Centaurea maculosa, spotted knapweed Infestations
spotted knapweed along the Jefferson River near Cardwell, MT 6/28/00. This is a spot where people park to fish and camp. The Golden Sunlight gold mine is in the background.
A heavily infested old railroad bed, now a ranch road near Cardwell, MT 6/28/00. The plants have not yet bloomed. We have several releases of biological control insects along this weed corridor.
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