7/2010

Common Name Species Name alfalfa Medicago sativa L. Allegheny monkey-flower Mimulus ringens American bittersweet Celastrus scandens L. American bugleweed Lycopus ameicanus Muhl. ex. Bart. American elm Ulmus americana L. American germander Teucrium canadense L. American vetch Vicia americana amur honeysuckle Lonicera maackii asparagus Asparagus officinalis L. autumn olive Elaeagnus umbellata bald spike-rush Eleocharis erythropoda Steud. barnyard grass Echinochloa crusgalli (L.) Beauv. bearded hawkweed Hieracium longipilum Torr. beggar-ticks Bidens connata Mulh. Ex Willd. beggar-ticks Bidens vulgata Greene big bluestem Andropogon gerardii Vitman black medic Medicago lupulina L. black raspberry Rubus occidentalis L. black snakeroot Sanicula canadensis L. black walnut Juglans nigra L. black-eyed Susan Rudbeckia hirta L. black-locust Robinia pseudo-acacia L. blue grama Bouteloua gracillis (H.B.K.) Lag. Ex Griffiths blue lettuce Lactuca pulchera (Pursch) DC. blue lobelia Lobelia siphilitica L. blue mustard Chorispora tenella (Pallas) DC. blue vervain Verbena hastata L. blue-eyed-grass Sisyrinchium campestre Bickn. bog yellow cress Rorippa palustris (L.) bottlebrush sedge Carex hystericina Muhl. ex Willd. box-elder Acer negundo L. bristly greenbriar Smilax hispida Muhl. broad-leaf cattail Typha latifolia L. brook cinquefoil Potentilla rivalis Nutt. buffalo grass Buchloe dactyloides (Nutt.) Engelm. buffalobur Solanum rostratum Dun. bull thistle Cirsium vulgare (Savi) Ten. bur cucumber Sicyos angulatus L. bur oak Quercus macrocarpa Michx. butterfly milkweed Asclepias tuberosa L. 7/2010

Canada bluegrass Poa compressa L. Canada goldenrod Solidago canadensis L. Canada milk-vetch Astragalus candensis L. Canada wild-rye Elymus canadensis candle anemone Anemone cylindrica A. Gray Carolina anemone Anemone caroliniana Walt. carrion-flower Smilax lasioneura catchweed bedstraw Galium aparine L. catnip Nepeta cataria L. catnip giant-hyssop Agastache nepetoides (L.) O. Ktze chenopodium Chenopodium standleyanum Aellen chenopodium Chenopodium strictum Roth chickweed Stellaria pallida (Dumort) Pire chicory Chichorium intybus L. chokecherry Prunus virginiana L. clammy ground-cherry Physalis heterophylla clearweed Pilea pumila (L.) A. Gray climbing buckwheat Polygonum convolulus L. cobaea penstemon Penstemon cobaea Nutt. common arrowhead Sagittaria latifolia Willd. common boneset Eupatorium perfoliatum common burdock Arctium minus Bernh. common evening primrose Oenothera biennis L. var canescens Syn. common evening primrose Oenothera biennis L. var. biennis Polygonum aviculare L. ssp. Depressum (Meissn.) Arcang. [P. arenastrum common knotweed Boureau] common mallow Malva neglecta Wallr. common milkweed Asclepias syriaca L. common mullein Verbascum thapsus L. common ragweed Ambrosia artemisiifolia L. common scouring-rush Equisetum hyemale var. affine common sow thistle Sonchus asper L. common St. John's-wort Hypericum perforatum Lam. common sunflower Helianthus annuus L. common witchgrass Panicum capillare L. compass-plant Silphium laciniatum coralberry/buckbrush Symphoricarpos orbiculatus Moench corn speedwell Veronica arvensis L. cottonwood Populus deltoides Marsh. cup plant Silphium perfoliatum L. curly