3666shares Share Tweet Pin Birch Polypore mushrooms (Fomitopsis betulina, formerly Piptoporus betulinus) are potent medicinals with a long history of human use.  This easy to identify mushroom grows on birch trees and is relatively common anywhere birch are present.    Humans have been using birch polypore mushrooms for a long time, and the earliest evidence … Continue reading Birch Polypore: Identification & Uses