Weed List For Interactive Encyclopedia of North American Weeds By Scientific Name Version 4.0

Transcription

1 Weeds in bold are new for Version 4.0 Velvetleaf Abutilon theophrasti Medik. ABUTH Malvaceae Copperleaf, Hophornbeam Acalypha ostryifolia Riddell ACCOS Euphorbiaceae Copperleaf, Virginia Acalypha virginica L. ACCVI Euphorbiaceae Bristly Starbur Acanthospermum hispidum DC. ACNHI Asteraceae Boxelder Acer negundo L. ACRNE Aceraceae Yarrow, Common Achillea millefolium L. ACHMI Asteraceae Knapweed, Russian Acroptilon repens (L.) DC. CENRE Asteraceae Jointed Goatgrass Aegilops cylindrica Host AEGCY Poaceae Jointvetch, Indian Aeschynomene indica L. AESIN Fabaceae Jointvetch, Rough Aeschynomene rudis Benth. AESRU Fabaceae Snakeroot, White Ageratina altissima (L.) King & H.E. Robins. EUPRU Asteraceae Corncockle Agrostemma githago L. AGOGI Caryophyllaceae Bentgrass, Creeping Agrostis stolonifera L. AGSST Poaceae Tree-of-Heaven Ailanthus altissima (P. Mill.) Swingle AILAL Simaroubaceae Silktree Albizia julibrissin Durazz. ALBJU Fabaceae Mustard, Garlic Alliaria petiolata (Bieb.) Cavara & Grande ALAPE Brassicaceae Onion, narrowleaf Allium amplectens Torr. ALLAP Liliaceae Onion, Wild Allium canadense L. ALLCA Liliaceae Onion, textile Allium textile A. Nels. & J. F. Macbr. ALLTE Liliaceae Garlic, Wild Allium vineale L. ALLVI Liliaceae Foxtail, Creeping Meadow Alopecurus arundinaceus Poir. ALOAR Poaceae Foxtail, Carolina Alopecurus carolinianus Walt. ALOCA Poaceae Blackgrass Alopecurus myosuroides Huds. ALOMY Poaceae Alligatorweed Alternanthera philoxeroides (Mart.) Griseb. ALRPH Amaranthaceae Pigweed, Tumble Amaranthus albus L. AMAAL Amaranthaceae Pigweed, Prostrate Amaranthus blitoides S. Wats. AMABL Amaranthaceae Pigweed, Smooth Amaranthus hybridus L. AMACH Amaranthaceae Amaranth, Palmer Amaranthus palmeri S. Wats. AMAPA Amaranthaceae Amaranth, Powell Amaranthus powellii S. Wats. AMAPO Amaranthaceae Pigweed, Redroot Amaranthus retroflexus L. AMARE Amaranthaceae Waterhemp, Common Amaranthus rudis Sauer AMATA Amaranthaceae Amaranth, Spiny Amaranthus spinosus L. AMASP Amaranthaceae Waterhemp, Tall Amaranthus tuberculatus (Moq.) J.D. Sauer AMATU Amaranthaceae Amaranth, Slender Amaranthus viridis L. AMAVI Amaranthaceae Ragweed, Common Ambrosia artemisiifolia L. AMBEL Asteraceae Ragweed, Lanceleaf Ambrosia bidentata Michx. AMBBI Asteraceae Bursage, Woollyleaf Ambrosia grayi (A.Nels.) Shinners AMBGR Asteraceae Ragweed, Western Ambrosia psilostachya DC AMBPS Asteraceae Ragweed, Giant Ambrosia trifida L. AMBTR Asteraceae Redstem Ammannia coccinea Rottb. AMMCO Lythraceae Peppervine Ampelopsis arborea (L.) Koehne AMCAR Vitaceae Broomweed, Common Amphiachyris dracunculoides (DC.) Nutt. GUEDR Asteraceae Fiddleneck, Coast Amsinckia intermedia Fisch. and Mey. AMSIN Boraginaceae Pimpernel, Scarlet Anagallis arvensis L. ANGAR Primulaceae Bluestem, Big Andropogon gerardii Vitman ANOGE Poaceae Broomsedge Andropogon virginicus L. ANOVI Poaceae Dill Anethum graveolens L. AFEGR Apiaceae Anoda, Spurred Anoda cristata (L.) Schlecht. ANVCR Malvaceae Chamomile, Mayweed Anthemis cotula L. ANTCO Asteraceae Windgrass, Silky Apera spica-venti (L.) Beauv. APESV Poaceae Page 1

2 Dogbane, Hemp Apocynum cannabinum L. APCCA Apocynaceae Cress, Mouse-ear Arabidopsis thaliana (L.) Heynh. ARBTH Brassicaceae Peanut Arachis hypogaea L. ARHHY Fabaceae Burdock, Great Arctium lappa L. ARFLA Asteraceae Burdock, Common Arctium minus (Hill) Bernh. ARFMI Asteraceae Pricklepoppy, Mexican Argemone mexicana L. ARGME Papaveraceae Pricklepoppy, Annual Argemone polyanthemos (Fedde) G.B. Ownbey ARGPL Papaveraceae Threeawn, Prairie Aristida oligantha Michx. ARKOL Poaceae Threeawn, Purple Aristida purpurea Nutt. ARKPU Poaceae Oatgrass, Tall Arrhenatherum elatius (L.) Beauv. Ex J. & K. Presl ARREL Poaceae Wormwood, Absynth Artemisia absinthium L. ARTAB Asteraceae Wormwood, Annual Artemisia annua L. ARTAN Asteraceae Wormwood, Biennial Artemisia biennis Willd. ARTBI Asteraceae Sagebrush, Silver Artemisia cana Pursh ARTCN Asteraceae Sagebrush, Sand Artemisia filifolia Torr. ARTFI Asteraceae Sagebrush, Fringed Artemisia frigida Willd. ARTFR Asteraceae Wormwood, Louisiana Artemisia ludoviciana Nutt. ARTLU Asteraceae Sagebrush, Big Artemisia tridentata Nutt. ARTTR Asteraceae Sagebrush, Mountain Artemisia tridentata var. vaseyana ARTTV Asteraceae Mugwort Artemisia vulgaris L. ARTVU Asteraceae Reed, Giant Arundo donax L. ABKDO Poaceae Milkweed, Mexican Whorled Asclepias fascicularis Dcne. ASCFA Asclepiadaceae Milkweed, Swamp Asclepias incarnata L. ASCIN Asclepiadaceae Milkweed, Common Asclepias syriaca L. ASCSY Asclepiadaceae Milkweed, Eastern Whorled Asclepias verticillata L. ASCVE Asclepiadaceae Orach, Halberdleaf Atriplex patula L. ATXPA Chenopodiaceae Orach, Triangle Atriplex prostrata Boucher ex DC. ATXHA Chenopodiaceae Wild Oat Avena fatua L. AVEFA Poaceae Oats Avena sativa L. AVESA Poaceae Waterhyssop, Disc Bacopa rotundifolia (Michx.) Wettst. BAORO Scrophulariaceae Rocket, Yellow Barbarea vulgaris R. Br. BARVU Brassicaceae Daisy, English Bellis perennis L. BELPE Asteraceae Alyssum, Hoary Berteroa incana (L.) DC. BEFIN Brassicaceae Beet, Sugar Beta vulgaris L. BEAVX Chenopodiaceae Spanishneedles Bidens bipinnata L. BIDBI Asteraceae Beggarticks, Nodding Bidens cernua L. BIDCE Asteraceae Beggarticks, Devils Bidens frondosa L. BIDFR Asteraceae Bowlesia, Hoary Bowlesia incana Ruiz & Pavon BOWIN Apiaceae Mustard, Indian Brassica juncea (L.) Czern. BRSJU Brassicaceae Rapeseed / Canola Brassica napus (L.) Koch BRSNN Brassicaceae Mustard, Black Brassica nigra (L.) W.D.J. Koch BRSNI Brassicaceae Birdsrape Mustard / Canola / Rapeseed Brassica rapa L. BRSRA Brassicaceae Boneset, False Brickellia eupatorioides (L.) Shinners KUHEU Asteraceae Field Brome Bromus arvensis L. BROAV Poaceae Brome, California Bromus carinatus Hook. & Am. BROCN Poaceae Rescuegrass Bromus catharticus Vahl BROCA Poaceae Hairy Chess Bromus commutatus Schrad. BROCO Poaceae Brome, Ripgut Bromus diandrus Roth BRODI Poaceae Brome, Soft Bromus hordeaceus L. BROMO Poaceae Brome, Smooth Bromus inermis Leyss. BROIN Poaceae Brome, Japanese Bromus japonicus Thunb. ex Murr. BROJA Poaceae Page 2

