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.P. de Tournefort, Inst. Rei Herb., vol. 3 : t. 258, fig. 2 (1700)