Gray ex S. Wats.) Gaillardia pulchella Foug. Greene firewheel Helenium microcephalum DC. Gaillardia suavis (Gray & Engelm.) smallhead sneezeweed Britt. & Rusby Helianthus annuus L. perfumeballs common sunflower Gnaphalium obtusifolium L. Helianthus hirsutus Raf. Gnaphalium wrightii Gray hairy sunflower Grindelia nuda Wood var. nuda Helianthus maximiliani Schrad. curlytop gumweed Maximilian sunflower Grindelia squarrosa (Pursh) Dunal Helianthus orgyalis DC. curlycup gumweed Helianthus petiolaris Nutt. Grindelia squarrosa (Pursh) Dunal prairie sunflower var. nuda (Wood) Gray Helianthus salicifolius A. Dietr. Gutierrezia dracunculoides willowleaf sunflower (DC.) Blake Heterotheca canescens Gutierrezia sarothrae (Pursh) (DC.) Shinners Britt. & Rusby hoary false goldenaster broom snakeweed Heterotheca latifolia Buckl.

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Heterotheca latifolia Buckl. Lactuca canadensis L. var. macgregoris Wagenkn. var. latifolia Kuntze Heterotheca stenophylla Lactuca ludoviciana (Nutt.) Riddell (Gray) Shinners biannual lettuce stiffleaf false goldenaster Lactuca scariola L. var. integrata Heterotheca villosa (Pursh) Shinners Gren. & Godr. hairy false goldenaster Lactuca serriola L. Heterotheca villosa prickly lettuce var. villosa (Pursh) Shinners Liatris aspera Michx. hairy goldenaster tall blazing star Hieracium longipilum Torr. Liatris punctata Hook. hairy hawkweed dotted blazing star Hymenopappus corymbosus Liatris punctata Hook. Torr. & Gray var. nebraskana Gaiser Hymenopappus scabiosaeus L'Hér. Nebraska blazing star Carolina woollywhite Liatris scabra (Greene) K. Schum. Hymenopappus scabiosaeus L'Hér. Liatris squarrosa (L.) Michx. var. corymbosus (Torr. & Gray) scaly blazing star B.L. Turner Lindheimera texana Gray & Engelm. Carolina woollywhite Texas yellowstar Hymenopappus tenuifolius Pursh Machaeranthera annua Chalk Hill hymenopappus (Rydb.) Shinners Hymenoxys linearifolia Hook. Machaeranthera spinulosa Iva annua L. (Greene) Cory annual marshelder hoary tansyaster Iva annua L. var. annua Packera plattensis (Nutt.) annual marshelder W.A. Weber & A. Löve Krigia biflora (Walt.) Blake prairie groundsel twoflower dwarfdandelion Packera tampicana (DC.) C. Jeffrey Krigia caespitosa (Raf.) Chambers Great Plains ragwort weedy dwarfdandelion Palafoxia rosea (Bush) Cory Krigia cespitosa (Raf.) Chambers rosy palafox [orthographic variant] Palafoxia rosea (Bush) Cory Krigia dandelion (L.) Nutt. var. rosea potato dwarfdandelion rosy palafox Krigia occidentalis Nutt. Pluchea camphorata (L.) DC. western dwarfdandelion camphor pluchea Kuhnia eupatorioides L. Pluchea odorata (L.) Cass. false boneset var. odorata sweetscent Kuhnia eupatorioides L. Prenanthes altissima L. var. corymbulosa Torr. & Gray tall rattlesnakeroot Kuhnia glutosina Ell. Prionopsis ciliata (Nutt.) Nutt. false boneset Pyrrhopappus grandiflorus Lactuca canadensis L. (Nutt.) Nutt. Canada lettuce tuberous desert-chicory

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Rudbeckia hirta L. Solidago ulmifolia Muhl. ex Willd. blackeyed Susan var. microphylla Gray Rudbeckia hirta L. elmleaf goldenrod var. pulcherrima Farw. Sonchus asper (L.) Hill blackeyed Susan spiny sowthistle Rudbeckia hirta L. Taraxacum officinale var. serotina (Nutt.) Core G.H. Weber ex Wiggers Rudbeckia serotina Nutt. common dandelion Senecio plattensis Nutt. Tetraneuris acaulis (Pursh) Greene Silphium asperrimum Hook. stemless four-nerve daisy Silphium asteriscus L. Tetraneuris linearifolia starry rosinweed (Hook.) Greene Silphium laciniatum L. fineleaf fournerved daisy compassplant Thelesperma filifolium (Hook.) Gray Solidago arguta Ait. stiff greenthread Atlantic goldenrod Thelesperma filifolium (Hook.) Gray Solidago canadensis L. var. filifolium var. gilvocanescens Rydb. stiff greenthread shorthair goldenrod Thelesperma intermedium Rydb. Solidago delicatula Small Thelesperma trifidum (Poir.) Britt. Solidago gigantea Ait. Townsendia exscapa giant goldenrod (Richards.) Porter Solidago missouriensis Nutt. stemless Townsend daisy Missouri goldenrod Tragopogon dubius Scop. Solidago missouriensis Nutt. yellow salsify var. fasciculata Holz. Verbesina alternifolia (L.) Missouri goldenrod Britt. ex Kearney Solidago mollis Bartl. wingstem velvety goldenrod Verbesina encelioides (Cav.) Solidago nemoralis Ait. Benth. & Hook. f. ex Gray gray goldenrod ssp. encelioides Solidago nemoralis Ait. golden crownbeard ssp. longipetiolata Verbesina virginica L. (Mackenzie & Bush) white crownbeard G.W. Douglas Vernonia baldwinii Torr. Solidago petiolaris Ait. Baldwin's ironweed downy ragged goldenrod Vernonia baldwinii Torr. Solidago petiolaris Ait. ssp. interior (Small) Faust var. petiolaris interior ironweed downy ragged goldenrod Vernonia interior Small Solidago rigida L. Vernonia missurica Raf. Solidago speciosa Nutt. Missouri ironweed var. rigidiuscula Torr. & Gray Xanthisma texanum DC. showy goldenrod Texas sleepydaisy Xanthisma texanum DC. ssp. drummondii