cup gumweed Grindelia squarrosa (Pursh) Dun. curly dock Rumex crispus L. 7/2010 cursed crowfoot Ranunculus sceleratus L. daisy fleabane Erigeron strigosus Muhl. ex Willd. dandelion Taraxacum officinale Weber dark green rush Scirpus atrovirens Willd. David's spurge Euphorbia davidii deptford pink Dianthus armeria L. desert goosefoot Chenopodium pratericola Rydb. Devil's beggar-ticks Bidens frondosa L. ditch stonecrop Penthorum sedioides L. dotted gayfeather Liatris punctata Hook. downy blue violet Viola sororia Willd. downy brome Bromus tectorum L. downy gentian Gentiana puberulenta eastern black nightshade Solanum ptycanthum Dun. ex DC. eastern red-cedar Juniperus virginaina L. eastern virgin's-bower Clematis virginiana elderberry Sambucus canadensis L. English plantain Plantago lanceolata L. evening catchfly Silene noctiflora L. evening champion Silene latifolia Poiret eyebane Euphorbia nutans Lag. fall panicum Panicum dichotomiflorum Michx. fall witchgrass Digitaria cognatum false boneset Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) false dandelion Nothocalais cuspidata (Pursh) Greene false indigo Amorpha fruticosa L. false sunflower, ox-eye Heliopsis helianthoides (L.) Sweet false toadflax Comandra umbellata (L.) Nutt. Ferris' horsetail Equisetum Xferrissii fetid marigold Dyssodia papposa (Vent.) Hitchc. field bindweed Convolvulus arvensis L. field horsetail Equisetum arvense L. field mint, wild mint Mentha arvensis L. field penny cress Thlaspi arvense L. field pussytoes Antennaria neglecta Greene field speedwell Veronica polita Fries fire-on-the-mountain Euphorbia cyathophora fireweed Erechtites hieracifolia (L.) Raf.ex DC. Flodman's thistle Cirsium flodmanii (Rydb.) Arthur four o'clock Mirabilis nyctangnea L. fowl bluegrass Poa palustris L. 7/2010 fowl mannagrass Glyceria striata (Lam.) Hitchc. foxtail Hordeum jubatum L. fringed loosestrife Lysimachia ciliata L. giant foxtail Setaria faberi Herrm. giant ragweed Ambrosia trifida L. goat's-beard Tragopogon dubius Scop. golden-glow Rudbeckia laciniata L. goosegrass Eleusine indica L. Gaertn. gray sedge Carex grisea Wahl. gray-green wood-sorrel Oxalis dillenii Jacq. greater duckweed Spirodela polyrrhiza (L.) Schleid green ash Fraxinus pennsylanvica Marsh. green foxtail Setaria viridis (L.) Beauv. green milkweed Asclepias viridiflora Raf. grooved yellow flax Linum sulcatum Ridd. ground-plum Astragalus crassicarpus Nutt. hackberry Celtis occidentalis L. hairy crabgrass Digitaria sanguinalis (L.) Scop. hairy grama Bouteloua hirsuta Lag. hairy vetch Vicia villosa Roth hairy wild-rye Elymus villosus Muhl. ex. Willd. hard grass Sclerochloa dura (L.) Beauv. heath aster Aster ericoides L. hedge bindweed Calystegia sepium (L.)R.Br. henbit Lamium amplexicaule L. hoary cress Lepedium draba L. hoary tick-clover Desmodium canescens L. DC. hoary vervain Verbena stricta Vent. hog peanut Amphicarpaea bracteata (L.) Fern. honey-locust Gledistsia triacanthos L. hooded arrowhead Sagittaria calycina Engelm. hornwort Ceratophyllum demersum L. horse-nettle Solanum carolinense L. horse-weed Conyza candensis (L.) Cronq. hybrid elm Ulmus Xnotha Illinois bundleflower Desmanthus illinoensis Illinois tick-clover, tick trefoil Desmodium illinoense A. Gray indian grass Sorghastrum nutans (L.) Nash indian hemp dogbane Apocynum cannabinum L. indian plantain Arnoglossum plantagineum Raf. Syn. Cacalia plantaginea (Raf.) Shinners inland rush Juncus interior Wieg. 7/2010

