Tags: plant, knapweed, centaurea, scabiosa
Tags: plant, centaurea, diffusa, diffuse, knapweed, pollinator, colorado, noxious, weed
Tags: plant, cornflower, centaurea, cyanus
Tags: plant, centaurea, macrocephala, bighead, knapweed
Tags: plant, centaurea
Tags: plant, centaurea, cyanus, bachelor, buttons, invasive, weed, oregon
Tags: plant, knapweed, centaureas
Tags: plant, spotted, knapweed, centaurea, maculosa, bruce, peninsula, ontario, canada