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• INTRODUCTION
• HORSETAIL FAMILY, Equisetaceae
• FIELD HORSETAIL, Equisetum arvense L.
• FERN FAMILY, Polypodiaceae
• BRACKEN, Pteridiurn aquilinum (L.) Kuhn.
• GRASS FAMILY, Gramineae
• JOINTED GOATGRASS, Aegilops cylindrica Host.
• QUACKGRASS, Agropyron repens (L.) Beauv.
• BROOMSEDGE, Andropogon virginicus L.
• PRAIRIE THREEAWN, Aristida oligantha Michx.
• WILD OAT, Avena fatua L.
• JAPANESE BROME, Bromus japonicus Thunb.
• CHEAT, Bromus secalinus L.
• DOWNY BROME, Bromus tectorum L.
• LONGSPINE SANDBUR, Cenchrus longispinus (Hack.)
• BERMUDAGRASS, Cynodon dactylon (L.) Pers.
• LARGE CRABGRASS, Digitaria sanguinalis (L.) Scop.
• SMOOTH CRABGRASS, Digitaria ischaemum (Schreb.)
• BARNYARDGRASS, Echinochloa crusgalli (L.) Beauv.
• STINKGRASS, Eragrostis cilianensis (All.) Lutati.
• WOOLLY CUPGRASS, Eriochloo villosa (Thunb.) Kunth.
• FOXTAIL BARLEY, Hordeum jubatum L.
• LITTLE BARLEY, Hordeum pusillum Nutt.
• DARNEL, Lolium temulentum L.
• WIRESTEM MUHLY, Muhlenbergia frondosa (Poir.) Fern.
• NIMBLEWILL, Muhlenbergia schreberi J. F. Gmel.
• WITCHGRASS, Panicum capillare L.
• FALL PANICUM, Panicum dichotomiflorum Michx.
• WILD PROSO MILLET, Ponicum miliaceum L.
• ANNUAL BLUEGRASS, Poo annua L.
• GIANT FOXTAIL, Setaria faberi Herrm.
• YELLOW FOXTAIL, Setaria lutescens (Weigel) Hubb.
• BRISTLY FOXTAIL, Setaria verticillata (L.) Beauv.
• GREEN FOXTAIL, Setaria Yiridis (L.) Beauv.
• SHATTERCANE, Sorghum bicolor (L.) Moench.
• JOHNSONGRASS, Sorghum holepense (L.) Pers.
• ANNUAL DROPSEED, Sporobolus neglectus Nash.
• PORCUPINEGRASS, Stipa spartea Trin.
• SEDGE FAMILY, Cyperaceae
• HOP SEDGE, Carex lupulinaMuhl.
• YELLOW NUTSEDGE, Cyperus esculentus L.
• RUSH FAMILY, Juncaceae
• SLENDER RUSH, Juncus tenuis Willd.
• LILY FAMILY, Liliaceae
• WILD GARLIC, Allium vineale L.
• WILD ONION, Allium canadense L.
• HEMP FAMILY, Cannabaceae
• HEMP, Cannabis sativa L.
• NETTLE FAMILY, Urticaceae
• STINGING NETTLE, Urtica dioica L.
• BUCKWHEAT FAMILY, Polygonaceae
• PROSTRATE KNOTWEED, Polygonum aviculare L.
• ERECT KNOTWEED, Polygonum erectum L.
• SWAMP SMARTWEED, Polygonum coccineum Muhl.
• WILD BUCKWHEAT, Polygonum convolvulus L.
• PENNSYLVANIA SMARTWEED, Polygonum pensylvanicum L.
• LADYSTHUMB, Polygonum persicaria L.
• RED SORREL, Rumex acetosella L.
• PALE DOCK, Rumex altissimus Wood.
• CURLY DOCK, Rumex crispus L.
• BROADLEAF DOCK, Rumex obtusifolius L.
• GOOSEFOOT FAMILY, Chenopodiaceae
• SPREADING ORACH, Atriplex patula L.
• COMMON LAMBSQUARTERS, Chenopodium album L.
• MEXICANTEA, Chenopodium ambrosioides L.