Japanese brome Bromus japonicus Thunb. ex. Murr. Jerusalem artichoke Helianthus tuberosus L. jimson weed Datura stramonium L. junegrass Koeleria micrantha (Lam.) Beauv Kentucky bluegrass Poa pratensis L. knotweed Polygonum aviculare L. ssp. aviculare Korean lespedeza Kummerowia stipulacea (Maxim.) Schindler lady's-thumb Polygonum persicaria L. lamb's-quarters Chenopodium album L. large-flowered gaura Gaura longiflora Spach leadplant Amorpha canescens Pursh leafy pondweed Potamogeton fp;opsis Raf. leafy spurge Euphorbia esula L. Leonard's small skullcap Scutellaria parvula Michx. little barley Hordeum pusillum Nutt. little bluestem Schizachyrium scoparium (Michx.) Nash long-bracted spiderwort Tradescantia bracteata Small Macoun's bindweed Calystegia macounii (Greene) Brummitt maple-leaved goosefoot Chenopodium simplex (Torr.) Ref. marijuana Cannabis sativa L. marsh muhly Muhlenburgia racemosa (Michx.) B.S.P. Maximilian's sunflower Helianthus maximiliani Mead's sedge Carex meadii Dew. mild water pepper Polygonum hydropiperoides Michx. Missouri goldenrod Solidago missouiensis Nutt. Missouri gooseberry Ribes missouriense Nutt. moonseed Menispermum canadense L. motherwort Leonurus cardiaca L. multiflora rose Rosa multiflora Thunb. musk thistle Carduus nutans L. narrowleaf bluet Houstonia nigricans (Lam.) Fernald narrow-leaf cattail Typha angustifolia L. narrow-leaved milkweed Asclepias stenophylla A. Gray narrow-leaved puccoon Lithospermum incisum Lehm. New Jersey tea Ceanothus herbaceus Raf. nodding beggar-ticks Bidens cernua L. nodding fescue Festuca subverticillata (Persoon) E. Alexeev nodding ladies'-tresses orchid Spiranthes cernua (L.) Rich. northern bog violet Viola nephrophylla northern catalpa Catalpa speciosa Warder Norwegian cinquefoil Potentilla norvegica L. 7/2010 old-field balsam Gnaphalium obtusifolium L. orchard grass Dactylis glomerata L. pale dock Rumex altissimus Wood. pale penstemon Penstemon pallidus pale-seeded plantain Plantago viriginica Dcne. panicled aster Aster lanceolatus Willd. partridge-pea Chamaecrista fasciculata (Michx.) Greene peachleaf willow Salix amygdaloides Anderss. Pennsylvania pellitory Parietaria pensylvanica Muhl. ex Willd. Pennsylvania smartweed Polygonum pensylvanicum L. peppergrass Lepidium densiflorum Schrad. Philadelphia fleabane Erigeron philadelphicus L. pineapple weed Matricaria discoideA DC. pink smartweed Polygonum bicorne Raf. pitcher's sage Salvia azurea Lam. pitseed goosefoot Chenopodium berlandieri Moq. pitseed goosefoot Chenopodium missouriense Aellen plains muhly Muhlenburgia cuspidata plains wild indigo Baptisia bracteata Muhl. ex Ell. plains yellow primrose Calylophus serrulatus (Nutt.) Raven poison hemlock Conium maculatum L. poison ivy Toxicodendron radicans (L.) O.Ktze pokeweed Phytolacca ameicana L. porcupine grass Stipa spartea Trin. poverty grass Sporobolus vaginiflorus (Torr. ex Gray) Wood prairie coneflower Ratibida columnifera (Nutt.) Woot. & Standl. prairie cordgrass Spartina pectinata Link. prairie dropseed Sporobolus