Utah Noxious Weeds

Utah Department of Agriculture. 2003. Utah noxious weed act. Utah Department of Agriculture.

Subject Name	Scientific Name	Family	Order
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
purple loosestrife	Lythrum salicaria L.	Lythraceae	Myrtales
johnsongrass	Sorghum halepense (L.) Pers.	Poaceae	Cyperales
leafy spurge	Euphorbia esula L.	Euphorbiaceae	Euphorbiales
field bindweed	Convolvulus arvensis L.	Convolvulaceae	Solanales
squarrose knapweed	Centaurea virgata Lam.	Asteraceae	Asterales
Russian knapweed	Rhaponticum repens (L.) Hidalgo	Asteraceae	Asterales
yellow starthistle	Centaurea solstitialis L.	Asteraceae	Asterales
Scotch thistle	Onopordum acanthium L.	Asteraceae	Asterales
diffuse knapweed	Centaurea diffusa Lam.	Asteraceae	Asterales
Dyer's woad	Isatis tinctoria L.	Brassicaceae	Capparales
hoary cress	Lepidium draba (L.) Desv	Brassicaceae	Capparales
bermudagrass	Cynodon dactylon (L.) Pers	Poaceae	Cyperales
quackgrass	Elymus repens (L.) Gould	Poaceae	Cyperales
perennial pepperweed	Lepidium latifolium L.	Brassicaceae	Capparales
sorghum-almum	Sorghum almum Parodi	Poaceae	Cyperales
medusahead	Taeniatherum caput-medusae (L.) Nevski	Poaceae	Cyperales

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