• MAPLELEAF GOOSEFOOT, Chenopodium hybridum L.
• WINGED PIGWEED, Cyclolorna atriplicifolium (Spreng.) Coult.
• KOCHIA, Kochia scoparia (L.) Schrad.
• RUSSIAN THISTLE, Solsola koli L. var. tenuifolia Tausch.
• PIGWEED FAMILY, Amaranthaceae
• TUMBLE PIGWEED, Amaranthus albus L.
• PROSTRATE PIGWEED, Amaranthus blitoides S. Wats.
• SMOOTH PIGWEED, Amaranthus hybridus L.
• REDROOT PIGWEED, Amoranthus retroflexus L.
• SPINY AMARANTH, Amaranthus spinosus L.
• TALL WATERHEMP, Amaranthus tuberculatus (Moq.) Sauer.
• FOUR-O'CLOCK FAMILY, Nyctaginaceae
• WILD FOUR-O'CLOCK, Mirabilis nyctoginea (Michx.) MacM
• POKEWEED FAMILY, Phytolaccaceae
• COMMON POKEWEED, Phytolocca americona L.
• CARPETWEED FAMILY, Aizoaceae
• CARPETWEED, Mollugo verticillata L.
• PURSLANE FAMILY, Portulacaceae
• PURSLANE, Portulaca oleracea L.
• PINK FAMILY, Caryophyllaceae
• CORN COCKLE, Agrostemma githago L.
• MOUSE-EAR CHICKWEED, Cerastium vulgatum L.
• WHITE COCKLE, Lychnis alba Mill.
• BOUNCINGBET,Saponaria officinalis L.
• SLEEPY CATCHFLY, Silene antirrhina L.
• BLADDER CAMPION, Silene cucubalus Wibel.
• NIGHT-FLOWERING CATCHFLY, Silene noctiflora L.
• CORN SPURRY, Spergula orvensis L.
• COMMON CHICKWEED, Stellaria media (L.) Cyrillo.
• COW COCKLE, Vaccaria segetalis (Neck.) Garcke.
• COWROOT FAMILY, Ranunculaceae
• SMALLFLOWER BUTTERCUP, Ranunculus abortivus L.
• TALL BUTTERCUP, Ranunculus acris L.
• POPPY FAMILY, Papaveraceae
• BLUESTEM PRICKLEPOPPY, Argemone intermedia Sweet.
• CAPER FAMILY, Capparaceae
• ROCKY MOUNTAIN BEEPLANT, Cleome serrulata Pursh.
• MUSTARD FAMILY, Cruciferae
• YELLOW ROCKET, Barbarea vulgaris R. Br.
• HOARY ALYSSUM, Berteroa incana (L.) DC.
• INDIAN MUSTARD, Brassica juncea (L.) Coss.
• BLACK MUSTARD, Brassica nigra (L.) Koch.
• WILD MUSTARD, Brassica kaber (DC.) Wheeler.
• LARGESEED FALSEFLAX, Camelina sativa (L.) Crantz.
• SMALLSEED FALSEFLAX, Camelina microcarpa Andrz.
• SHEPHERD'S PURSE, Capsella bursa-pastoris (L.) Medic.
• HOARY CRESS, Cardaria draba (L.) Desv.
• HARE'S EAR MUSTARD, Conringia orientalis (L.) Dumort.
• TANSY MUSTARD, Descurainia pinnata (Wait.) Britt.
• WORMSEED MUSTARD, Erysimum cheiranthoides L.
• FIELD PEPPERWEED, Lepidium campestre (L.) R. Br.
• GREENFLOWER PEPPERWEED, Lepidium densiflorum Schrad.
• VIRGINIA PEPPERWEED, Lepidium virginicum L.
• BALL MUSTARD, Neslia paniculata (L.) Desv.
• WILD RADISH, Rophanus raphanistrum L.
• AUSTRIAN FIELDCRESS, Rorippa austriaca (Crantz) Bess.
• TUMBLE MUSTARD, Sisymbrium altissimum L.
• HEDGE MUSTARD, Sisymbrium officinale (L.) Scop.
