Petasites hybridus: See: Butterbur.
R. B. Lipton, MD, H. GÃ¶bel, MD, PhD, K. M. EinhÃ¤upl, MD, K. Wilks, MD and A ...
Several photographs of Butterbur and some identifying features.
Petasites hybridus - Butterbur from Alternative Medicine Review provided by Find Articles at BNET
Petasites hybridus Garden Plant Information Name. Petasites hybridus (also called Butterbur) Genus Petasites. Species. hybridus. Cultivar/variety
A PLANTS profile of Petasites hybridus (pestilence wort) from the USDA PLANTS database