The birch polypore (Fomitopsis betulina, Piptoporus betulinus) is a mushroom whose use by humans dates back at least 5,300 years.- https://mountain-mann.blogspot.....com/2016/12/birch-p
The birch polypore (Fomitopsis betulina, Piptoporus betulinus) is a mushroom whose use by humans dates back at least 5,300 years.- https://mountain-mann.blogspot.....com/2016/12/birch-p