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(Torr. & Gray) Semple Chorispora tenella (Pallas) DC. Drummond's sleepydaisy crossflower Xanthisma texanum DC. Descurainia pinnata (Walt.) Britt. var. drummondii ssp. brachycarpa (Torr. & Gray) Gray (Richards.) Detling Xanthium strumarium L. western tansymustard rough cockleburr Draba brachycarpa Nutt. Xanthium strumarium L. ex Torr. & Gray var. canadense (P. Mill.) shortpod draba Torr. & Gray Draba cuneifolia Nutt. ex Torr. & Canada Cocklebur Gray wedgeleaf draba Bignoniaceae Draba cuneifolia Nutt. ex Torr. & Campsis radicans (L.) Seem. Gray ex Bureau var. cuneifolia trumpet creeper wedgeleaf draba Catalpa bignonioides Walt. Draba cuneifolia Nutt. ex Torr. & southern catalpa Gray Catalpa speciosa (Warder) var. helleri (Small) O.E. Schulz Warder ex Engelm. Draba platycarpa Torr. & Gray northern catalpa broadpod draba Draba reptans (Lam.) Fern. Boraginaceae Carolina draba Heliotropium tenellum (Nutt.) Torr. Erysimum asperum (Nutt.) DC. pasture heliotrope Erysimum asperum (Nutt.) DC. Lithospermum incisum Lehm. var. arkansanum (Nutt.) Gray narrowleaf stoneseed Erysimum capitatum (Dougl. ex Myosotis verna Nutt. Hook.) Greene spring forget-me-not sanddune wallflower Onosmodium molle Erysimum capitatum Michx. ssp. occidentale (Dougl. ex Hook.) (Mackenzie) Cochrane Greene var. capitatum western marbleseed sanddune wallflower Brassicaceae Erysimum repandum L. Arabis fendleri (S. Wats.) Greene spreading wallflower Fendler's rockcress Lepidium austrinum Small Arabis laevigata southern pepperwort (Muhl. ex Willd.) Poir. Lepidium densiflorum Schrad. smooth rockcress common pepperweed Arabis missouriensis Greene Lepidium densiflorum Schrad. green rockcress var. densiflorum Camelina microcarpa DC. common pepperweed littlepod false flax Lepidium oblongum Small Capsella bursa-pastoris (L.) Medik. veiny pepperweed shepherd's purse Lepidium virginicum L. Virginia pepperweed

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Lepidium virginicum L. var. baileyi (Rose) N.P. Taylor var. medium (Greene) C.L. Bailey's hedgehog cactus Hitchc. Opuntia engelmannii Salm-Dyck medium pepperweed cactus apple Lesquerella auriculata Opuntia humifusa (Raf.) Raf. (Engelm. & Gray) S. Wats. devil's-tongue earleaf bladderpod Lesquerella gordonii (Gray) S. Wats. Campanulaceae Gordon's bladderpod Lobelia appendiculata A. DC. Lesquerella gracilis (Hook.) S. Wats. pale lobelia spreading bladderpod Lobelia cardinalis L. Lesquerella gracilis (Hook.) S. Wats. cardinalflower ssp. nuttallii Lobelia cardinalis L. (Torr. & Gray) Rollins & Shaw ssp. graminea (Lam.) McVaugh Nuttall's bladderpod Triodanis leptocarpa (Nutt.) Nieuwl. Lesquerella ovalifolia Rydb. slimpod Venus' looking-glass ex Britt. Triodanis perfoliata (L.) Nieuwl. roundleaf bladderpod var. biflora (Ruiz & Pavón) Lesquerella ovalifolia Rydb. ex Britt. Bradley ssp. alba (Goodman) clasping Venus' looking-glass Rollins & Shaw Capparaceae roundleaf bladderpod Cleome serrulata Pursh Nasturtium officinale Ait. f. Rocky Mountain beeplant Rorippa nasturtium-aquaticum (L.) Cleomella angustifolia Torr. Hayek narrowleaf rhombopod watercress Polanisia dodecandra (L.) DC. Rorippa palustris (L.) Bess. redwhisker clammyweed bog yellowcress Polanisia dodecandra (L.) DC. Rorippa sessiliflora (Nutt.) ssp.trachysperma A.S.Hitchc. (Torr. & Gray) Iltis stalkless yellowcress sandyseed clammyweed Sibara virginica (L.) RollinsVirginia winged rockcress Caprifoliaceae Lonicera albiflora Torr. & Gray

Cactaceae western Echinocereus baileyi Rose white honeysuckle Echinocereus reichenbachii Lonicera japonica Thunb. (Terscheck ex Walp.) Haage f. Japanese honeysuckle lace hedgehog cactus Sambucus nigra L. ssp. Canadensis Echinocereus reichenbachii (L.) R. Bolli (Terscheck ex Walp.) Haage f. common elderberry var. albispinus (Lahman) Symphoricarpos orbiculatus Moench L. Benson coralberry Echinocereus reichenbachii Viburnum rufidulum Raf. (Terscheck ex Walp.) Haage f. rusty blackhaw

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Caryophyllaceae Kochia scoparia (L.) Schrad. Cerastium brachypodum Mexican-fireweed (Engelm. ex Gray) B.L. Robins. Salsola kali L. shortstalk chickweed prickly Russian thistle Cerastium glomeratum Thuill. Salsola kali L. ssp. tragus (L.) Celak. sticky chickweed Minuartia michauxii (Fenzl) Farw. Cistaceae Michaux's stitchwort Lechea tenuifolia Michx. Minuartia michauxii (Fenzl) Farw. narrowleaf pinweed var. texana (B.L. Robins.) Mattf. Clusiaceae Texas stitchwort Hypericum drummondii (Grev. & Minuartia patula (Michx.) Mattf. Hook.) pitcher's stitchwort Torr. & Gray Minuartia patula nits and lice var. patula (Michx.) Mattf. Hypericum mutilum L. Paronychia jamesii Torr. & Gray dwarf St. Johnswort James' nailwort Paronychia virginica Spreng. Convolvulaceae yellow nailwort Convolvulus arvensis L. Sagina decumbens (Ell.) Torr. & field bindweed Gray Convolvulus equitans Benth. trailing pearlwort Texas bindweed Silene antirrhina L. Convolvulus incanus auct. non Vahl sleepy silene Evolvulus nuttallianus J.A. Schultes shaggy dwarf morning-glory