heterolepis (A. Gray) A. Gray prairie larkspur Delphinium virescens Nutt. prairie ragwort Senecio plattensis Nutt. prairie three-awn Aristida oligantha Michx. prairie trefoil Lotus purshianus (Benth.) Clem. & Clem. prairie turnip Pediomelum esculentum (Pursh) Rydb. prairie violet Viola pedatifida G. Don prairie wedgegrass Sphenopholis obtusata (Michx.) Scribn. prairie wild rose Rosa arkansana Porter prickly lettuce Lactuca serriola L. prostate vervain Verbena bracteata Lag. & Rodr. puncture-vine Tribulus terrestris L. purple coneflower Echinaceae angustifolia DC. purple lovegrass Eragrostis spectabilis (Pursh) Steud. 7/2010 purple meadow rue Thalictrum dayscarpum Fisch. & Ave-Lall. purple poppy-mallow Callirhoe involucrata (T.&G.) A. Gray purple prairie-clover Dalea purpurea Vent. purple top Tridens flavus purple-leaved willow-herb Epilobium coloratum Biehler purslane speedwell Veronica peregrina L. red clover Trifolium pratense L. red elm Ulmus rubra Muhl. redtop Agrostis stolonifera L. reed canarygrass Phalaris arundinacea L. rice cutgrass Leersia oryzoides L. riverbank grape Vitis riparia Michx. rosinweed Silphium integrifolium Michx. rough false pennyroyal Hedeoma hispidum L. rough gayfeather Liatris aspera Michx. rough pigweed Amaranthus retroflexus L. rough-leaved dogwood Cornus drummondi D. A. Mey. round-head bush-clover Lespedeza capitata Michx. Rugel's plantain Plantago rugelii Dcne. Russian olive Elaeagnus angustifolia L. rusty flatsedge Cyperus odoratus L. sand paspalum Paspalum setaceum Michx. sandbar willow Salix exigua Nutt. sandbur Cenchrus longispinus (Hack.) Fern. sawbeak sedge Carex stipata Muhl. ex Willd. sawtooth sunflower Helianthus grosseserratus Martens Scribner dichanthelium Panicum oligosanthes Schutt. Var. scribnerianum (Nash) Fernald sedge Cyperus schweinitzii Torr. shattercane Sorghum bicolor L. Moench shell-leaf penstemon Penstemon grandiflorus shepherd's-purse Capsella bursa-pastrois (L.) Medic. short-beak arrowhead Sagittaria brevirostra short-beaked sedge Carex brevior (Dew.) Mack.es Lune showy goldenrod Solidago speciosa Siberian elm Ulmus pumila L. sideoats grama Bouteloua curtipendula (Michx.) Torr. silky aster Aster sericeus Vent. silver-leaf scurf-pea Pediomelum argophyllum (Pursh) Grimes slender gerardia Agalinis tenuifloia (Vahl) Raf. small duckweed Lemna minor L. smallflower buttercup Ranunculus arbortivus L. 7/2010 smartweed dodder Cuscuta poloygonorum Engelm. smooth brome Bromus inermis Leyss. smooth crabgrass Digitaria ischaemum smooth scouring-rush Equisetum laevigatum A. Br. smooth sumac Rhus glabra L. snow-on-the-mountain Euphorbia marginata Pursh soft-stem bulrush Schoenoplectus tabernaemontanii (Gmel.) Palla Solomon's-seal Polygonatum bilorum (Walt.) Ell. spearleaf ground-cherry Physalis longifolia Nutt. spider milkweed Asclepias viridis Walt. stickseed Hackelia virginiana (L.) I.M. Johnst. stiff goldenrod Solidago rigida L. stiff sunflower Helianthus pauciflorus Nutt. stinkgrass Eragrostis cilianensis (All.) E. Mosher straw-colored flatsedge Cyperus strogosus L. sulphur cinquefoil Potentilla recta L. sun sedge Carex heliophila Mack. swamp milkweed Asclepias incarnata L. switchgrass Panicum virgatum L. tall dropseed Sporobolus compositus (Poir.) Merr. tall fescue Lolium arundiancea (Schreb.) S. J. Darbyshire tall hedge mustard Sisymbrium loeselli L. tall nettle Urtica dioica L. tall thistle Cirsium altissimum (L.) Spreng. tansy mustard Descurainia pinnata (Walt.) Britt. Texas croton Croton texensis (Kl.) Muell. Arg. thickspike gayfeather Liatris pycnostachya three-square bulrush Schoenoplectus pungens (Vahl.) Palla timothy Phleum pratense L. toothcup Ammannia robusta Heer & Regel. toothed spurge Euphorbia dentata Michx. tumblegrass Schedonnardus paniculatus (Nutt.) Trel. velvet-leaf Abutilon theophrasti Medic. velvety gaura Gaura parviflora Dougl. Venice mallow Hibiscus trionum L. Venus's-looking-glass Triodanis perfoliata (L.) Nieuw. violet wood-sorrel Oxalis violacea L. Virginia creeper Parthenocissus quinquefolia (L.) Planch. Virginia ground-cherry Physalis virginiana P. Mill. Virginia wild-rye Elymus virginicus L. wahoo Euonymus atropurpureus 7/2010 water hemp Amaranthus tuberculatus (Moq.) J.D. Sauer Syn. A.rudis Sauer water smartweed Polygonum punctatum Ell. watermeal Wolffia columbiana Karst. waterpod Ellisia nyctelea L. wavy-leaf thistle Cirsium undulatum (Nutt.) Spreng. western ironweed Vernonia baldwinii Torr. western ragweed Ambrosia psilostachya DC. western rock jasmine Androsace occidentalis Pursh western snowberry Symphoricarpos occidentalis Hook. western wallflower Erysimum asperum (Nutt.) DC. western wheatgrass Elymus smithii (Rydb.) Gould white avens Geum canadense Jacq. white clover Trifolium repens L. white lettuce Prenanthes aspera Michx. white mulberry Morus alba L. white prairie-clover Dalea candida Michx. ex Willd. white sage Artemisia ludoviciana Nutt. white snakeroot Ageratina altissima (L.) R. King & H. Ribins. white sweet-clover Melilotus albus Medic. white vervain Verbena urticifolia L. white whitlow-wort Draba reptans (Lam.) Fern. whitegrass Leersia virginica Willd. whorled milkweed Asclepias verticillata L. whorled milkwort Polygala verticillata L. wild alfalfa Psoralea tenuiflora Pursh. wild bean Strophostyles leiosperma (T.& G.) Piper wild bergamot Monarda fistulosa L. wild lettuce Lactuca canadensis L. wild licorice Glycyrrhiza lepidota Pursh wild onion Allium canadense L. var. canadense wild onion Allium canadense L. var. lavendulare wild pansy / Johnny-jump-up Viola bicolor Lomatium foeniculaceum (Nutt.) Coult. & Rose var. daucifolium (Torr. & wild parsley A. Gray) wild petunia Ruellia humilis L. wild plum Prunus americana Marsh. wild strawberry Fragaria virginiana Duchn. willow-leaved lettuce Lactuca saligna L. windmill grass Chloris verticillata Nutt. winged loosestrife Lythrum alatum var. alatum winter cress Barbarea vulgaris R. Br. wirestem muhly Muhlenburgia frondosa (Poir.) Fern. 7/2010 wood nettle Laportea canadensis (L.) Wedd. wood sedge Carex blanda Dew. woodbine Parthenocissus vitacea (Knerr) Hitchc. woolly milkweed Asclepias langulosa L. woolly plantain Plantago patagonica Jacq. wooly dichanthelium Panicum acuminatum Sw. wormseed wallflower Erysimum cheiranthoides L. yarrow Achillea millefolium L. yellow foxtail Setaria pumila (poir.) roem. & Shult. yellow sweet-clover Melilotus officinalis (L.) Pall. yellow wood-sorrel Oxalis stricta L. yerba de tajo Eclipta prostrata (L.) L.