3 Cheat Bromus secalinus L. BROSE Poaceae Brome, Downy Bromus tectorum L. BROTE Poaceae Redvine Brunnichia ovata (Walt.) Shinners BRVCI Polygonaceae Buffalograss Buchloe dactyloides (Nutt.) Engelm. BUCDA Poaceae Gromwell, Corn Buglossoides arvense (L.) I. M. Johnston LITAR Boraginaceae Bindweed, Hedge Calystegia sepium (L.) R. Br. CAGSE Convolvulaceae Smallseed Falseflax Camelina microcarpa Andrz. CMAMI Brassicaceae Falseflax, Largeseed Camelina sativa (L.) Crantz CMASA Brassicaceae Bellflower, creeping Campanula rapunculoides L. CMPRA Campanulaceae Trumpetcreeper Campsis radicans (L.) Seem. ex Bureau CMIRA Bignoniaceae Marijuana Cannabis sativa L. CNISA Cannabaceae Texasweed Caperonia palustris (L.) St. Hil. CNPPA Euphorbiaceae Shepherdspurse Capsella bursa-pastoris (L.) Medik. CAPBP Brassicaceae Bittercress, Hairy Cardamine hirsuta L. CARHI Brassicaceae Smallflowered Bittercress Cardamine parviflora L. CARPA Brassicaceae Hoary Cress Cardaria draba (L.) Desv. CADDR Brassicaceae Balloonvine Cardiospermum halicacabum L. CRIHA Sapindaceae Thistle, Plumeless Carduus acanthoides L. CRUAC Asteraceae Thistle, Musk Carduus nutans L. CRUNU Asteraceae Sedge, Woodland Carex blanda Dewey CRXBL Cyperaceae Sedge, Wolftail Carex cherokeensis Schwein. CRXCH Cyperaceae Sedge, Frank Carex frankii Kunth CRXFR Cyperaceae Sedge, Ripgut Carex lacustris Willd. CRXLA Cyperaceae Sedge, Woolfruit Carex lasiocarpa Ehrh. CRXLA Cyperaceae Sedge, Hop Carex lupulina Muhl. Ex Willd. CRXLU Cyperaceae Sedge, Nebraska Carex nebrascensis Dewey CRXNB Cyperaceae Sandbur, Southern Cenchrus echinatus L. CCHEC Poaceae Sandbur, Longspine Cenchrus longispinus (Hack.) Fern. CCHPA Poaceae Sandbur, Field Cenchrus spinifex Cav. CCHIN Poaceae Knapweed, Spotted Centaurea biebersteinii DC. CENMA Asteraceae Cornflower Centaurea cyanus L. CENCY Asteraceae Knapweed, Diffuse Centaurea diffusa Lam. CENDI Asteraceae Starthistle, Yellow Centaurea solstitialis L. CENSO Asteraceae Chickweed, Mouseear Cerastium fontanum ssp. vulgare (Hart.) Greuter & Burdet CERVU Caryophyllaceae Partridgepea Chamaecrista fasciculata (Michx.) Greene CASFA Caesalpiniaceae Spurge, Prostrate Chamaesyce humistrata (Engelm. ex Gray) Small EPHHT Euphorbiaceae Spurge, Hyssop Chamaesyce hyssopifolia (L.) Small EPHHS Euphorbiaceae Spurge, Spotted Chamaesyce maculata (L.) Small EPHMA Euphorbiaceae Spurge, Nodding Chamaesyce nutans (Lag.) Small EPHNU Euphorbiaceae Fireweed Chamerion angustifolium (L.) Holub. CHAAN Onagraceae Lambsquarters, Common Chenopodium album L. CHEAL Chenopodiaceae Mexicantea Chenopodium ambrosioides L. CHEAM Chenopodiaceae Lambsquarters, Narrowleaf Chenopodium dessicatum A. Nels. CHEPR Chenopodiaceae Lambsquarters, Slimleaf Chenopodium leptophyllum (Moq.) Nutt. ex S. Wats. CHELE Chenopodiaceae Goosefoot, Nettleleaf Chenopodium murale L. CHEMU Chenopodiaceae Goosefoot, Giantseed Chenopodium simplex (Torr.) Raf. CHEHQ Chenopodiaceae Windmillgrass, Tumble Chloris verticillata Nutt. CHRVE Poaceae Feather Fingergrass Chloris virgata Sw. CHRVI Poaceae Rush Skeletonweed Chondrilla juncea L. CHOJU Asteraceae Mustard, Blue Chorispora tenella (Pallas) DC. COBTE Brassicaceae Rabbitbrush, Douglas Chrysothamnus viscidiflorus (Hook.) Nutt. CYTVI Asteraceae Page 3

