Montane Knapweed
Ludwig Werle
Spotted Knapweed
John W. Bova
Greater Knapweed Flowering
Nigel Cattlin
Frosted Knapweed With Sugar Maple Leaf
Nhpa
Centaurea Montana, Bachelors Button #1
Science Source
Centaurea Montana, Bachelors Button #2
Science Source
Floodplain In Spring, France #1
Jean-Louis Klein & Marie-Luce Hubert
Grasshoppers On Meadow Plants
Jean-Louis Klein & Marie-Luce Hubert
Yellow Star-thistle #2
William H Mullins
Centaurea Montana, Bachelors Button
Science Source
Hardead Flowering
Nigel Cattlin