Birch Polypore /All Year/ Medicinal/ Edible Common Name Birch Polypore, Razor Strop Fungus. Scientific Name Piptoporus Betulina Family Fomitopsidaceae Habitat & Lookalikes Birch polypore grows primarily on birch trees and has no look-alikes. You can sometimes find them in big clusters all over trees also. Description A large bracket…