4 Chicory Cichorium intybus L. CICIN Asteraceae Waterhemlock, Spotted Cicuta maculata L. CIUMC Apiaceae Thistle, Tall Cirsium altissimum (L.) Hill CIRAL Asteraceae Thistle, Canada Cirsium arvense (L.) Scop. CIRAR Asteraceae Thistle, Field Cirsium discolor (Muhl. ex Willd.) Spreng. CIRDI Asteraceae Thistle, Yellow Cirsium horridulum Michx. CIRHO Asteraceae Thistle, Wavyleaf Cirsium undulatum (Nutt.) Spreng. CIRUN Asteraceae Thistle, Bull Cirsium vulgare (Savi) Tenore CIRVU Asteraceae Citronmelon Citrullus lanatus var. citroides (Bailey) Mansf. CITLC Cucurbitaceae Miner's Lettuce Claytonia perfoliata Donn ex Willd. CLAPE Portulaceaceae Spiderflower Cleome gynandra L. CYAGY Capparaceae Beeplant, Rocky Mountain Cleome serrulata Pursh CLESE Capparidaceae Basil, Wild Clinopodium vulgare L. STIVU Lamiaceae Redberry Moonseed Cocculus carolinus (L.) DC COUCA Menispermaceae Dayflower, Benghal Commelina benghalensis L. COMBE Commelinaceae Dayflower, Asiatic Commelina communis L. COMCO Commelinaceae Dayflower, Spreading Commelina diffusa Burm. f. COMDI Commelinaceae Poison-hemlock Conium maculatum L. COIMA Apiaceae Mustard, Hare's ear Conringia orientalis (L.) Andrz. CNHOR Brassicaceae Bindweed, Field Convolvulus arvensis L. CONAR Convolvulaceae Fleabane, Hairy Conyza bonariensis (L.) Cronq. ERIBO Asteraceae Horseweed Conyza canadensis (L.) Cronq. ERICA Asteraceae Fleabane, Dwarf Conyza ramosissima Cronq. ERIDI Asteraceae Plains Coreopsis Coreopsis tinctoria Nutt. CRLTI Asteraceae Dogwood, Flowering Cornus florida L. CRWFL Cornaceae Crownvetch, Trailing Coronilla varia L. CZRVA Fabaceae Swinecress Coronopus didymus (L.) Sm. COPDI Brassicaceae Hawksbeard, Smooth Crepis capillaris (L.) Wallr. CVPCA Asteraceae Hawksbeard, Narrowleaf Crepis tectorum L. CVPTE Asteraceae Crotalaria, Showy Crotalaria spectabilis Roth CVTSP Fabaceae Croton, Woolly Croton capitatus Michx. CVNCP Euphorbiaceae Croton, Tropic Croton glandulosus var. septentrionalis Muell.-Arg. CVNGS Euphorbiaceae Burgherkin Cucumis anguria L. CUMAN Cucurbitaceae Smellmelon Cucumis melo L. CUMME Cucurbitaceae Gourd, Buffalo Cucurbita foetidissima H.B.K. CUUFO Cucurbitaceae Gourd, Texas Cucurbita texana (Scheele) Gray CUUTX Cucurbitaceae Dodder, Clover Cuscuta epithymum (L.) L. CVCEY Cuscutaceae Dodder, Field Cuscuta pentagona Engelm. CVCPE Cuscutaceae Milkweed, Honeyvine Cynanchum laeve (Michx.) Pers. AMPAL Asclepiadaceae Bermudagrass Cynodon dactylon (L.) Pers. CYNDA Poaceae Houndstongue Cynoglossum officinale L. CYWOF Boraginaceae Flatsedge, Tapertip Cyperus acuminatus Torrey & Hooker CYPAC Cyperaceae Sedge, Aggregate* Cyperus aggregatus (Willd.) Endl. CYPFW Cyperaceae Sedge, Foxtail* Cyperus alopecuroides Rottb. CYPAL Cyperaceae Flatsedge, Jointed* Cyperus articulatus L. CYPAR Cyperaceae Sedge, Annual Cyperus compressus L. CYPCP Cyperaceae Sedge, Globe* Cyperus croceus Bahl CYPGL Cyperaceae Sedge, Cuspidate* Cyperus cuspidatus Kunth CYPCU Cyperaceae Sedge, Smallflower Umbrella Cyperus difformis L. CYPDI Cyperaceae Sedge, Round Cyperus echinatus (L.) Wood CYPEC Cyperaceae Sedge, Royal Cyperus elegans L. CYPEL Cyperaceae Page 4

5 Sedge, Deeproot Cyperus entrerianus Boeck. CYPEN Cyperaceae Sedge, Lovegrass Cyperus eragrostis Lam. CYPER Cyperaceae Flatsedge, Redroot Cyperus erythrorhizos Muhl. CYPET Cyperaceae Nutsedge, Yellow Cyperus esculentus L. CYPES Cyperaceae Flatsedge, Whitemargined* Cyperus flavicomus Michx. CYPFV Cyperaceae Sedge, Whitemargined Cyperus flavicomus Michx. CYPFV Cyperaceae Flatsedge, Brown Cyperus fuscus L. CYPFU Cyperaceae Sedge, Queensland Cyperus hyalinus Vahl CYPHL Cyperaceae Flatsedge, Rice Cyperus iria L. CYPIR Cyperaceae Sedge, Lance* Cyperus lanceolatus Poir. CYPLC Cyperaceae Sedge, Leconte Cyperus lecontei Torr. CYPLE Cyperaceae Flatsedge Cyperus odoratus L. CYPFE Cyperaceae Sedge, Pointed Scale Cyperus oxylepis Ness ex Steud. CYPOX Cyperaceae Sedge, Pilose* Cyperus pilosus L. CYPPI Cyperaceae Sedge, Texas* Cyperus polstachyos Rottb. var. texensis (Torr.) Fern. CYPPO Cyperaceae Papyrus, Dwarf* Cyperus prolifer Lam. CYPPR Cyperaceae Sedge, Knob Cyperus pseudovegetus Steud. CYPPV Cyperaceae Sedge, Buckley's Cyperus retroflexus Buckley CYPRE Cyperaceae Sedge, Cylindric Cyperus retrorsus Chapman CYPRT Cyperaceae Nutsedge, Purple Cyperus rotundus L. CYPRO Cyperaceae Sedge, Bloodscale* Cyperus sanguinolentus Vahl CYPSA Cyperaceae Sedge, Brown Speckled Cyperus sphacelatus Rottb. CYPSP Cyperaceae Sedge, Aromatic* Cyperus squarrosus L. CYPSQ Cyperaceae Nutsedge, False Cyperus strigosus L. CYPST Cyperaceae Sedge, Surinam Cyperus surinamensis Rottb. CYPSU Cyperaceae Sedge, Green Cyperus virens Michx. CYPVI Cyperaceae Broom, Scotch Cytisus scoparius (L.) Link SAOSC Fabaceae Orchardgrass Dactylis glomerata L. DACGL Poaceae Crowfootgrass Dactyloctenium aegyptium (L.) Willd. DTTAE Poaceae Datura, Sacred Datura inoxia Mill. DATIN Solanaceae Thornapple, Oakleaf Datura quercifolia H.B.K. DATQE Solanaceae Jimsonweed Datura stramonium L. DATST Solanaceae Carrot, Wild Daucus carota L. DAUCA Apiaceae Larkspur, Carolina Delphinium carolinianum Walt. DELCA Ranunculaceae Pinnate Tansymustard Descurainia pinnata (Walt.) Britt DESPI Brassicaceae Flixweed Descurainia sophia (L.) Webb. ex Prantl DESSO Brassicaceae Illinois Bundleflower Desmanthus illinoensis (Michx.) Macmill. ex B. L. Robins. DEMIL Mimosaceae Florida Beggarweed Desmodium tortuosum (Sw) DC. DEDTO Fabaceae Deptford Pink Dianthus armeria L. DIAAR Caryophyllaceae Dichondra, Carolina Dichondra carolinensis Michx. DIORE Convolvulaceae Foxglove Digitalis purpurea L. DIKPU Scrophulariaceae Crabgrass, Tropical Digitaria bicornis (Lam.) R. & S. DIGBC Poaceae Crabgrass, Southern Digitaria ciliaris (Retz.) Koel. DIGSP Poaceae Crabgrass, Smooth Digitaria ischaemum (Schreb. ex Schweig.) Schreb. ex Muhl. DIGIS Poaceae Crabgrass, Large Digitaria sanguinalis (L.) Scop. DIGSA Poaceae Poorjoe Diodia teres Walt. DIQTE Rubiaceae Buttonweed, Virginia Diodia virginiana L. DIQVI Rubiaceae Teasel, Common Dipsacus fullonum L. DIWSI Dipsacaceae Teasel, Cutleaf Dipsacus laciniatus L. DIWLA Dipsacaceae Saltgrass Distichlis spicata (L.) Greene DISSP Poaceae Page 5

