Petasites hybridus (L.) G.Gaertn., B.Mey. & Scherb. [ Petasites officinalis Moench]
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Petasites hybridus (L.) G.Gaertn., B.Mey. & Scherb. [ Tussilago hybrida L.] [Compositae]
F. Losch, Kräuterbuch, ed. 2: t. 83, fig. 1 (1905)