Celastraceae Evolvulus pilosus Nutt. Celastrus scandens L. Ipomoea pandurata (L.) G.F.W. Mey. American bittersweet man of the earth Euonymus atropurpurea Jacq. Ipomoea shumardiana eastern wahoo (Torr.) Shinners Chenopodiaceae narrowleaf morning-glory Chenopodium album L. Cornaceae lambsquarters Cornus drummondii C.A. Mey. Chenopodium ambrosioides L. roughleaf dogwood Mexican tea Chenopodium leptophyllum (Moq.) Crassulaceae Nutt. ex S. Wats. Sedum nuttallianum Raf. narrowleaf goosefoot yellow stonecrop Chenopodium pratericola Rydb. desert goosefoot Cucurbitaceae Chenopodium simplex (Torr.) Raf. Cucurbita foetidissima Kunth mapleleaf goosefoot Missouri gourd Chenopodium standleyanum Aellen Cyclanthera dissecta Standley's goosefoot (Torr. & Gray) Arn. cutleaf cyclanthera

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Ibervillea lindheimeri (Gray) Greene Carex gravida Bailey Lindheimer's globeberry heavy sedge Melothria pendula L. Carex gravida Bailey var. lunelliana Guadeloupe cucumber (Mackenzie) F.J. Herm. heavy sedge Cuscutaceae Carex grisea Wahlenb. Cuscuta glabrior (Engelm.) Yuncker Carex joorii Bailey var. pubescens (Engelm.) cypress swamp sedge Yuncker Carex muehlenbergii Schkuhr Cuscuta gronovii Willd. ex J.A. ex Willd. var. enervis Boott Schultes Muhlenberg's sedge scaldweed Carex muehlenbergii Schkuhr Cuscuta indecora Choisy ex Willd. var. muehlenbergii bigseed alfalfa dodder Muhlenberg's sedge Cuscuta indecora Choisy Carex tetrastachya Scheele var. indecora Britton's sedge bigseed alfalfa dodder Carex umbellata Schkukr ex Willd. Cuscuta pentagona Engelm. parasol sedge fiveangled dodder Carex vulpinoidea Michx. Cuscuta pentagona Engelm. fox sedge var. pentagona Cyperus acuminatus Torr. & Hook. fiveangled dodder ex Torr. Cyperaceae tapertip flatsedge Bolboschoenus maritimus (L.) Palla Cyperus echinatus (L.) Wood Bulbostylis capillaris (L.) globe flatsedge Kunth ex C.B. Clarke Cyperus erythrorhizos Muhl. densetuft hairsedge redroot flatsedge Bulbostylis capillaris (L.) Kunth Cyperus esculentus L. ex C.B. Clarke ssp. capillaries chufa flatsedge densetuft hairsedge Cyperus ferax L.C. Rich. Carex albicans Willd. ex Spreng. Cyperus filiculmis auct. non Vahl var. albicans Cyperus hallii Britt. whitetinge sedge Cyperus lupulinus (Spreng.) Marcks Carex austrina Mackenzie ssp. lupulinus southern sedge Great Plains flatsedge Carex blanda Dewey Cyperus odoratus L. eastern woodland sedge fragrant flatsedge Carex brevior (Dewey) Mackenzie Cyperus ovularis (Michx.) Torr. shortbeak sedge Cyperus pseudovegetus Steud. Carex emoryi Dewey marsh flatsedge Emory's sedge Cyperus schweinitzii Torr. Carex fissa Mackenzie Schweinitz's flatsedge hammock sedge Cyperus setigerus Torr. & Hook. Carex frankii Kunth Frank's sedge lean flatsedge Carex granularis Muhl. ex Willd. Cyperus squarrosus L. limestone meadow sedge bearded flatsedge

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Cyperus strigosus L. Lipocarpha drummondii (Nees) strawcolored flatsedge G. Tucker Eleocharis acutisquamata Buckl. Drummond's halfchaff sedge sharpscale spikerush Lipocarpha micrantha (Vahl) Eleocharis atropurpurea G. Tucker (Retz.) J. &. K. Presl. smallflower halfchaff sedge purple spikerush Schoenoplectus acutus (Muhl. Eleocharis compressa Sullivant ex Bigelow) A.& D. Löve flatstem spikerush var. acutus Eleocharis engelmannii Steud. hardstem bulrush Engelmann's spikerush Schoenoplectus americanus (Pers.) Eleocharis erythropoda Steud. Volk. ex Schinz & R. Keller bald spikerush chairmaker's bulrush Eleocharis montevidensis Kunth Schoenoplectus hallii (Gray) S.G. sand spikerush Sm. Eleocharis obtusa (Willd.) Hall's bulrush J.A. Schultes Schoenoplectus pungens (Vahl) blunt spikerush Palla Eleocharis palustris (L.) common threesquare Roemer & J.A. Schultes Schoenoplectus tabernaemontani common spikerush (K.C. Gmel.) Palla Eleocharis parvula softstem bulrush (Roemer & J.A. Schultes) Scirpus americanus Pers. Link ex Bluff, Nees & Schauer Scirpus atrovirens Willd. dwarf spikerush green bulrush Eleocharis quadrangulata (Michx.) Scirpus lineatus Michx. Roemer & J.A. Schultes rusty bulrush, drooping bulrush squarestem spikerush Scirpus pallidus (Britt.) Fern. Fimbristylis puberula (Michx.) Vahl cloaked bulrush hairy fimbry Scirpus pendulus Muhl. Fimbristylis puberula (Michx.) Vahl rufous bulrush var. puberula Scleria ciliata Michx. hairy fimbry fringed nutrush Fimbristylis spadicea auct. Scleria pauciflora Muhl. ex Willd. non (L.) Vahl. fewflower nutrush Fimbristylis vahlii (Lam.) Link Vahl's fimbry Ebenaceae Fuirena simplex Vahl Diospyros virginiana L. western umbrella-sedge common persimmon Hemicarpha aristulata (Coville) Elatinaceae Smyth Bergia texana (Hook.) Seub. ex Hemicarpha drummondii Nees Walp. Hemicarpha micrantha (Vahl) Pax Texas bergia Lipocarpha aristulata (Coville) G. Tucker awned halfchaff sedge