6 Coneflower, Clasping Dracopis amplexicaulis (Vahl) Cass. DRCAM Asteraceae Indian Mock-Strawberry Duchesnea indica (Andr.) Focke DUCIN Rosaceae Coneflower, Purple Echinacea purpurea (L.) Moench. RUDPU Asteraceae Junglerice Echinochloa colonum (L.) Link ECHCO Poaceae Barnyardgrass Echinochloa crus-galli (L.) Beauv. ECHCG Poaceae Japanese millet Echinochloa crus-galli var. frumentacea (Roxb.) W. F. Wight ECHCG Poaceae Cucumber, Wild Echinocystis lobata (Michx.) Torr. & Gray ECNLO Cucurbitaceae Burhead, Creeping Echinodorus cordifolius (L.) Griseb. ECOCO Alismataceae Eclipta Eclipta prostrata L. ECLAL Asteraceae Elodea, Brazilian Egeria densa Planch. ELDDE Hydrocharitaceae Waterhyacinth, Anchored Eichhornia crassipes (Mart.) Solms-Laub EICCR Pontederiaceae Russian-olive Elaeagnus angustifolia L. ELGAN Elaeagnaceae Autumn-olive Elaeagnus umbellata Thunb. ELGUM Elaeagnaceae Spikerush, Englemann's Eleocharis engelmannii ELOEN Cyperaceae Spikerush, Blunt Eleocharis obtusa (Willd.) Schultes ELOOB Cyperaceae Goosegrass Eleusine indica (L.) Gaertn. ELEIN Poaceae Waterpod Ellisia nyctelea L. ELSNY Hydrophyllaceae Squirreltail Elymus elymoides (Rafin.) Swezey SITHY Poaceae Quackgrass Elymus repens (L.) Gould AGRRE Poaceae Horsetail, Field Equisetum arvense L. EQUAR Equisetaceae Horsetail, Water Equisetum fluviatile L. EQUFL Equisetaceae Scouringrush Equisetum hyemale L. EQUHY Equisetaceae Horsetail, Marsh Equisetum palustre L. EQUPA Equisetaceae Horsetail, Giant Equisetum telmateia Ehrh. EQUTE Equisetaceae Stinkgrass Eragrostis cilianensis (All.) E. Mosher ERACN Poaceae Lovegrass, Weeping Eragrostis curvula (Schrader) Nees ERACU Poaceae India lovegrass Eragrostis pilosa (L.) Beauv. ERAPI Poaceae Lovegrass, Purple Eragrostis spectabilis (Pursh) Steud. ERASP Poaceae Rabbitbrush, Gray Ericameria nauseosa (Pallas ex Pursh) Nesom & Baird CYTNA Asteraceae Fleabane, Annual Erigeron annuus (L.) Pers. ERIAN Asteraceae Fleabane, Philadelphia Erigeron philadelphicus L. ERIPH Asteraceae Fleabane, Oregon Erigeron speciosus (Lindl.) DC. ERISP Asteraceae Fleabane, Rough Erigeron strigosus Muhl. Ex Willd. ERIST Asteraceae Cupgrass, Southwestern Eriochloa acuminata (J. Presl) Kunth ERBGR Poaceae Cupgrass, Prairie Eriochloa contracta Hitchc. ERBCO Poaceae Cupgrass, Woolly Eriochloa villosa (Thunb.) Kunth ERBVI Poaceae Filaree, Redstem Erodium cicutarium (L.) L'Her. ex Ait. EROCI Geraniaceae Bushy Wallflower Erysimum repandum L. ERYRE Brassicaceae Thoroughwort, Tall Eupatorium altissimum L. EUPAT Asteraceae Dogfennel Eupatorium capillifolium (Lam.) Small EUPCP Asteraceae Joepyeweed, Spotted Eupatorium maculatum L. EUPML Asteraceae Boneset Eupatorium perfoliatum L. EUPPE Asteraceae Joepyeweed, Sweet Eupatorium purpureum L. EUPPU Asteraceae Boneset, Late Eupatorium serotinum Michx. EUPSE Asteraceae Spurge, Flowering Euphorbia corollata L. EPHCO Euphorbiaceae Poinsettia, Painted Euphorbia cyathophora Murr. EPHCT Euphorbiaceae Spurge, Toothed Euphorbia dentata Michx. EPHDE Euphorbiaceae Spurge, Leafy Euphorbia esula L. EPHES Euphorbiaceae Poinsettia, Wild Euphorbia heterophylla L. EPHHL Euphorbiaceae Snow-on-the-Mountain Euphorbia marginata Pursh EPHMG Euphorbiaceae Page 6

7 Buckwheat, Tartary Fagopyrum tataricum (L.) Gaertn. FAGTA Polygonaceae Watersnake, Hemp Fatoua villosa (Thunb.) Nakai FTOVI Moraceae Fringerush, Annual Fimbristylis annua (All.) R. & S. FIMAN Cyperaceae Fringerush, Globe Fimbristylis miliacea (L.) Vahl FIMMI Cyperaceae Clusterflower Flaveria trinervia (Spreng.) C. Mohr FLATN Asteraceae Umbrellagrass, shortbristled Fuirena breviseta (Coville) Coville FUIBR Cyperaceae Goatsrue Galega officinalis L. GAGOF Fabaceae Hairy Galinsoga Galinsoga ciliata (Raf.) Blake GASCI Asteraceae Galinsoga, smallflower Galinsoga parviflora Cav. GASPA Asteraceae Bedstraw, Catchweed Galium aparine L. GALAP Rubiaceae Bedstraw, Smooth Galium mollugo L. GALMO Rubiaceae Bedstraw, False Galium spurium L. GALSP Rubiaceae Geranium, Carolina Geranium carolinianum L. GERCA Geraniaceae Geranium, Cutleaf Geranium dissectum L. GERDI Geraniaceae Hornedpoppy, Red Glaucium corniculatum (L.) J.H. Rudolph GUCCO Papaveraceae Ivy, Ground Glechoma hederacea L. GLEHE Lamiaceae Locust, Honey Gleditsia triacanthos L. GLETR Fabaceae Soybean Glycine max (L.) Merr. GLXMA Fabaceae Licorice, Wild Glycyrrhiza lepidota (Nutt.) Pursh GYCLE Fabaceae Cotton Gossypium hirsutum L. GOSHI Malvaceae Goldenweed Grindelia papposa G. L. Nesom & Y. B. Suh HAPCI Asteraceae Curlycup Gumweed Grindelia squarrosa (Pursh) Dunal GRNSQ Asteraceae Snakeweed, Broom Gutierrezia sarothrae (Pursh) Britt. & Rusby GUESA Asteraceae Babysbreath Gypsophila paniculata L. GYPPA Caryophyllaceae Sneezeweed, Bitter Helenium amarum (Raf.) H. Rock HENAM Asteraceae Sneezeweed, Common Helenium autumnale L. HENAU Asteraceae Sunflower, Common Helianthus annuus L. HELAN Asteraceae Texas Blueweed Helianthus ciliaris DC. HELCI Asteraceae Sunflower, Woodland Helianthus divaricatus L. HELDI Asteraceae Sunflower, Sawtooth Helianthus grosseserratus Martens HELGR Asteraceae Sunflower, Maximilian Helianthus maximilianii Schrad. HELMA Asteraceae Sunflower, Nuttall's Helianthus nuttallii Torr. & Gray HELNU Asteraceae Sunflower, Stiff Helianthus pauciflorus Nutt. HELRI Asteraceae Sunflower, Prairie Helianthus petiolaris Nutt. HELPE Asteraceae Jerusalem Artichoke Helianthus tuberosus L. HELTU Asteraceae Oxeye Heliopsis helianthoides (L.) Sweet HEFHE Asteraceae Rocket, Dame's Hesperis matronalis L. HEVMA Brassicaceae Porcupinegrass Hesperostipa spartea (Trin.) Barkworth STDSP Poaceae Ducksalad Heteranthera limosa (Sw.) Willd. HETLI Pontederiaceae Roundleaf Mudplantain Heteranthera reniformis R. & P. HETRE Pontederiaceae Mallow, Venice Hibiscus trionum L. HIBTR Malvaceae Hawkweed, Orange Hieracium aurantiacum L. HIEAU Asteraceae Hawkweed, Meadow Hieracium caespitosum Dumort. HIECA Asteraceae Hawkweed, Mouseear Hieracium pilosella L. HIEPI Asteraceae Hogpotato Hoffmanseggia glauca (Ortega) Eifert HOFDE Caesalpiniaceae Velvetgrass Holcus lanatus L. HOLLA Poaceae Velvetgrass, German Holcus mollis L. HOLMO Poaceae Barley, Foxtail Hordeum jubatum L. HORJU Poaceae Barley, Little Hordeum pusillum Nutt. HORPU Poaceae Barley Hordeum vulgare L. HORVX Poaceae Henbane, Black Hyoscyamus niger L. HSYNI Solanaceae Page 7

