Petasites albus (L.) Gaertner
      
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1 771867 Petasites albus (L.) Gaertner [181 1040416 Tussilago alba L.] Compositae
T.F.L. Nees von Esenbeck, F.KL. Spenner, A. Putterlick, J.X.R. Caspary, Gen. Fl. Germ., vol. 5 (Conspectus): , fig. 23-27 (1845)