• FIELD PENNYCRESS, Thlaspi arvense L.
• ROSE FAMILY, Rosaceae
• SILVERY CINQUEFOIL, Potentilla argentea L.
• ROUGH CINQUEFOIL, Potentilla norvegica L.
• SULPHUR CINQUEFOIL, Potentilla recta L.
• ARKANSAS ROSE, Rosa arkansana Porter.
• LEGUME FAMILY, Leguminosae
• WILD LICORICE, Glycyrrhiza lepidota (Nutt.) Pursh.
• BLACK MEDIC, Medicago lupulina L.
• NARROWLEAF VETCH, Vicia angustifolia L.
• WOODSORREL FAMILY, Oxalidaceae
• COMMON YELLOW WOODSORREL, Oxalis stricta L.
• GERANIMUM FAMILY, Geraniaceae
• CAROLINA GERANIUM, Geranium carolinianum L.
• CALTROP FAMILY, Zygophyllaceae
• PUNCTUREVINE, Tribulus terrestris L.
• SPURGE FAMILY, Euphorbiaceae
• VIRGINIA COPPERLEAF, Acalypha virginica L.
• WOOLLY CROTON, Croton capitatus Michx.
• TROPIC CROTON, Croton glandulosus L.
• FLOWERING SPURGE, Euphorbia corollata L.
• CYPRESS SPURGE, Euphorbia cyparissias L.
• LEAFY SPURGE, Euphorbia esula L.
• SPOTTED SPURGE, Euphorbia preslii Guss.
• PROSTRATE SPURGE, Euphorbia maculata L.
• SNOW-ON-THE-MOUNTAIN, Euphorbia marginata Pursh.
• CASHEW FAMILY, Anacardiaceae
• POISON IVY, Rhus radicans L.
• MALLOW FAMILY, Malvaceae
• VELVETLEAF, Abutilon theophrasti Medic.
• VENICE MALLOW, Hibiscus trionum L.
• COMMON MALLOW, Malva neglecta Wallr.
• DWARF MALLOW, Malva rotundifolia L.
• PRICKLY SIDA, Sida spinosa L.
• ST. JOHNSWORT FAMILY, Guttiferae
• ST. JOHNSWORT, Hypericum perforatum L.
• CACTUS FAMILY, Cactaceae
• PRICKLYPEAR, Opuntia spp. Mill.
• EVENINGPRIMROSE FAMILY, Onagraceae
• COMMON EVENINGPRIMROSE, Oenothera biennis L.
• PARSLEY FAMILY, Umbelliferae
• SPOTTED WATERHEMLOCK, Cicuta maculata L.
• POISON HEMLOCK, Conium maculatum L.
• WILD CARROT, Daucus carota L.
• WILD PARSNIP, Pastinaca sativa L.
• DOGBANE FAMILY, Apocynaceae
• HEMP DOGBANE, Apocynum cannabinum L.
• MILKWEED FAMILY, Asclepiadaceae
• HONEYVINE MILKWEED, Ampelamus albidus (Nutt.) Britt.
• SWAMP MILKWEED, Asclepias incarnata L.
• COMMON MILKWEED, Asclepias syriaca L.
• EASTERN WHORLED MILKWEED, Asclepias verticillata L.
• MORNINGGLORY FAMILY, Convolvulaceae
• FIELD BINDWEED, Convolvulus arvensis L.
• HEDGE BINDWEED, Convolvulus sepium L.
• DODDER, Cuscuta spp.
• IVYLEAF MORNINGGLORY, Ipomoea hederacea (L.) Jacq.
• TALL MORNINGGLORY, Ipomoea purpurea (L.) Roth.
• BIGROOT MORNINGGLORY, Ipomoea pandurata (L.) G. F. W. Mey.
• WATERLEAF FAMILY, Hydrophyllaceae
• WATERPOD, Ellisia nyctelea L.
• BORAGE FAMILY, Boraginaceae
• HOUNDSTONGUE, Cynoglossum officinale L.
• EUROPEAN STICKTIGHT, Lappula echinata Gilib.