8 St. Johnswort, Common Hypericum perforatum L. HYPPE Clusiaceae Catsear, Common Hypochaeris radicata L. HRYRA Asteraceae Cogongrass Imperata cylindrica (L.) Beauv. IMPCY Poaceae Morningglory, Swamp Ipomoea aquatica Forsk. IPOAQ Convolvulaceae Morningglory, Red Ipomoea coccinea L. IPOCC Convolvulaceae Sharppod Ipomoea cordatotriloba Dennst. IPOTT Convolvulaceae Morningglory, Cotton Ipomoea cordatotriloba var. torreyana (Gray) D. Austin IPOTT Convolvulaceae Morningglory, Ivyleaf Ipomoea hederacea (L.) Jacq. IPOHE Convolvulaceae Morningglory, Entireleaf Ipomoea hederacea var. integriuscula Gray IPOHE Convolvulaceae Morningglory, Pitted Ipomoea lacunosa L. IPOLA Convolvulaceae Morningglory, Bigroot Ipomoea pandurata (L.) G.F.W. Meyer IPOPA Convolvulaceae Morningglory, Tall Ipomoea purpurea (L.) Roth PHBPU Convolvulaceae Morningglory, Cypressvine Ipomoea quamoclit L. IPOQU Convolvulaceae Moonflower, Purple Ipomoea turbinata Lag. CLYMU Convolvulaceae Morningglory, Palmleaf Ipomoea wrightii Gray IPOWR Convolvulaceae Woad, Dyer's Isatis tinctoria L. ISATI Brassicaceae Bulrush, Keeled Isolepis carinata Hook. & AM. Ex Torr. SCPKL Cyperaceae Bulrush, Low Isolepis cernua (Vahl.) Roem. & Schult. SCPCE Cyperaceae Marshelder, Annual Iva annua L. IVAAN Asteraceae Marshelder, Common Iva xanthifolia Nutt. IVAXA Asteraceae Morningglory, Smallflower Jacquemontia tamnifolia (L.) Griseb. IAQTA Convolvulaceae Rush, Slender Juncus tenuis Willd. IUNTE Juncaceae Kochia Kochia scoparia (L.) Schrad. KCHSC Chenopodiaceae Kyllinga, Green Kyllinga brevifolia Rottb. KYLBR Cyperaceae Kyllinga, False Green* Kyllinga gracillima Miq. CYPBP Cyperaceae Kyllinga, Fragrant* Kyllinga odorata Vahl CYPSF Cyperaceae Kyllinga, Tufted* Kyllinga pumila Michx. KYLPU Cyperaceae Kyllinga, Cocks-comb* Kyllinga squamulata Thonn. ex Vahl KYLSQ Cyperaceae Florida Wild Lettuce Lactuca floridana (L.) Gaertn. LACFL Asteraceae Prickly Lettuce Lactuca serriola L. LACSE Asteraceae Henbit Lamium amplexicaule L. LAMAM Lamiaceae Deadnettle, Purple Lamium purpureum L. LAMPU Lamiaceae Lantana, Largeleaf Lantana camara L. LANCA Verbenaceaea Everlasting Peavine Lathyrus latifolius L. LTHLA Fabaceae Cutgrass, Rice Leersia oryzoides (L.) Sw. LEROR Poaceae Duckweed, Common Lemna minor L. LEMMI Lemnaceae Motherwort Leonurus cardiaca L. LECCA Lamiaceae Pepperweed, Hairy Lepidium austrinum Small LEPAU Brassicaceae Pepperweed, Green Lepidium densiflorum L. LEPDE Brassicaceae Pepperweed, Narrowleaf Lepidium ruderale L. LEPRU Brassicaceae Pepperweed, Virginia Lepidium virginicum L. LEPVI Brassicaceae Green Sprangletop Leptochloa dubia (H.B.K.) Nees LEFDU Poaceae Sprangletop, Bearded Leptochloa fusca (L.) Kunth var. fascicularis (Lam.) N. Snow LEFFA Poaceae Sprangletop, Red Leptochloa panicea (Retz) Ohwi LEFFI Poaceae Sprangletop, Amazon Leptochloa panicoides (Presl) Hitchc. LEFPA Poaceae Lespedeza, Sericea Lespedeza cuneata (Dumont) G. Don LESCU Fabaceae Oxeye Daisy Leucanthemum vulgare Lam. CHYLE Asteraceae Privet, Chinese Ligustrum sinense Lour. LIGSI Oleaceae Toadflax, Dalmation Linaria dalmatica (L.) Mill. LINDA Scrophulariaceae Toadflax, Yellow Linaria vulgaris P. Mill. LINVU Scrophulariaceae Page 8

