Growing on very old downed ponderosa pone log
Tough yellowish-beige polypore that grows on rotted wood. Black stem firmly attached to substrate (rotted wood). Pores are off white.
Polyporus is a genus of fungi in the Polyporaceae family. It is a genus used for the production of single cell proteins, sources of mixed protein extracted from pure or mixed cultures of algae, yeasts, fungi or bacteria (grown on agricultural wastes) used as a substitute for protein-rich foods, in human and animal feeds.