• VERVAIN FAMILY, Verbenaceeae
• PROSTRATE VERVAIN, Verbena bracteata Lag. and Rodr.
• BLUE VERVAIN, Verbena hastata L.
• HOARY VERVAIN, Verbena stricta Vent.
• WHITE VERVAIN, Verbena urticifolia L.
• MINT FAMILY, Labiatae
• DRAGONHEAD, Dracocephalum parviflorum Nutt.
• GROUND IVY, Glechoma hederacea L.
• HENBIT, Lamium amplexicaule L.
• MOTHERWORT, Leonurus cardiaca L.
• FIELD MINT, Mentha arvensis L.
• CATNIP, Nepeta cataria L.
• HEAL-ALL, Prunella vulgaris L.
• AMERICAN GERMANDER, Teucrium canadense L.
• NIGHTSHADE FAMILY, Solanaceae
• JIMSONWEED, Datura stramonium L.
• CLAMMY GROUNDCHERRY, Physalis heterophylia Nees.
• SMOOTH GROUNDCHERRY, Physalis subglabrata Mack. and Bush.
• HORSENETTLE, Solanum carolinense L.
• SILVERLEAF NIGHTSHADE, Solanum elaeagnifolium Cav.
• BITTER NIGHTSHADE, Solanum dulcamara L.
• EASTERN BLACK NIGHTSHADE, Solanum ptycanthum Dun.
• BUFFALOBUR, Solanum rostratum Dunal.
• FIGWORT FAMILY, Scrophulariaceae
• YELLOW TOADFLAX, Linaria vulgaris Hill.
• COMMON MULLEIN, Verbascum thapsus L.
• MOTH MULLEIN, Verbascum blattaria L.
• PURSLANE SPEEDWELL, Veronica peregrina L.
• THYMELEAF SPEEDWELL, Veronica serpyllifolia L.
• BIGNONIA FAMILY, Bignoniaceae
• TRUMPETCREEPER, Campsis radicans (L.) Seem.
• MARTYNIA FAMILY, Martyniaceae
• DEVILSCLAW, Proboscidea louisianica (Mill.) Thell.
• PLANTAIN FAMILY, Plantaginaceae
• BRACTED PLANTAIN, Plantago aristata Michx.
• BUCKHORN PLANTAIN, Plantago lanceolata L.
• BLACKSEED PLANTAIN, Plantago rugelii Dcne.
• BROADLEAF PLANTAIN, Plantago major L.
• WOOLLY PLANTAIN, Plantago purshii Roem. and Schult.
• MADDER FAMILY, Rubiaceae
• POORJOE, Diodia teres Walt.
• CATCHWEED BEDSTRAW, Galium aparine L.
• TEASEL FAMILY, Dipsacaceae
• TEASEL, Dipsacus sylvestris Huds.
• GOURD FAMILY, Cucurbitaceae
• BUFFALO GOURD, Cucurbita foetidissima H.B.K.
• WILD CUCUMBER, Echinocystis lobata (Michx.) T. and G.
• BUR CUCUMBER, Sicyos angulatus L.
• BLUEBELL FAMILY, Companulaceae
• CREEPING BELLFLOWER, Campanula rapunculoides L.
• COMPOSITE FAMILY, Compositae
• COMMON YARROW, Achillea millefolium L.
• COMMON RAGWEED, Ambrosia artemisiifolia L.
• LANCELEAF RAGWEED, Ambrosia bidentata Michx.
• WESTERN RAGWEED, Ambrosia psilostachya DC.
• GIANT RAGWEED, Ambrosia trifida L.
• SKELETONLEAF BURSAGE, Ambrosia tomentosa Nutt.
• WOOLLYLEAF BURSAGE, Ambrosia grayi (A., Nels.) Shinners.
• PLANTAINLEAF PUSSYTOES, Antennaria plantaginifolia (L.) Hook.
• MAYWEED, Anthemis cotula L.
• COMMON BURDOCK, Arctium minus (Hill) Bernh.
• GREAT BURDOCK, Arctium lappa L.
• ABSINTH WORMWOOD, Artemisia absinthium L.
