POLYPORUS
Polyporus, genus Polyporus
(noun) type genus of the Polyporaceae; includes important pathogens of e.g. birches and conifers
Source: WordNet® 3.1
Po*lyp"o*rus, n.; pl. Polypori. Etym: [NL., fr. Gr. (Bot.)
Definition: A genus of fungi having the under surface full of minute pores;
also, any fungus of this genus.
Note: Polyporus fomentarius was formerly dried and cut in slices for
tinder, called amadou. P. betulinus is common in America, and forms
very large thick white semicircular excrescences on birch trees.
Several species of Polyporous are considered edible.
Source: Webster’s Unabridged Dictionary 1913 Edition