A map of the monitoring site with distribution of butterbur (Petasites... | Download Scientific Diagram
Petasites albus Weisse Pestwurz - by Ophrys3656 - JungleDragon
Petasites albus (White Butterbur) - The Alpine Flora of Zermatt, Switzerland
botany, herbs, butterbur (Petasites), woodcut by Heinrich Fuellmaurer, coloured, drawn by Albrecht Mayer, from "Neues Kraeuterbuch" (New herbal book), by Leonhart Fuchs, printed at M. Isingrin, Basel, Switzerland, 1544, page 249, 38