9 Falsepimpernel, Low Lindernia dubia (L.) Penn. LIDDU Scrophulariaceae Tall Fescue Lolium arundinaceum (Schreb.) S.J. Darbyshire FESAR Poaceae Ryegrass, Italian Lolium multiflorum Lam. LOLMU Poaceae Ryegrass, Perennial Lolium perenne L. LOLPE Poaceae Darnel, Persian Lolium persicum Boiss. & Hohen. Ex Boiss. LOLPS Poaceae Ryegrass, Rigid Lolium rigidum Gaudin LOLRI Poaceae Ryegrass, Poison Lolium temulentum L. LOLTE Poaceae Honeysuckle, Japanese Lonicera japonica Thunb. LONJA Caprifoliaceae Honeysuckle, Amur Lonicera maackii (Rupr.) Herder LONMA Caprifoliaceae Honeysuckle, Tatarian Lonicera tatarica L. LONTA Caprifoliaceae Birdsfoot Trefoil Lotus corniculatus L. LOTCO Fabaceae Waterprimrose, Winged Ludwigia decurrens Walter IUSDE Onagraceae Waterprimrose, Creeping Ludwigia peploides (Kuntze) Shinners LUDPE Onagraceae Perennial Lupine Lupinus perennis L. LUPPE Fabaceae Loosestrife, Purple Lythrum salicaria L. LYTSA Lythraceae Osage-orange Maclura pomifera (Raf.) Schneid. MACPO Moraceae Mallow, Musk Malva moschata L. MALMO Malvaceae Mallow, Common Malva neglecta Wallr. MALNE Malvaceae Mallow, Little Malva parviflora L. MALPA Malvaceae Horehound, White Marrubium vulgare L. MAQVU Lamiaceae Pineappleweed Matricaria discoidea DC. MATMT Asteraceae Chamomile, False Matricaria maritima L. MATMA Asteraceae Black Medic Medicago lupulina L. MEDLU Fabaceae Alfalfa Medicago sativa L. MEDSA Fabaceae Sweetclover, White Melilotus alba L. MEUAL Fabaceae Sweetclover, Yellow Melilotus officinalis (L.) Lam. MEUOF Fabaceae Redweed Melochia corchorifolia L. MEOCO Sterculiaceae Mint, Field Mentha arvensis L. MENAR Lamiaceae Smoothstem Blazing Star Mentzelia laevicaulis (Dougl.) T. & G. MNZLA Loasaceae Mary's-grass Microstegium vimineum (Trin.) A. Camus var. imberbe (Nees) Honda MCGVM Poaceae Wild Four-o'clock Mirabilis nyctaginea (Michx.) MacM. MIBNY Nyctaginaceae Mallow, Bristly Modiola caroliniana (L.) G. Don MODCA Malvaceae Carpetweed Mollugo verticillata L. MOLVE Molluginaceae Bergamot, Wild Monarda fistulosa L. MOAFI Lamiaceae Beebalm, Pony Monarda pectinata Nutt. MOAPE Lamiaceae Beebalm, Spotted Monarda punctata L. POAPU Lamiaceae Wirestem Muhly Muhlenbergia frondosa (Poir.) Fern. MUHFR Poaceae Nimblewill Muhlenbergia schreberi J. F. Geml. MUHSC Poaceae Doveweed Murdannia nudiflora (L.) Brenan MUDNU Commelinaceae Field Forget-Me-Not Myosotis arvensis (L.) Hill. MYOAR Boraginaceae Mousetail Myosurus minimus L. MYSMI Ranunculaceae Catnip Nepeta cataria L. NEPCA Lamiaceae Apple-of-Peru Nicandra physalodes (L.) Gaertn. NICPH Solanaceae Spatterdock Nuphar lutea ssp. advena (Ait.) Kartesz & Gandhi NUPLU/A Nymphaeaceae Toadflax, Old Field Nuttallanthus canadensis (L.) D. A. Sutton LINCA Scrophulariaceae Eveningprimrose, Common Oenothera biennis L. OEOBI Onagraceae Eveningprimrose, Cutleaf Oenothera laciniata Hill OEOLA Onagraceae Eveningprimose, Showy Oenothera speciosa Nutt. OEOSP Onagraceae Thistle, Scotch Onopordum acanthium L. ONRAC Asteraceae Pricklypear, Brittle Opuntia fragilis (Nutt.) Haw. OPUFR Cactaceae Page 9

10 Pricklypear, Spreading Opuntia humifusa Raf. OPUHU Cactaceae Star-of-Bethlehem Ornithogalum umbellatum L. OTGUM Liliaceae Red Rice Oryza sativa L. ORYSA Poaceae Woodsorrel, Yellow Oxalis stricta L. OXAST Oxalidaceae Club-rush, Cuban Oxycaryum cubense (Poepp. & Kunth) Lye SCPCU Cyperaceae Crazyweed, Lambert Oxytropis lambertii Pursh OXRLA Fabaceae Crazyweed, Silky Oxytropis sericea Nutt. OXRSE Fabaceae Witchgrass Panicum capillare L. PANCA Poaceae Panicum, Fall Panicum dichotomiflorum Michx. PANDI Poaceae Guineagrass Panicum maximum Jacq. PANMA Poaceae Millet, Wild-proso Panicum miliaceum L. PANMI Poaceae Torpedograss Panicum repens L. PANRE Poaceae Switchgrass Panicum virgatum L. PANVI Poaceae Poppy, Corn Papaver rhoeas L. PAPRH Papaveraceae Ragweed Parthenium Parthenium hysterophorus L. PTNHY Asteraceae Virginiacreeper Parthenocissus quinquefolia (L.) Planch. PRTQU Vitaceae Dallisgrass Paspalum dilatatum Poir. PASDI Poaceae Knotgrass Paspalum distichum L. PASDS Poaceae Longtom Paspalum lividum Trin. PASLI Poaceae Bahiagrass Paspalum notatum Fluegge PASNO Poaceae Vaseygrass Paspalum urvillei Steud. PASUR Poaceae Passionflower, Maypop Passiflora incarnata L. PAQIN Passifloraceae Passionflower, Yellow Passiflora lutea L. PAQLU Passifloraceae Parsnip, Wild Pastinaca sativa L. PAVSA Apiaceae Millet, Pearl Pennisetum glaucum (L.) R. Br. PESGL Poaceae Mint, Perilla Perilla frutescens (L.) Britt. PRJFR Lamiaceae Reed Canarygrass Phalaris arundinacea L. TYPAR Poaceae Timothy Phleum pratense L. PHLPR Poaceae Reed, Common Phragmites australis (Cav.) Trin. Ex Steud. PHRCO Poaceae Chamber bitter Phyllanthus urinaria L. PYLUR Euphorbiaceae Groundcherry, Cutleaf Physalis angulata L. PHYAN Solanaceae Groundcherry, Clammy Physalis heterophylla Nees PHYHE Solanaceae Groundcherry, Smooth Physalis longifolia (Nutt.) var. subglabrata (Mackenz. & Bush) Cronq. PHYSU Solanaceae Groundcherry, Tomatillo Physalis philadelphica Lam. PHYIX Solanaceae Pokeweed, Common Phytolacca americana L. PHTAM Phytolaccaceae Bristly Oxtongue Picris echioides L. PICEC Asteraceae Plantain, Bracted Plantago aristata Michx. PLAAR Plantaginaceae Plantain, Buckhorn Plantago lanceolata L. PLALA Plantaginaceae Plantain, Broadleaf Plantago major L. PLAMA Plantaginaceae Plantain, Woolly Plantago patagonica Jacq. PLAPR Plantaginaceae Plantain, Blackseed Plantago rugelii Dcne. PLARU Plantaginaceae Bluegrass, Annual Poa annua L. POAAN Poaceae Bluegrass, Bulbous Poa bulbosa L. POABU Poaceae Bluegrass, Canada Poa compressa L. POACO Poaceae Bluegrass, Kentucky Poa pratensis L. POAPR Poaceae Bluegrass, Roughstalk Poa trivialis L. POATR Poaceae Clammyweed, Western Polanisia dedecandra ssp. trachysperma PONTR Capparidaceae Smartweed, Swamp Polygonum amphibium var. emersum Michx. POLCC Polygonaceae Knotweed, Prostrate Polygonum aviculare L. POLAV Polygonaceae Buckwheat, Wild Polygonum convolvulus L. POLCO Polygonaceae Page 10

