Petasites hybridus (L.) G.Gaertn., B.Mey. & Scherb. [ Petasites ovatus Hill]
no HD illustration available (m1)
Petasites hybridus (L.) G.Gaertn., B.Mey. & Scherb. [ Tussilago hybrida L.] [Compositae]
C.A.M. Lindman, Bilder Nordens Fl., vol. 1 : t. 24 (1922)