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Euphorbiaceae Croton lindheimerianus Scheele Acalypha gracilens Gray threeseed croton var. monococca Engelm. ex Gray Croton monanthogynus Michx. Acalypha monococca prairie tea (Engelm. ex Gray) L. Croton texensis (Klotzsch) Mill. &Gandhi Muell.-Arg. slender threeseed mercury Texas croton Acalypha ostryifolia Riddell Euphorbia chamaesyce auct. non L. pineland threeseed mercury Euphorbia corollata L. Acalypha virginica L. flowering spurge Virginia threeseed mercury Euphorbia cyathophora Murr. Argythamnia mercurialina fire on the mountain (Nutt.) Muell.-Arg. Euphorbia dentata Michx. tall silverbush toothed spurge Argythamnia mercurialina (Nutt.) Euphorbia lata Engelm. Muell.-Arg. var. mercurialina Euphorbia longicruris Scheele tall silverbush wedgeleaf spurge Chamaesyce maculata (L.) Small Euphorbia maculata L. spotted sandmat Euphorbia marginata Pursh Chamaesyce missurica snow on the mountain (Raf.) Shinners Euphorbia missurica Raf. prairie sandmat Euphorbia nutans Lag. Chamaesyce nutans (Lag.) Small Euphorbia serpens Kunth eyebane Euphorbia spathulata Lam. Chamaesyce prostrata (Ait.) Small warty spurge prostrate sandmat Euphorbia supina Raf. Chamaesyce serpens (Kunth) Small Phyllanthus abnormis Baill. matted sandmat Drummond's leaf-flower Cnidoscolus texanus Phyllanthus abnormis Baill. (Muell.-Arg.) Small var. abnormis Texas bullnettle Drummond's leaf-flower Croton capitatus Michx. Phyllanthus caroliniensis Walt. hogwort Carolina leaf-flower Croton capitatus Michx. var. Phyllanthus polygonoides capitatus Nutt. ex Spreng. hogwort smartweed leaf-flower Croton capitatus Michx. Stillingia sylvatica Garden ex L. var. lindheimeri queen's-delight (Engelm. & Gray) Muell.-Arg. Tragia ramosa Torr. Lindheimer's hogwort branched noseburn Croton glandulosus L. vente conmigo Fabaceae Croton glandulosus L. Acacia angustissima (P. Mill.) var. septentrionalis Muell.-Arg. Kuntze vente conmigo var. hirta (Nutt.) B.L. Robins. prairie acacia

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Amorpha canescens Pursh Chamaecrista fasciculata leadplant (Michx.) Greene Amorpha fruticosa L. sleepingplant desert false indigo Clitoria mariana L. Apios americana Medik. Atlantic pigeonwings groundnut Crotalaria sagittalis L. Astragalus caryocarpus Ker-Gawl. arrowhead rattlebox Astragalus crassicarpus Dalea aurea Nutt. ex Pursh Nutt. var. crassicarpus golden prairie clover groundplum milkvetch Dalea candida Michx. ex Willd. Astragalus crassicarpus Nutt. white prairie clover var. trichocalyx (Nutt.) Barneby Dalea candida Michx. ex Willd. groundplum milkvetch var. candida Astragalus distortus Torr. & Gray white prairie clover Ozark milkvetch Dalea candida Michx. ex Willd. Astragalus lindheimeri Engelm. var. oligophylla (Torr.) Shinners ex Gray white prairie clover Lindheimer's milkvetch Dalea enneandra Nutt. Astragalus nuttallianus DC. nineanther prairie clover var. nuttallianus Dalea frutescens Gray smallflowered milkvetch black prairie clover Astragalus plattensis Nutt. Platte Dalea multiflora (Nutt.) Shinners River milkvetch roundhead prairie clover Baptisia australis (L.) R. Br. ex Ait. f. Dalea purpurea Vent. blue wild indigo violet prairie clover Baptisia australis (L.) R. Br. ex Ait. f. Dalea purpurea Vent. var. purpurea var. minor (Lehm.) Fern. violet prairie clover blue wild indigo Dalea tenuifolia (Gray) Shinners Baptisia bracteata Muhl. ex Ell. slimleaf prairie clover longbract wild indigo Dalea villosa (Nutt.) Spreng. Baptisia bracteata Muhl. ex Ell. var. villosa var. glabrescens (Larisey) Isely silky prairie clover Baptisia bracteata Muhl. Desmanthus illinoensis (Michx.) ex Ell. var. leucophaea (Nutt.) MacM. ex B.L. Robins. & Fern. Kartesz & Gandhi prairie bundleflower longbract wild indigo Desmanthus leptolobus Torr. & Gray Baptisia leucophaea Nutt. slenderlobe bundleflower Baptisia sphaerocarpa Nutt. Desmodium canescens (L.) DC. yellow wild indigo hoary ticktrefoil Baptisia Vent. Desmodium ciliare wild indigo (Muhl. ex Willd.) DC. Cassia fasciculata Michx. hairy small-leaf ticktrefoil Cassia marilandica L. Desmodium dillenii Darl. p.p. Cercis canadensis L. Desmodium glutinosum eastern redbud (Muhl. ex Willd.) Wood pointedleaf ticktrefoil

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Desmodium illinoense Gray Lotus unifoliolatus (Hook.) Benth. Illinois ticktrefoil var. unifoliolatus Desmodium nudiflorum (L.) DC. American bird's-foot trefoil nakedflower ticktrefoil Lupinus texensis Hook. Desmodium paniculatum (L.) DC. Texas lupine panicledleaf ticktrefoil Medicago minima (L.) L. Desmodium paniculatum (L.) DC. Bur medick var. paniculatum Medicago sativa L. panicledleaf ticktrefoil alfalfa Desmodium sessilifolium (Torr.) Melilotus albus Torr. & Gray Melilotus officinalis (L.) Lam. sessileleaf ticktrefoil yellow sweetclover Desmodium tweedyi Britt. Mimosa nuttallii (DC.) B.L. Turner Tweedy's ticktrefoil Nuttall's sensitive-briar Desmodium viridiflorum (L.) DC. Neptunia lutea (Leavenworth) Benth. velvetleaf ticktrefoil yellow puff Galactia volubilis (L.) Britt. Oxytropis lambertii Pursh downy milkpea purple locoweed Gleditsia triacanthos L. Oxytropis lambertii Pursh honeylocust var. articulata Gymnocladus dioicus (L.) K. Koch (Greene) Barneby Kentucky coffeetree purple locoweed Hoffmannseggia glauca Oxytropis lambertii Pursh (Ortega) Eifert var. lambertii Indian rushpea purple locoweed Hosackia americana (Nutt.) Piper Pediomelum cuspidatum Indigofera miniata Ortega (Pursh) Rydb. coastal indigo largebract Indian breadroot Indigofera miniata Ortega Pediomelum esculentum var. leptosepala (Pursh) Rydb. (Nutt. ex Torr. & Gray) B.L. large Indian breadroot Turner Pediomelum linearifolium western indigo (Torr. & Gray) J. Grimes Lespedeza capitata Michx. narrowleaf Indian breadroot roundhead lespedeza Petalostemon occidentalis Lespedeza intermedia (Heller) Fern. sensu Clewell, 1966 Petalostemon purpureus Lespedeza procumbens Michx. (Vent.) Rydb. trailing lespedeza Prosopis glandulosa Torr. Lespedeza repens (L.) W. Bart. honey mesquite creeping lespedeza Prosopis glandulosa Torr. Lespedeza virginica (L.) Britt. var. glandulosa slender lespedeza honey mesquite Lotus purshianus Prosopis juliflora (Sw.) DC. F. E. & E. S. Clements var. glandulosa (Torr.) Cockerell Psoralea argophylla Pursh

