Petasites hybridus (L.) G.Gaertn., B.Mey. & Scherb. [ Tussilago petasites L.]
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Petasites hybridus (L.) G.Gaertn., B.Mey. & Scherb. [ Tussilago hybrida L.] [Compositae]
J. Sturm, J.W. Sturm, Deutschl. Fl., vol. 2 (Heft 5-8): t. 55] (1798)