11 Smartweed, Pale Polygonum lapathifolium L. POLLA Polygonaceae Smartweed, Pennsylvania Polygonum pensylvanicum L. POLPY Polygonaceae Tearthumb, Devil's (Mile-A-Minute)* Polygonum perfoliatum L. POLPR Polygonaceae Ladysthumb Polygonum persicaria L. POLPE Polygonaceae Polypogon, Rabbitfoot Polypogon monspeliensis (L.) Desf. POHMO Poaceae Pickerelweed Pontederia cordata L. POFCO Pontederiaceae Purslane, Common Portulaca oleracea L. POROL Portulaceaceae Cinquefoil, Silvery Potentilla argentea L. PTLAG Rosaceae Cinquefoil, Sulfur Potentilla recta L. PTLRC Rosaceae Devil's Claw (Unicorn-Plant) Proboscidea louisianica (Mill.) Thellung PROLO Pedaliaceae Healall Prunella vulgaris L. PRUVU Lamiaceae Chokecherry, common Prunus virginiana L. PRNVG Rosaceae Brackenfern Pteridium aquilinum (L.) Kuhn PTEAQ Polypodiaceae Kudzu Pueraria montana var. lobata (Willd.) Maesen & S. Almeida PUELO Fabaceae Carolina Falsedandelion Pyrrhopappus carolinianus (Walt.) DC. PYHCA Asteraceae Buttercup, Corn Ranunculus arvensis L. RANAR Ranunculaceae Buttercup, Bulbous Ranunculus bulbosus L. RANBU Ranunculaceae Buttercup, Creeping Ranunculus repens L. RANRE Ranunculaceae Buttercup, Hairy Ranunculus sardous Crantz RANSA Ranunculaceae Radish, Wild Raphanus raphanistrum L. RAPRA Brassicaceae Radish Raphanus sativus L. RAPSN Brassicaceae Buckthorn, European Rhamnus cathartica L. RHACT Rhamnaceae Sumac, Smooth Rhus glabra L. RHUGL Anacardiaceae Sumac, Staghorn Rhus hirta (L.) Sudworth RHUTY Anacardiaceae Beakrush, Horned Rhynchospora corniculata (Lam.) Gray RHCCN Cyperaceae Beakrush, Pinehill Rhynchospora globularis (Chapm.) Small RHCGL Cyperaceae Florida Pusley Richardia scabra L. RCHSC Rubiaceae Castorbean* Ricinus communis L. RIICO Euphorbiaceae Fieldcress, Austrian Rorippa austriaca (Crantz) Bess. RORAU Brassicaceae Rose, Wild Prairie Rosa arkansana Porter ROSAK Rosaceae Rose, Multiflora Rosa multiflora Thunb. ex Murr. ROSMU Rosaceae Toothcup Rotala ramosior (L.) Koehne ROTRA Lythraceae Itchgrass Rottboellia cochinchinensis (Lour.) W. D. Clayton ROOEX Poaceae Southern Dewberry Rubus trivialis Michx. RUBTV Rosaceae Blackeyed-susan Rudbeckia hirta L. RUDHI Asteraceae Sorrel, Red Rumex acetosella L. RUMAA Polygonaceae Dock, Pale Rumex altissimus Wood RUMAT Polygonaceae Dock, Curly Rumex crispus L. RUMCR Polygonaceae Dock, Broadleaf Rumex obtusifolius L. RUMOB Polygonaceae Arrowhead, Grassy Sagittaria graminea Michx. SAGGR Alismataceae Arrowhead, Common Sagittaria latifolia Willd. SAGLT Alismataceae Arrowhead, California Sagittaria montevidensis Cham. & Schlecht. SAGMO Alismataceae Thistle, Russian Salsola tragus L. SASKR Chenopodiaceae Sage, Lyreleaf Salvia lyrata L. SALLY Lamiaceae Sage, Lanceleaf Salvia reflexa Hornem. SALRE Lamiaceae Sage, Scarlet Salvia splendens Sellow ex Roemer & J. A. Shultes SALSP Lamiaceae Bouncingbet Saponaria officinalis L. SAWOF Caryophyllaceae Lizardstail Saururus cernuus L. SAUCE Saururaceae Bluestem, Little Schizachyrium scoparium (Michx.) Nash ANOSC Poaceae Bulrush, Hardstem Schoenoplectus acutus (Muhl. ex Bigelow) A. & D. Love SCPAC Cyperaceae Page 11

12 Bulrush, Ricefield Schoenoplectus mucronatus (L.) Palla SCPMU Cyperaceae Common Name Scientific Name Bayer Code Family Bulrush, Black Scirpus atrovirens Willd. SCPAT Cyperaceae Bulrush, Woolgrass Scirpus cyperinus (L.) Kunth SCPCY Cyperaceae Licoriceweed Scoparia dulcis L. SCFDU Scrophulariaceae Rye Secale cereale L. SECCE Poaceae Cressleaf Groundsel Senecio glabellus Poir. SENGL Asteraceae Tansy Ragwort Senecio jacobaea L. SENJA Asteraceae Groundsel, Common Senecio vulgaris L. SENVU Asteraceae Sicklepod Senna obtusifolia (L.) H.S. Irwin & Barneby CASOB Caesalpiniaceae Senna, Coffee Senna occidentalis (L.) Link CASOC Caesalpiniaceae Sesbania, Hemp Sesbania herbacea (P. Mill.) McVaugh SEBEX Fabaceae Sesbania, Bagpod Sesbania vesicaria (Jacq.) Ell. SEBVI Fabaceae Foxtail, Giant Setaria faberi Herrm. SETFA Poaceae Foxtail, Yellow Setaria glauca (L.) Beauv. SETLU Poaceae Millet, Foxtail/Italian Setaria italica (L.) Beauv. SETIT Poaceae Foxtail, Knotroot Setaria parviflora (Poir.) Kerguelen. SETGE Poaceae Foxtail, Bristly Setaria verticillata (L.) Beauv. SETVE Poaceae Foxtail, Green Setaria viridis (L.) Beauv. SETVI Poaceae Madder, Field Sherardia arvensis L. SHRAR Rubiaceae Burcucumber Sicyos angulatus L. SIYAN Cucurbitaceae Sida, Arrowleaf Sida rhombifolia L. SIDRH Malvaceae Sida, Prickly Sida spinosa L. SIDSP Malvaceae Catchfly, Garden Silene armeria L. SILAR Caryophyllaceae Campion, Red Silene dioica (L.) Clairv. MELRU Caryophyllaceae Campion, White Silene latifolia Poir. MELAL Caryophyllaceae Catchfly, Nightflowering Silene noctiflora L. MELNO Caryophyllaceae Campion, Bladder Silene vulgaris (Moench) Garcke SILVU Caryophyllaceae Rosinweed, Cup Silphium perfoliatum L. SIPPE Asteraceae Blessed Milkthistle Silybum marianum (L.) Gaertn. SLYMA Asteraceae Mustard, Wild Sinapis arvensis L. SINAR Brassicaceae Mustard, Tumble Sisymbrium altissimum L. SSYAL Brassicaceae Rocket, London Sisymbrium irio L. SSYIR Brassicaceae Mustard, Hedge Sisymbrium officinale (L.) Scop. SSYOF Brassicaceae Nightshade, American Black Solanum americanum Mill. SOLAM Solanaceae Nightshade, Fuzzyfruit Solanum candidum SOLCN Solanaceae Soda Apple, Red Solanum capsicoides All. SOLCP Solanaceae Horsenettle Solanum carolinense L. SOLCA Solanaceae Horsenettle, Robust Solanum dimiditatum Raf. SOLDM Solanaceae Nightshade, Bittersweet Solanum dulcamara L. SOLDU Solanaceae Nightshade, Silverleaf Solanum elaegnifolium Cav. SOLEL Solanaceae Nightshade, Jamaican Solanum jamaicense P. Mill. SOLJA Solanaceae Nightshade, Nipplefruit Solanum mammosum L. SOLMA Solanaceae Nightshade, Black Solanum nigrum L. SOLNI Solanaceae Nightshade, Hairy Solanum physalifolium Rusby SOLSA Solanaceae Jerusalem Cherry Solanum pseudocapsicum L. SOLPC Solanaceae Nightshade, Eastern Black Solanum ptycanthum Dun. SOLPT Solanaceae Buffalobur Solanum rostratum Dun. SOLCU Solanaceae Nightshade, Sticky Solanum sisymbriifolium Lam. SOLSI Solanaceae Nightshade, Wetland Solanum tampicense Dunal. SOLTA Solanaceae Turkeyberry Solanum torvum Swartz SOLTO Solanaceae Page 12

