Polyporus

noun

Po·​lyp·​o·​rus pə-ˈlip-ə-rəs 

: a genus (the type of the family Polyporaceae) of fungi having fruiting bodies that are sessile or borne on a stipe and including important pathogens of various trees and in some classifications the fungus (Fomes officinalis synonym P. officinalis) supplying the drug agaric formerly used to treat excessive perspiration