Russian knapweed


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Russian knapweed

Acroptilon repens. See also centaurea.
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Spotted knapweed, Russian knapweed, leafy spurge, and sulfur cinquefoil have taken over much of the land of the Northern Cheyenne Reservation near Lame Deer, Montana.
Now we have been struck with Russian knapweed which is considered a noxious weed and is difficult to eradicate.
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.

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