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Psoralea cuspidata Pursh Fagaceae Psoralea esculenta Pursh Quercus buckleyi Nixon & Dorr Psoralea linearifolia Torr. & Gray Buckley oak Psoralea tenuiflora Pursh Quercus fusiformis Small Psoralidium lanceolatum plateau oak (Pursh) Rydb. Quercus macrocarpa Michx. lemon scurfpea bur oak Psoralidium tenuiflorum Quercus marilandica Muench. (Pursh) Rydb. blackjack oak slimflower scurfpea Quercus mohriana Buckl. ex Rydb. Robinia pseudoacacia L. Mohr oak black locust Quercus muehlenbergii Engelm. Schrankia uncinata Willd. chinkapin oak Senna marilandica (L.) Link Quercus shumardii Buckl. Maryland senna Shumard's oak Sophora affinis Torr. & Gray Quercus stellata Wangenh. Eve's necklacepod post oak Strophostyles helvula (L.) Ell. Quercus velutina Lam. trailing fuzzybean black oak Strophostyles leiosperma (Torr. & Gray) Piper Fumariaceae slickseed fuzzybean Corydalis aurea Willd. Tephrosia onobrychoides Nutt. scrambled eggs multibloom hoarypea Corydalis aurea Willd. Tephrosia virginiana (L.) Pers. ssp. occidentalis Virginia tephrosia (Engelm. ex Gray) G.B. Ownbey Trifolium dubium Sibthorp Corydalis curvisiliqua Engelm. suckling clover curvepod fumewort Trifolium reflexum L. Corydalis curvisiliqua Engelm. buffalo clover ssp. grandibracteata Trifolium repens L. (Fedde) G.B. Ownbey white clover curvepod fumewort Vicia americana Muhl. ex Willd. Corydalis micrantha ssp. minor (Hook.) C.R. Gunn (Engelm. ex Gray) Gray mat vetch smallflower fumewort Vicia caroliniana Walt. Corydalis micrantha Carolina vetch (Engelm. ex Gray) Vicia ludoviciana Nutt. Gray ssp. micrantha Louisiana vetch smallflower fumewort Vicia ludoviciana Nutt. Gentianaceae ssp. ludoviciana Centaurium texense (Griseb.) Fern. Louisiana vetch Lady Bird's centaury Vicia ludoviciana Nutt. var. texana Eustoma russellianum (Hook.) G. (Torr. & Gray) Shinners Don Vicia texana (Torr. & Gray) Small

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Sabatia campestris Nutt. Phacelia strictiflora Texas star (Engelm. & Gray) Gray prairie phacelia Geraniaceae Phacelia strictiflora (Engelm. & Erodium cicutarium (L.) L'Hér. ex Ait. Gray) redstem stork's bill Gray var. lundelliana Constance Geranium carolinianum L. Lundell's phacelia Carolina geranium Iridaceae Grossulariaceae Nemastylis geminiflora Nutt. Ribes aureum Pursh prairie pleatleaf var. villosum DC. Sisyrinchium angustifolium P. Mill. golden currant narrowleaf blue-eyed grass Sisyrinchium campestre Bickn. Haloragaceae prairie blue-eyed grass Myriophyllum aquaticum (Vell.) Verdc. Isoetaceae parrot feather watermilfoil Isoetes melanopoda Gay & Durieu Myriophyllum heterophyllum Michx. ex Durieu twoleaf watermilfoil blackfoot quillwort Myriophyllum pinnatum (Walt.) B.S.P. Juglandaceae cutleaf watermilfoil Carya cordiformis Myriophyllum sibiricum Komarov (Wangenh.) K. Koch shortspike watermilfoil bitternut hickory Myriophyllum spicatum L. Carya illinoinensis spike watermilfoil (Wangenh.) K. Koch Myriophyllum spicatum L. pecan var. exalbescens (Fern.) Jepson Juglans microcarpa Berl. little walnut Hippocastanaceae Juglans nigra L. Aesculus glabra Willd. black walnut Ohio buckeye Aesculus glabra Willd. var. arguta Juncaceae (Buckl.) B.L. Robins. Juncus acuminatus Michx. Ohio buckeye tapertip rush Juncus aristulatus Michx. Hydrophyllaceae Juncus brachycarpus Engelm. Ellisia nyctelea (L.) L. whiteroot rush Aunt Lucy Juncus diffusissimus Buckl. Nama hispidum Gray slimpod rush bristly nama Juncus dudleyi Wieg. Nemophila phacelioides Nutt. Dudley's rush largeflower baby blue eyes Juncus interior Wieg. Phacelia congesta Hook. inland rush caterpillars Juncus marginatus Rostk. grassleaf rush

