Colorado Noxious Weeds

Plant Industry Division. 2003. Rules pertaining to the administration and enforcement of the Colorado Noxious Weed Act. Colorado Department of Agriculture.

Subject Name	Scientific Name	Family	Order
giant salvinia	Salvinia molesta D. S. Mitchell	Salviniaceae	Hydropteridales
Canada thistle	Cirsium arvense (L.) Scop.	Asteraceae	Asterales
musk thistle	Carduus nutans L.	Asteraceae	Asterales
spotted knapweed	Centaurea stoebe ssp. micranthos (Gugler) Hayek	Asteraceae	Asterales
yellow nutsedge	Cyperus esculentus L.	Cyperaceae	Cyperales
common teasel	Dipsacus fullonum L.	Dipsacaceae	Dipsacales
Russian-olive	Elaeagnus angustifolia L.	Elaeagnaceae	Rhamnales
hydrilla	Hydrilla verticillata (L. f.) Royle	Hydrocharitaceae	Hydrocharitales
sericea lespedeza	Lespedeza cuneata (Dum.-Cours.) G. Don	Fabaceae (Leguminosae)	Fabales
purple loosestrife	Lythrum salicaria L.	Lythraceae	Myrtales
Eurasian watermilfoil	Myriophyllum spicatum Linnaeus	Haloragaceae	Haloragales
johnsongrass	Sorghum halepense (L.) Pers.	Poaceae	Cyperales
tamarisk	Tamarix spp. L.	Tamaricaceae	Violales
common mullein	Verbascum thapsus L.	Scrophulariaceae	Scrophulariales
cypress spurge	Euphorbia cyparissias L.	Euphorbiaceae	Euphorbiales
bull thistle	Cirsium vulgare (Savi) Ten.	Asteraceae	Asterales
spiny plumeless thistle	Carduus acanthoides L.	Asteraceae	Asterales
leafy spurge	Euphorbia esula L.	Euphorbiaceae	Euphorbiales
yellow toadflax	Linaria vulgaris P. Mill.	Scrophulariaceae	Scrophulariales
puncturevine	Tribulus terrestris L.	Zygophyllaceae	Sapindales
field bindweed	Convolvulus arvensis L.	Convolvulaceae	Solanales
meadow knapweed	Centaurea moncktonii C. E. Britton[C. jacea X C. nigra]	Asteraceae	Asterales
Mediterranean sage	Salvia aethiopis L.	Lamiaceae	Lamiales
poison-hemlock	Conium maculatum L.	Apiaceae	Apiales
squarrose knapweed	Centaurea virgata Lam.	Asteraceae	Asterales
Russian knapweed	Rhaponticum repens (L.) Hidalgo	Asteraceae	Asterales
yellow starthistle	Centaurea solstitialis L.	Asteraceae	Asterales
rush skeletonweed	Chondrilla juncea L.	Asteraceae	Asterales
common St. Johnswort	Hypericum perforatum L.	Clusiaceae	Theales
common crupina	Crupina vulgaris Cass.	Asteraceae	Asterales
tansy ragwort	Senecio jacobaea L.	Asteraceae	Asterales
orange hawkweed	Hieracium aurantiacum L.	Asteraceae	Asterales
sulfur cinquefoil	Potentilla recta L.	Rosaceae	Rosales
Scotch thistle	Onopordum acanthium L.	Asteraceae	Asterales
diffuse knapweed	Centaurea diffusa Lam.	Asteraceae	Asterales
broomleaf toadflax	Linaria genistifolia (L.) P. Mill.	Scrophulariaceae	Scrophulariales
Dyer's woad	Isatis tinctoria L.	Brassicaceae	Capparales
velvetleaf	Abutilon theophrasti Medik	Malvaceae	Malvales
jointed goatgrass	Aegilops cylindrica Host	Poaceae	Cyperales
camelthorn	Alhagi maurorum Medik	Fabaceae (Leguminosae)	Fabales
corn chamomile	Anthemis arvensis L.	Asteraceae	Asterales
stinking chamomile	Anthemis cotula L	Asteraceae	Asterales
spurred anoda	Anoda cristata (L.) Schlecht	Malvaceae	Malvales
absinth wormwood	Artemisia absinthium L.	Asteraceae	Asterales
common burdock	Arctium minus Bernh.	Asteraceae	Asterales
cheatgrass	Bromus tectorum L.	Poaceae	Cyperales
common caraway	Carum carvi L.	Apiaceae	Apiales
hoary cress	Lepidium draba (L.) Desv	Brassicaceae	Capparales
alpine knapweed	Centaurea nigrescens Willd	Asteraceae	Asterales
chicory	Cichorium intybus L.	Asteraceae	Asterales
oriental virginsbower	Clematis orientalis L.	Ranunculaceae	Ranunculales
houndstongue	Cynoglossum officinale L.	Boraginaceae	Lamiales
cutleaf teasel	Dipsacus laciniatus L.	Dipsacaceae	Dipsacales
quackgrass	Elymus repens (L.) Gould	Poaceae	Cyperales
redstem filaree	Erodium cicutarium (L.) L'Hér. ex Ait.	Geraniaceae	Geraniales
myrtle spurge	Euphorbia myrsinites L	Euphorbiaceae	Euphorbiales
halogeton	Halogeton glomeratus (Bieb.) C.A. Mey.	Chenopodiaceae	Caryophyllales
damesrocket	Hesperis matronalis L.	Brassicaceae	Capparales
Venice mallow	Hibiscus trionum L.	Malvaceae	Malvales
black henbane	Hyoscyamus niger L.	Solanaceae	Solanales
perennial pepperweed	Lepidium latifolium L.	Brassicaceae	Capparales
oxeye daisy	Leucanthemum vulgare Lam.	Asteraceae	Asterales
Dalmatian toadflax	Linaria dalmatica (L.) P. Mill.	Scrophulariaceae	Scrophulariales
bull cottonthistle	Onopordum tauricum Willd.	Asteraceae	Asterales
wild-proso millet	Panicum miliaceum L.	Poaceae	Cyperales
African rue	Peganum harmala L.	Zygophyllaceae	Sapindales
bouncingbet	Saponaria officinalis L.	Caryophyllaceae	Caryophyllales
perennial sowthistle	Sonchus arvensis L.	Asteraceae	Asterales
medusahead	Taeniatherum caput-medusae (L.) Nevski	Poaceae	Cyperales
smallflower tamarisk	Tamarix parviflora DC.	Tamaricaceae	Violales
saltcedar	Tamarix ramosissima Ledeb.	Tamaricaceae	Violales
common tansy	Tanacetum vulgare L.	Asteraceae	Asterales
false chamomile	Tripleurospermum perforatum (Merat) M. Lainz	Asteraceae	Asterales
moth mullein	Verbascum blattaria L.	Scrophulariaceae	Scrophulariales
fivestamen tamarisk	Tamarix chinensis Lour.	Tamaricaceae	Violales

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Colorado Noxious Weeds

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