Photo: Petasites hybridus 31.

Flowering plants. Siltamäki, Helsinki, Finland. Wild. 2008-04-28.
Petasites hybridus (L.) P. G. Gaertn., B. Mey. & Scherb Engl.: butterburr, pestilence wort, blatterdock, bog rhubarb, butter-dock, butterbur, sweet coltsfoot. Deu.: Gewöhnliche Pestwurz, Rote Pestwurz. Suom.: etelänruttojuuri. Sven.: pestskråp, pestilensrot, pestrot, skråp. Bot. syn.: Petasites officinalis Moench, Petasites ovatus Hill, Petasites vulgaris Hill, Tussilago hybrida L., Tussilago petasites L.
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Photo: Petasites hybridus 31.