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Juncus marginatus Rostk. Prunella vulgaris L. var. setosus Coville common selfheal Juncus nodatus Coville Salvia azurea Michx. ex Lam. stout rush azure blue sage Juncus scirpoides Lam. Scutellaria drummondii Benth. needlepod rush Drummond's skullcap Juncus secundus Beauv. ex Poir. Scutellaria ovata Hill lopsided rush heartleaf skullcap Juncus tenuis Willd. Scutellaria wrightii Gray poverty rush Wright's skullcap Juncus torreyi Coville Teucrium canadense L. Torrey's rush Canada germander Teucrium canadense L. Krameriaceae var. occidentale Krameria lanceolata Torr. (Gray) McClintock & Epling trailing krameria western germander Teucrium canadense L. Lamiaceae var. virginicum (L.) Eat. Hedeoma hispida Pursh Teucrium laciniatum Torr. rough false pennyroyal lacy germander Hedeoma reverchonii (Gray) Gray Reverchon's false pennyroyal Lentibulariaceae Lamium amplexicaule L. Utricularia gibba L. henbit deadnettle humped bladderwort Lycopus americanus Muhl. ex W. Bart. Linaceae American water horehound Linum berlandieri Hook. Lycopus americanus Muhl. var. berlandieri ex W. Bart. Berlandier's yellow flax var. scabrifolius Fern. Linum hudsonioides Planch. Mentha spicata L. Texas flax spearmint Linum imbricatum (Raf.) Monarda citriodora Cerv. ex Lag. Shinners tufted flax lemon beebalm Linum lewisii Pursh Monarda clinopodioides Gray prairie flax basil beebalm Linum pratense (J.B.S. Norton) Monarda dispersa Small Small Monarda fistulosa L. meadow flax wild bergamot Linum rigidum Pursh Monarda mollis L. stiffstem flax Monarda pectinata Nutt. Linum rigidum Pursh pony beebalm var. berlandieri (Hook.) Monarda punctata L. Torr. & Gray spotted beebalm Linum rigidum Pursh var. rigidum Nepeta cataria L. stiffstem flax catnip

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Linum sulcatum Riddell Callirhoe involucrata (Torr. & Gray) grooved flax Gray var. involucrata Linum sulcatum Riddell var. purple poppymallow sulcatum Callirhoe leiocarpa R.F. Martin grooved flax tall poppymallow Callirhoe pedata Loasaceae (Nutt. ex Hook.) Gray Mentzelia albescens palmleaf poppymallow (Gillies & Arn.) Griseb. Hibiscus trionum L. wavyleaf blazingstar flower of an hour Mentzelia decapetala Sida spinosa L. (Pursh ex Sims) prickly fanpetals Urban & Gilg ex Gilg Sphaeralcea coccinea (Nutt.) Rydb. tenpetal blazingstar scarlet globemallow Mentzelia oligosperma Nutt. ex Sims Sphaeralcea coccinea (Nutt.)Rydb. chickenthief ssp. coccinea Mentzelia reverchonii (Urban & Gilg) scarlet globemallow H.J. Thompson & Zavortink Reverchon's blazingstar Menispermaceae Cocculus carolinus (L.) DC. Lythraceae Carolina coralbead Ammannia auriculata Willd. Menispermum canadense L. eared redstem common moonseed Ammannia coccinea Rottb. valley redstem Molluginaceae Ammannia robusta Heer & Regel Mollugo verticillata L. grand redstem green carpetweed Lythrum alatum Pursh winged lythrum Moraceae Lythrum alatum Pursh Maclura pomifera (Raf.) Schneid. var. lanceolatum (Ell.) osage orange Torr. & Gray ex Rothrock Morus alba L. Rotala ramosior (L.) Koehne white mulberry lowland rotala Morus rubra L. red mulberry Malvaceae Abutilon incanum (Link) Sweet Nelumbonaceae pelotazo Nelumbo lutea Willd. Callirhoe alcaeoides (Michx.) Gray American lotus light poppymallow Nyctaginaceae Callirhoe digitata Nutt. Mirabilis albida (Walt.) Heimerl winecup white four o'clock Callirhoe involucrata Mirabilis glabra (S. Wats.) Standl. (Torr. & Gray) Gray smooth four o'clock purple poppymallow Mirabilis hirsuta (Pursh) MacM. hairy four o'clock

Hoagland, B.W. Oklahoma Native Plant Record 47 Volume 2, Number 1, December 2002

Mirabilis linearis (Pursh) Heimerl Ludwigia palustris (L.) Ell. narrowleaf four o'clock marsh seedbox Mirabilis nyctaginea (Michx.) MacM. Ludwigia peploides (Kunth) Raven heartleaf four o'clock ssp. glabrescens (Kunze) Raven floating primrose-willow Nymphaeaceae Ludwigia repens J.R. Forst. Nymphaea odorata Ait. creeping primrose-willow American white waterlily Oenothera biennis L. common evening-primrose Oleaceae Oenothera grandis (Britt.) Smyth Fraxinus pennsylvanica Marsh. showy evening-primrose green ash Oenothera laciniata Hill Onagraceae cutleaf evening-primrose Calylophus berlandieri Spach Oenothera linifolia Nutt. Berlandier's sundrops threadleaf evening-primrose Calylophus berlandieri Spach Oenothera macrocarpa Nutt. ssp. pinifolius ssp. incana (Gray) Wagner (Engelm. ex Gray) Towner bigfruit evening-primrose Berlandier's sundrops Oenothera macrocarpa Nutt. Calylophus hartwegii (Benth.) Raven ssp. macrocarpa ssp. pubescens (Gray) bigfruit evening-primrose Towner & Raven Oenothera speciosa Nutt. Hartweg's sundrops pinkladies Calylophus serrulatus (Nutt.) Raven Oenothera triloba Nutt. yellow sundrops stemless evening-primrose Gaura coccinea Nutt. ex Pursh Stenosiphon linifolius scarlet beeblossom (Nutt. ex James) Heynh. Gaura longiflora Spach false gaura longflower beeblossom

Gaura parviflora Dougl. ex Lehm. Oxalidaceae Oxalis corniculata L. Gaura sinuata Nutt. ex Ser. creeping woodsorrel wavyleaf beeblossom Oxalis dillenii Jacq. Gaura suffulta Engelm. ex Gray Oxalis stricta L. kisses common yellow oxalis Gaura suffulta Engelm. ex Gray Oxalis violacea L. ssp. suffulta violet woodsorrel kisses Gaura triangulata Buckl. Papaveraceae prairie beeblossom Argemone polyanthemos Jussiaea diffusa auct. non Forsk. (Fedde) G.B. Ownbey Jussiaea repens L. crested prickly poppy var. glabrescens Kuntze Papaver dubium L. Ludwigia alternifolia L. blindeyes seedbox Ludwigia decurrens Walt. wingleaf primrose-willow