• ANNUAL WORMWOOD, Artemisia annua L.
• HEATH ASTER, Aster ericoides L.
• WHITE HEATH ASTER, Aster pilosus Willd.
• SPANISHNEEDLES, Bidens bipinnata L.
• DEVIL'S BEGGARTICKS, Bidens frondosa L.
• SPOTTED KNAPWEED, Centaurea maculosa Lam.
• RUSSIAN KNAPWEED, Centaurea repens L.
• OXEYE DAISY, Chrysanthemum leucanthemum L.
• CHICORY, Cichorium intybus L.
• PLUMELESS THISTLE, Carduus acanthoides L.
• MUSK THISTLE, Carduus nutans L.
• CANADA THISTLE, Cirsium arvense (L.) Scop.
• FLODMAN THISTLE, Cirsium flodmani (Rydb.) Arthur.
• BULL THISTLE, Cirsium vulgare (Savi) Tenore.
• TALL THISTLE, Cirsium altissimum (L.) Spreng.
• SCOTCH THISTLE, Onopordum acanthium L.
• HORSEWEED, Conyza canadensis (L.) Cronq.
• DWARF FLEABANE, Conyza ramosissima Cronq.
• PLAINS COREOPSIS, Coreopsis tinctoria Nutt.
• SMOOTH HAWKSBEARD, Crepis capillaris (L.) Wallr.
• ROUGH FLEABANE, Erigeron strigosus Muhl.
• WHITE SNAKEROOT, Eupatorium rugosum Houtt.
• LATE EUPATORIUM, Eupatoriurn serotinum Michx.
• SMALLFLOWER GALINSOGA, Galinsoga parviflora Cav.
• FRAGRANT CUDWEED, Gnaphalium obtusifolium L.
• GUMWEED, Grindelia squarrosa (Pursh) Dunal.
• COMMON BROOMWEED, Gutierrezia dracunculoides (DC.) Blake.
• BITTER SNEEZEWEED, Helenium amarum (Rafln.) H. Rock.
• COMMON SNEEZEWEED, Helenium autumnale L.
• COMMON SUNFLOWER, Helianthus annuus L.
• PRAIRIE SUNFLOWER, Helianthus petiolaris Nutt.
• MAXIMILIAN SUNFLOWER, Helianthus maximiliani Schrad.
• JERUSALEM ARTICHOKE, Helianthus tuberosus L.
• ORANGE HAWKWEED, Hieracium aurantiacum L.
• YELLOW HAWKWEED, Hieracium pratense Tausch.
• POVERTYWEED, Iva axillaris Pursh.
• MARSHELDER, Iva xanthifolia Nutt.
• BLUE LETTUCE, Lactuca pulchella (Pursh) DC.
• PRICKLY LETTUCE, Lactuca serriola L.
• TALL LETTUCE, Lactuca canadensis L.
• SKELETONWEED, Lygodesmia juncea (Pursh) D. Don.
• FALSE CHAMOMILE, Matricaria maritima L. var. agrestis (Knaf) Wilmott.
• PINEAPPLEWEED, Matricaria matricarioides (Less.) Porter.
• BLACKEYED SUSAN, Rudbeckia hirta L.
• CUTLEAF CONEFLOWER, Rudbeckia laciniata L.
• GOLDEN RAGWORT, Senecio aureus L.
• CUPPLANT, Silphium perfoliatum L.
• GRAY GOLDENROD, Solidago nemoralis Ait.
• RIGID GOLDENROD, Solidogo rigida L.
• PERENNIAL SOWTHISTLE, Sonchus oleraceus L.
• ANNUAL SOWTHISTLE, Sonchus oleraceus L
• SPINY SOWTHISTLE, Sonchus asper (L.) Hill.
• TANSY, Tanacetum vulgare L.
• COMMON DANDELION, Taraxacum officinale Weber.
• WESTERN SALSIFY, Tragopogon dubius Scop.
• TALL IRONWEED, Vernonia altissima Nutt.
• WESTERN IRONWEED, Vernonia baldwini Torr.
• COMMON COCKLEBUR, Xanthium strumarium L.