State Common Name Botanical Name AL Balloon Vine Cardiospermum halicacabum Bindweed, field Convolvulus arvensis Bindweed, hedge Convolvulus sepium Cocklebur Xanthium spp. Crotalaria Crotalaria spp. Goatgrass Aegilops spp. Nutgrass Cyperus rotundus Tussock, serrated Nassella trichotoma AK Bindweed, field Convolvulus arvensis Fieldcress, Austrian Rorippa austriaca Galensoga Galensoga parviflora Hempnettle Galeopsis tetrahit Horsenettle Solanum carolinense Knapweed, Russian Centaurea repens (syn.) Lettuce, blue flowering Lactuca pulchella (syn.) Quackgrass Agropyron repens Sowthistle, perennial Sonchus arvensis Spurge, leafy Euphorbia esula Thistle, Canada Cirsium arvense Whitetops & varieties Cardaria draba Cardaria pubescens Lepidium latifolium AR Balloonvine Cardiospermum halicacabum Bindweed, field Convolvulus arvensis Crotalaria Crotalaria spp. Itchgrass Rottboellia exaltata Nutgrass Cyperus rotundus Tropical soda apple Solanum viarum Tussock, serrated Nassella trichotoma AZ Alfombrilla Drymaria arenarioides Bindweed, field Convolvulus arvensis Blueweed Helianthus ciliaris Camelthorn Alhagi pseudalhagl Goatgrass, jointed Aegilops cylindrica Hoarycress Cardaria draba var.repens Cardaria pubescens Horsenettle Solanum carolinense Solanum elaeagnifolium Knapweed, Russian Centaurea repens Morningglory Ipomea spp. except I. carnea & I. aborenscens Nutgrass Cyperus esculentus Cyperus rotundus Quackgrass Elytrigia repens Sorghum, perennial Sorghum spp. Sowthistle, perennial Sonchus arvensis Spurge, leafy Euphorbia esula Starthistle, yellow Centaurea solstitialis Thistle, Canada Cirsium arvense CA Russian knapweed Acroptilon repens Camelthorn Alhagi pseudalhagi Lens-podded hoary cress Cardaria chalepensis Heart-podded hoary cress Cardaria draba Globe-podded hoary cress Cardaria pubescens Plumeless thistle Carduus acanthoides Musk thistle Carduus nutans Whitestem distaff thistle Carthamus leucocaulos Canada thistle Cirsium arvense Wavyleaf thistle Cucumis melo var. dudaim Duaim melon Cucumis melo var. dudaim Leafy spurge Euphorbia esula Blueweed Helianthus ciliaris Perennial Pepperweed Lepidium latifolium Onopordum thistles Onopordum spp. Austrian fieldcress Rorippa austriaca Carolina Horsenettle Solanum carolinense White Horsenettle Solanum elaeagnifolium perennial sowthistle Sonchus arvensis

State Common Name Botanical Name CO Anoda, spurred Anoda cristata Bindweed, field Convolvulus arvensis Bouncing Bet Saponaria officinalis Camelthorn Alhagi pseudalhagi Chamomile, scentless Anthemis arvensis Cinquefoil, sulfur Potentilla recta Clematis, Chinese Clematis orientalis Daisy, oxeye Chrysanthemum leucanthemum Goatgrass, jointed Aegilops cylindrica Halogeton Halogeton glomeratus Horsenettle, Carolina Solanum carolinense Horsenettle, white Solanum elaeagnifolium Houndstongue Cynoglossum officinale Johnsongrass Sorghum halepense Knapweed, black Centaurea nigra Knapweed, diffuse Centaurea diffusa Knapweed, Russian Acroptilon repens Centaurea repens (syn.) Knapweed, spotted Centaurea maculosa Knapweed, squarrose Centaurea virgata Loosestrife, purple Lythrum salicaria Lythrum virgatum Mallow, Venice Hibiscus trionum Medusahead Taeniatherum caput-medusae Millet, wild proso Panicum miliaceum subsp. ruderale Nutsedge, yellow Cyperus esculentus Povertyweed, silverleaf Ambrosia tomentosa Franseria discolor (syn.) Povertyweed, woollyleaf Ambrosia grayi Franseria tomentosa (syn.) Rocket, Dame's Hesperis matronalis Rue, African Peganum harmala Sage, Mediterranean Salvia aethiopia Saltcedar Tamarix parviflora Tamarix ramosissima Skeletonweed, rush Chrondrilla juncea Sorghum almum Sorghum almum Sowthistle, perennial Sonchus arvensis Spurge, cypress Euphorbia cyparissias Spurge, leafy Euphorbia esula Spurge, myrtle Euphorbia myrsinites St. Johns Wort Hypericum perforatum Starthistle, yellow Centaurea solstitialis Tarweed, coast Madia sativa Thistle, Canada Cirsium arvense Thistle, musk Carduus nutans Thistle, plumeless Carduus acanthoides Thistle, Scotch Onopordum acanthium Onopordum tauricum Toadflax, dalmatian Linaria dalmatica Toadflax, yellow Linaria vulgaris Whitetop Cardaria draba Whitetop, hairy Cardaria pubescens Whitetop, tall Lepidium latifolium Woad, dyers Isatis tinctoria CT Bedstraw Galium spp. Bindweed Convolvulus arvensis Dodder Cuscuta spp. Horsenettle Soanum carolinense Knapweed, Russian Centaurea repens (syn.) Nutsedge, yellow Cyperus esculentus Quackgrass Agropyron repens Sowthistle, perennial Sonchus arvensis Thistle, Canada Cirsium arvense DC Bermudagrass Cynodon dactylon Bermudagrass, giant Cynodon dactylon var. aridus Bindweed, field Convolvulus arvensis Bluegrass, annual Poa annua Garlic, wild or wild onion Allium vineale Allium canadense Quackgrass Agropyron repens Thistle, Canada Cirsium arvense