Robert W. Freckmann Herbarium Home Plants of Wisconsin Vascular Plants Name Search

Search Results:       Common Name: knapweed

Family Asteraceae (click for list of genera only)
Centaurea L. *               knapweed, star-thistle (DISTRIBUTION MAP GALLERY of SPECIES)
Centaurea americana Nutt. * +               American knapweed, American star-thistle, basket-flower
Centaurea biebersteinii DC. * +               spotted knapweed                  Acosta maculosa auct. non Holub                  Centaurea maculosa auct. non Lam.
Centaurea debeauxii Gren. & Godr. subsp. thuillieri Dostál * +               meadow knapweed
Centaurea diffusa Lam. * +               spreading knapweed, tumble knapweed, white knapweed                  Acosta diffusa (Lam.) Soják
Centaurea jacea L. * +               brown knapweed, brown-ray knapweed
Centaurea macrocephala Muss.Puschk. ex Willd. * +               big-head knapweed
Centaurea nigra L. * +               black knapweed, lesser knapweed                  Centaurea nigra L. var. radiata DC.
Centaurea nigrescens Willd. * +               Tyrol knapweed, Vochin knapweed                  Centaurea dubia Suter subsp. vochinensis (Bernh.ex Rchb.) Hayek                  Centaurea vochinensis Bernh. ex Rchb.
Centaurea repens L. * +               Russian knapweed                  Acroptilon repens (L.) DC.                  Centaurea picris Pall. ex Willd.
Centaurea scabiosa L. * +               greater knapweed, hard-heads