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Passifloraceae Phlox longipilosa Waterfall Passiflora lutea L. longhair phlox yellow passionflower Polygalaceae Pedaliaceae Polygala alba Nutt. Proboscidea louisianica white milkwort (P. Mill.) Thellung Polygala verticillata L. ram's horn whorled milkwort Polygala verticillata L. Phytolaccaceae var. isocycla Fern. Phytolacca americana L. whorled milkwort American pokeweed Rivina humilis L. Polygonaceae rougeplant Eriogonum annuum Nutt. annual buckwheat Plantaginaceae Eriogonum longifolium Nutt. Plantago aristata Michx. longleaf buckwheat largebracted plantain Eriogonum longifolium Nutt. Plantago elongata Pursh var. longifolium prairie plantain longleaf buckwheat Plantago major L. Persicaria punctata (Ell.) Small common plantain Polygonum amphibium L. Plantago patagonica Jacq. var. emersum Michx. woolly plantain longroot smartweed Plantago pusilla Nutt. Polygonum aviculare L. dwarf plantain prostrate knotweed Plantago rhodosperma Dcne. Polygonum bicorne Raf. redseed plantain Polygonum convolvulus L. Plantago rugelii Dcne. black bindweed blackseed plantain Polygonum hydropiper L. Plantago virginica L. marshpepper knotweed Virginia plantain Polygonum hydropiperoides Michx. Plantago wrightiana Dcne. swamp smartweed Wright's plantain Polygonum lapathifolium L. curlytop knotweed Platanaceae Polygonum pensylvanicum L. Platanus occidentalis L. Pennsylvania smartweed American sycamore Polygonum persicaria L. Polemoniaceae spotted ladysthumb Gilia aggregata (Pursh) Spreng. Polygonum punctatum Ell. ssp. formosissima dotted smartweed (Greene) Wherry Polygonum ramosissimum Michx. Gilia rubra (L.) Heller bushy knotweed Ipomopsis rubra (L.) Wherry Polygonum ramosissimum Michx. standing-cypress var. prolificum Small bushy knotweed

Hoagland, B.W. Oklahoma Native Plant Record 49 Volume 2, Number 1, December 2002

Polygonum scandens L. Ranunculaceae climbing false buckwheat Anemone berlandieri Pritz. Polygonum striatulum B.L. Robins. tenpetal thimbleweed striped knotweed Anemone caroliniana Walt. Polygonum tenue Michx. Carolina anemone pleatleaf knotweed Anemone decapetala auct. non Ard. Polygonum virginianum L. Clematis pitcheri Torr. & Gray jumpseed bluebill Rumex altissimus Wood Clematis versicolor Small ex Rydb. pale dock pale leather flower Rumex crispus L. Consolida ajacis (L.) Schur curly dock doubtful knight's-spur Delphinium carolinianum Walt. Pontederiaceae Carolina larkspur Heteranthera limosa (Sw.) Willd. Delphinium carolinianum Walt. blue mudplantain ssp. virescens (Nutt.) Brooks Pontederia cordata L. Carolina larkspur pickerelweed Myosurus minimus L. tiny mousetail Portulacaceae Ranunculus abortivus L. Claytonia virginica L. littleleaf buttercup Virginia springbeauty Ranunculus longirostris Godr. Portulaca pilosa L. longbeak buttercup kiss me quick Ranunculus sceleratus L. Portulaca umbraticola Kunth cursed buttercup ssp. lanceolata (Engelm.) Matthews & Ketron Rhamnaceae Talinum calycinum Engelm. Ceanothus herbaceus Raf. largeflower fameflower Jersey tea Talinum parviflorum Nutt. sunbright Rosaceae Agrimonia parviflora Ait. Primulaceae harvestlice Androsace occidentalis Pursh Crataegus crus-galli L. western rockjasmine cockspur hawthorn Dodecatheon meadia L. Crataegus engelmannii Sarg. pride of Ohio Engelmann's hawthorn Dodecatheon meadia L. ssp. meadia Crataegus mollis Scheele Arnold pride of Ohio hawthorn Samolus floribundus Kunth Crataegus reverchonii Sarg. Samolus parviflorus Raf. Reverchon's hawthorn Samolus valerandi L. ssp. parviflorus Crataegus viridis L. (Raf.) Hultén green hawthorn seaside brookweed Crataegus viridis L. var. viridis green hawthorn

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Fragaria virginiana Duchesne Rubiaceae Virginia strawberry Cephalanthus occidentalis L. Geum canadense Jacq. common buttonbush white avens Diodia teres Walt. Geum canadense Jacq. poorjoe var. camporum Galium aparine L. (Rydb.) Fern. & Weatherby stickywilly white avens Galium circaezans Michx. Potentilla arguta Pursh var. hypomalacum Fern. tall cinquefoil licorice bedstraw Potentilla arguta Pursh ssp. arguta Galium obtusum Bigelow tall cinquefoil bluntleaf bedstraw Prunus angustifolia Marsh. Galium pilosum Ait. Chickasaw plum hairy bedstraw Prunus gracilis Engelm. & Gray Galium pilosum Ait. Oklahoma plum var. pilosum Prunus hortulana Bailey hairy bedstraw hortulan plum Galium texense Gray Prunus mexicana S. Wats. Texas bedstraw Mexican plum Galium virgatum Nutt. Prunus persica (L.) Batsch southwestern bedstraw peach Hedyotis nigricans (Lam.) Fosberg Prunus rivularis Scheele diamondflowers creek plum Hedyotis nigricans (Lam.) Fosberg Prunus virginiana L. var. nigricans chokecherry diamondflowers Rosa foliolosa Nutt. ex Torr. & Gray Houstonia longifolia white prairie rose var. longifolia Gaertn. Rosa multiflora Thunb. ex Murr. Houstonia purpurea L. var. purpurea multiflora rose Venus' pride Rubus aboriginum Rydb. Houstonia pusilla Schoepf garden dewberry tiny bluet Rubus allegheniensis Porter Sherardia arvensis L. Allegheny blackberry blue fieldmadder Rubus frondosus Bigelow yankee blackberry Rutaceae Rubus idaeus L. Ptelea trifoliata L. ssp. strigosus (Michx.) Focke common hoptree grayleaf red raspberry Ptelea trifoliata L. ssp. polyadenia Rubus ostryafolius Rydb. (Greene) V. Bailey highbush blackberry pallid hoptree Rubus trivialis Michx. Ptelea trifoliata L. ssp. trifoliata southern dewberry var. trifoliate Sanguisorba annua (Nutt. ex Hook.) common hoptree Torr. & Gray prairie burnet

