Sentences with phrase «spotted knapweed»
It was widely believed that nothing ate spotted knapweed; that's why it had become so invasive.
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His studies on spotted knapweed take him to South America and Turkey to study «what allows a species that is a mild - mannered plant in Europe to become a sort of monster in North America or South America.»
He examined a patch of spotted knapweed and noticed seed heads scattered on the ground in small piles.
When spotted knapweed was introduced into western Montana, the normally benign plant took over the grassland community, crowding out other species.
Keeping spotted knapweed and skeleton weed and a dozen other foreign plants out of the Frank entirely is impossible, however.
The Forest Service and the Sierra Club have run float trips on the Salmon River with volunteers who pull out spotted knapweed by its taproot.
The primary targets of the spraying are spotted knapweed and rush skeleton weed, two exotics from Europe that are common in the rangeland of Idaho and Montana.
The buckthorn, leafy spurge and spotted knapweed already have spread too far on...