dry thistle in august. carduus, thistle, is a genus of flowering plants in the aster family, asteraceae, and the tribe cynareae.

abstract agriculture aster asteraceae august background black bloom blossom botany carduus color cynareae dry family flora floral flower flowering fresh freshness garden genus globe gray greece green growth healthy kolympia leaf macro material meadow natural nature old organic outdoor plant plants rhodes rock rough stone summer surface thistle thistles tribe water white wild