cirsium(n = noun.plant) genus cirsium - plume thistles;
is a kind of asterid dicot genus
is a member of aster family, asteraceae, compositae, family asteraceae, family compositae

cirsium arvense, cirsium discolor, cirsium eriophorum, cirsium flodmanii, cirsium helenioides, cirsium heterophylum, cirsium lanceolatum, cirsium rivulare, cirsium vulgare, genus cirsium