Diffuse Knapweed
Centaurea diffusa
Diffuse knapweed is a state designated noxious weed in Wyoming.
Photo by USDA APHIS PPQ Archive, USDA APHIS PPQ, Bugwood.org
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The University of Wyoming has earned its Research Level 1 (R1) status from the Carnegie Classification of Institutions of Higher Education, placing Wyoming's only four-year university with the top research universities in the United States.