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Ptelea trifoliata ssp. trifoliata L. Collinsia verna Nutt. var. mollis Torr. & Gray spring blue eyed Mary common hoptree Collinsia violacea Nutt. violet blue eyed Mary Salicaceae Gratiola sphaerocarpa Ell. Populus deltoides Bartr. ex Marsh. Gratiola virginiana L. eastern cottonwood roundfruit hedgehyssop Salix caroliniana Michx. Leucospora multifida (Michx.) Nutt. coastal plain willow narrowleaf paleseed Salix nigra Marsh. Lindernia anagallidea black willow (Michx.) Pennell Lindernia dubia (L.) Pennell Santalaceae yellowseed false pimpernel Comandra umbellata (L.) Nutt. Macuillamia rotundifolia (Michx.) ssp. pallida (A. DC.) Piehl Raf. pale bastard toadflax Mimulus glabratus Kunth Sapindaceae roundleaf monkeyflower Cardiospermum halicacabum L. Mimulus glabratus Kunth var. jamesii love in a puff (Torr. & Gray ex Benth.) Gray Sapindus drummondii Hook. & Arn. James' monkeyflower Sapindus saponaria L. Nuttallanthus canadensis (L.) var. drummondii D.A. Sutton (Hook. & Arn.) L.Benson Canada toadflax western soapberry Nuttallanthus texanus (Scheele) D.A. Sutton Sapotaceae Texas toadflax Sideroxylon lanuginosum Michx. Penstemon albidus Nutt. gum bully white penstemon Sideroxylon lanuginosum Michx. Penstemon australis Small ssp. rigidum (Gray) ssp. laxiflorus (Pennell) Bennett T.D. Pennington Penstemon cobaea Nutt. cobaea beardtongue Scrophulariaceae Penstemon fendleri Torr. & Gray Agalinis heterophylla (Nutt.) Fendler's penstemon Small ex Britt. Penstemon oklahomensis Pennell prairie false foxglove Oklahoma beardtongue Bacopa rotundifolia (Michx.) Wettst. Scrophularia lanceolata Pursh disk waterhyssop lanceleaf figwort Castilleja coccinea (L.) Spreng. Veronica arvensis L. scarlet Indian paintbrush corn speedwell Castilleja purpurea (Nutt.) G. Don Veronica peregrina L. downy Indian paintbrush neckweed Castilleja purpurea (Nutt.) G. Don Veronica peregrina L. ssp. var. citrina (Pennell) Shinners xalapensis prairie Indian paintbrush (Kunth) Pennell hairy purslane speedwell

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Simaroubaceae Solanum nigrum auct. non L. Ailanthus altissima (P. Mill.) Swingle Solanum ptychanthum Dunal tree of heaven West Indian nightshade Solanum rostratum Dunal Smilacaceae buffalobur nightshade Smilax bona-nox L. saw greenbrier Tamaricaceae Smilax rotundifolia L. Tamarix gallica L. roundleaf greenbrier salt cedar Smilax tamnoides L. bristly greenbrier Ulmaceae Celtis laevigata Willd. Solanaceae sugarberry Datura meteloides Celtis laevigata Willd. var. reticulata auct. p.p. non Dunal (Torr.) L. Benson Physalis angulata L. netleaf hackberry cutleaf groundcherry Celtis laevigata Willd. Physalis cinerascens var. texana Sarg. (Dunal) A.S. Hitchc. Texan sugarberry var. cinerascens Ulmus americana L. smallflower groundcherry American elm Physalis heterophylla Nees Ulmus rubra Muhl. clammy groundcherry slippery elm Physalis lobata Torr. Physalis longifolia Nutt. Urticaceae longleaf groundcherry Boehmeria cylindrica (L.) Sw. Physalis mollis Nutt. smallspike false nettle field groundcherry Boehmeria cylindrica (L.) Sw. Physalis mollis Nutt. var. drummondiana var. mollis (Weddell) Weddell field groundcherry Parietaria pensylvanica Muhl. Physalis pubescens L. ex Willd. var. integrifolia (Dunal) Waterfall Pennsylvania pellitory husk tomato Parietaria pensylvanica Muhl. Physalis pumila Nutt. ex Willd. var. obtusa dwarf groundcherry (Rydb. ex Small) Shinners Physalis viscosa L. Valerianaceae ssp. mollis (Nutt.) Waterfall Valerianella radiata (L.) Dufr. Quincula lobata (Torr.) Raf. beaked cornsalad Chinese lantern Solanum citrullifolium A. Braun Verbenaceae watermelon nightshade Glandularia bipinnatifida (Nutt.) Nutt. Solanum dimidiatum Raf. var. bipinnatifida western horsenettle Dakota mock vervain Solanum elaeagnifolium Cav. Glandularia canadensis (L.) Nutt. silverleaf nightshade rose mock vervain

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Glandularia pumila (Rydb.) Umber Vitaceae pink mock vervain Ampelopsis cordata Michx. Lippia lanceolata Michx. heartleaf peppervine Phryma leptostachya L. Cissus incisa auct. non Des Moulins American lopseed Cissus trifoliata (L.) L. Phyla incisa Small sorrelvine Phyla lanceolata (Michx.) Greene Parthenocissus quinquefolia lanceleaf fogfruit (L.) Planch. Verbena bipinnatifida Nutt. Virginia creeper Verbena bracteata Lag. & Rodr. Parthenocissus vitacea (Knerr) bigbract verbena A.S. Hitchc. Verbena canadensis (L.) Britt. woodbine Verbena pumila Rydb. Vitis cinerea (Engelm.) Millard Verbena stricta Vent. graybark grape hoary verbena Vitis cinerea (Engelm.) Millard Verbena urticifolia L. var. cinerea white vervain graybark grape Vitis riparia Michx. Violaceae riverbank grape Hybanthus verticillatus (Ortega) Vitis rupestris Scheele Baill. sand grape babyslippers Vitis vulpina L. Viola bicolor Pursh frost grape field pansy Viola missouriensis Greene Zygophyllaceae Viola retusa Greene Tribulus terrestris L. Viola sororia Willd. Puncturevine common blue violet

Viscaceae Phoradendron flavescens Nutt. ex Engelm. Phoradendron leucarpum (Raf.) Reveal & M.C. Johnston oak mistletoe

Hoagland, B.W.