Compositae source details
(1921). Pamp. in Bull. Soc. Bot. Ital. 1921. 1921.
324949
1921
Publication
Date
action
by
Cirsium chamaepeuce f. pseudofruticosum Pamp. accepted as Ptilostemon gnaphaloides subsp. pseudofruticosus (Pamp.) Greuter (original description)
