Russian knapweed


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Russian knapweed

Acroptilon repens. See also centaurea.
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Russian knapweed is a problem in ranges and pastures in the western United States, where it grows up to 4 feet tall and takes over otherwise productive land.
Currently, EBCL's top weed priorities include yellow starthistle, Russian knapweed, saltcedar, Russian thistle, leafy spurge, hoary cress, perennial pepper-weed, spotted knapweed, medusahead ryegrass, and rush skeleton weed.
Luster, the Frederick lab is the first stop in a national campaign to reunite exotic weeds like yellow starthistle and Russian knapweed with their homeland's natural enemies.

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