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Black henbane
BACKGROUND: Black henbane is a native plant of Europe commonly found in waste areas, pastures, along rights-of-way, ... -
Spotted knapweed
BACKGROUND: Originally found in Eurasia, spotted knapweed infests rangeland, pastures, roadsides, or any disturbed s... -
Rush skeletonweed
BACKGROUND: Native to Eurasia, rush skeletonweed is found in rangeland, cropland, pastures, wasteland, disturbed are... -
Purple loosestrife
BACKGROUND: Purple loosestrife is a European plant probably introduced to the United States as an ornamental. It rep... -
Medusahead
BACKGROUND: Medusahead was brought to the United States from Eurasia. It is extremely competitive, completely displa... -
Leafy Spurge
BACKGROUND: A native plant of Eurasia, leafy spurge is an aggressive invader of pastures, rangeland, stream banks, a... -
Dyers Woad
BACKGROUND: Dyers woad was introduced from Europe for production of textile dyes. It thrives in waste areas, gravel ... -
Diffuse Knapweed
BACKGROUND: Native to Eurasia, diffuse knapweed inhabits dry rangeland, roadsides, field edges, and waste areas. Kna... -
Dalmatian Toadflax
BACKGROUND: Dalmatian Toadflax was brought to the United States from Europe, probably for ornamental purposes. It pr... -
Yellow toadflax
BACKGROUND: Yellow Toadflax came from Eurasia. It is an aggressive invader of rangeland, roadsides, field edges and ... -
Yellow Starthistle
BACKGROUND: Yellow starthistle was introduced from Europe. It grows well on dry sites in rangeland, roadsides, and w... -
Squarrose Knapweed
BACKGROUND: Squarrose knapweed is a native plant of the eastern Mediterranean area. It is very competitive on rangel...