13 Nightshade, Cutleaf Solanum triflorum Nutt. SOLTR Solanaceae Soda Apple, Tropical Solanum viarum Dunal SOLVI Solanaceae Goldenrod, Canada Solidago canadensis L. SOOCA Asteraceae Goldenrod, Tall Solidago canadensis L. var. scabra Torr. & Gray SOOAL Asteraceae Goldenrod, Gray Solidago nemoralis Ait. SOONE Asteraceae Goldenrod, Rigid Solidago rigida L. SOORI Asteraceae Lawn Burweed Soliva pterosperma (Juss.) Less. SOVPT Asteraceae Sowthistle, Perennial Sonchus arvensis L. SONAR Asteraceae Sowthistle, Spiny Sonchus asper (L.) Hill SONAS Asteraceae Sowthistle, Annual Sonchus oleraceus L. SONOL Asteraceae Indiangrass Sorghastrum nutans (L.) Nash. SOSNU Poaceae Sorghum-almum Sorghum almum Parod. SORAL Poaceae Shattercane Sorghum bicolor (L.) Moench SORVU Poaceae Grain sorghum Sorghum bicolor (L.) Moench. SORBI Poaceae Johnsongrass Sorghum halepense (L.) Pers. SORHA Poaceae Spurry, Corn Spergula arvensis L. SPRAR Caryophyllaceae Gooseweed Sphenoclea zeylandica Gaertn. SPDZE Campanulaceae Duckweed, Giant Spirodela polyrhiza (L.) Schleid. SPIPO Lemnaceae Dropseed, Sand Sporobolus cryptandrus (Torr.) Gray SPZCR Poaceae Smutgrass Sporobolus indicus (L.) R. Br. SPZIN Poaceae Chickweed, Common Stellaria media (L.) Vill. STEME Caryophyllaceae Witchweed Striga asiatica (L.) Ktze. STRLU Scrophulariaceae Coralberry Symphoricarpos orbiculatus Moench SYPOR Caprifoliaceae Aster, Slender Symphyotrichum divaricatum (Nutt.) Nesom ASTEX Asteraceae Aster, Heath Symphyotrichum ericoides (L.) Nesom ASTER Asteraceae Aster, White Heath Symphyotrichum pilosum (Willd.) Nesom ASTPI Asteraceae Comfrey, Common Symphytum officinale L. SYMOF Boraginaceae Medusahead Taeniatherum caput-medusae (L.) Nevaki ELYCM Poaceae Marigold, Aztec/African Tagetes erecta L. TAGER Asteraceae Marigold, wild Tagetes minuta L. TAGMI Asteraceae Saltcedar Tamarix ramosissima Ledeb. TAARA Tamaraicaceae Tansy, Common Tanacetum vulgare L. CHYVU Asteraceae Dandelion Taraxacum officinale Weber in Wiggers. TAROF Asteraceae Germander, American Teucrium canadense L. TEUCA Lamiaceae Pennycress, Field Thlaspi arvense L. THLAR Brassicaceae Thyme, Creeping Thymus serpyllum L. THYSE Lamiaceae Poison-oak, Atlantic Toxicodendron pubescens P. Mill. TOXQU Anacardiaceae Poison-ivy, Eastern Toxicodendron radicans (L.) Kuntze TOXRA Anacardiaceae Salsify, Western Tragopogon dubius Scop. TRODM Asteraceae Tallowtree, Chinese Triadica sebifera (L.) Small SAQSE Euphorbiaceae Purslane, Horse Trianthema portulacastrum L. TRTPO Aizoaceae Puncturevine Tribulus terrestris L. TRBTE Zygophyllaceae Purpletop Tridens flavus (L.) A.S. Hitchc. TRSFL Poaceae Clover, Crimson Trifolium incarnatum L. TRFIN Fabaceae Clover, Red Trifolium pratense L. TRFPR Fabaceae Clover, White Trifolium repens L. TRFRE Fabaceae Venuslookingglass, Common Triodanis perfoliata (L.) Nieuw. var. perfoliata TJDPE Campanulaceae Eastern gammagrass Tripsacum dactyloides (L.) L. TRWDA Poaceae Wheat Triticum aestivum L. TRZAX Poaceae Cattail, Narrowleaf Typha angustifolia L. TYHAN Typhaceae Cattail, Common Typha latifolia L. TYHLA Typhaceae Page 13

14 Signalgrass, Browntop Urochloa fasciculata (Sw.) R. Webster PANFA Poaceae Broadleaf Signalgrass Urochloa platyphylla (Nash) R. D. Webster BRAPP Poaceae Millet, Browntop Urochloa ramosa (L.) Nguyen PANRA Poaceae Millet, Texas Urochloa texana (Buckl.) R. Webster PANTE Poaceae Nettle, Stinging Urtica dioica L. ssp. dioica URTDI Urticaceae Nettle, Slender Urtica dioica L. ssp. gracilis (Ait.) Seland. URTLY Urticaceae Nettle, American Urtica dioica L. ssp. Holosericea (Nutt.) Thorne URTIH Urticaceae Cowcockle Vaccaria hispanica (P. Mill.) Rauschert VAAPY Caryophyllaceae Cornsalad, Beaked Valerianella radiata (L.) Dufr. VLLRA Valerianaceae Mullein, Moth Verbascum blattaria L. VESBL Scrophulariaceae Mullein, Common Verbascum thapsus L. VESTH Scrophulariaceae Vervain, Prostrate Verbena bracteata Lag. & Rodr. VEBBR Verbenaceae Vervain, Blue Verbena hastata L. VEBHA Verbenaceae Vervain, Hoary Verbena stricta Vent. VEBST Verbenaceae Crownbeard Verbesina encelioides (Cav.) Benth. & Hook. F. ex Gray VEEEN Asteraceae Ironweed, Western Vernonia baldwinii Torr. VENBA Asteraceae Ironweed, Tall Vernonia gigantea (Walt.) Trel. VENAL Asteraceae Speedwell, Corn Veronica arvensis L. VERAR Scrophulariaceae Speedwell, Ivyleaf Veronica hederifolia L. VERHE Scrophulariaceae Speedwell, Common Veronica officinalis L. VEROF Scrophulariaceae Speedwell, Purslane Veronica peregrina L. VERPG Scrophulariaceae Speedwell, Persian Veronica persica Poir. VERPE Scrophulariaceae Vetch, Narrowleaf Vicia sativa ssp. nigra (L.) Ehrh. VICAN Fabaceae Vetch, Hairy Vicia villosa Roth VICVI Fabaceae Cowpea Vigna unguiculata (L.) Walp VIGUN Fabaceae Violet, Field Viola arvensis Murr. VIOAR Violaceae Pansy, Field Viola bicolor Pursh VIORA Violaceae Violet, Common Blue Viola sororia Willd. VIOPP Violaceae Pansy Viola tricolor L. VIOTR Violaceae Fescue, Sixweeks Vulpia octoflora (Walt.) Rydb. FESOC Poaceae Cocklebur, Spiny Xanthium spinosum L. XANSP Asteraceae Cocklebur, Common Xanthium strumarium L. XANST Asteraceae Yucca, Great Plains Yucca glauca Nutt. UCCGC Agavaceae Corn Zea mays L. ZEAMX Poaceae Page 14