Prairie Noxious Weeds

Meadow knapweed Centaurea debeauxii (syn. C. pratensis)	Meadow knapweed Centaurea debeauxii (syn. C. pratensis)	Meadow knapweed Centaurea debeauxii (syn. C. pratensis)	Mouse-eared hawkweed Hieracium pilosella	Mouse-eared hawkweed Hieracium pilosella
Potetilla recta Sulphur cinquefoil	Spotted knapweed Centaurea maculosa	Diffuse knapweed Centaurea diffusa	Diffuse knapweed Centaurea diffusa	Euphorbia esula Leafy spurge
Silene vulgaris (cucubalus) bladder campion	Silene vulgagre (cucubalus) bladder campion	Euphorbia esula Leafy spurge	Blue weed Echium vulgare	Blue weed Echium vulgare
Torilis arvensis	Torilis arvensis	Torilis arvensis	Torilis arvensis