
1) Fungus genus 2) Genus polyporus
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https://www.crosswordclues.com/clue/polyporus

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. The name probably comes fr...
Found on
http://en.wikipedia.org/wiki/Polyporus

• (n.) A genus of fungi having the under surface full of minute pores; also, any fungus of this genus.
Found on
http://thinkexist.com/dictionary/meaning/polyporus/

(from the article `Polyporales`) ...conifer rot, heart rot, and root rot of rubber plants (Fomes); wood decay and root rot of cacao, coffee, rubber, and other trees (Ganoderma); and ...
Found on
http://www.britannica.com/eb/a-z/p/91

Origin: NL, fr. Gr. Many + a pore. ... <botany> A genus of fungi having the under surface full of minute pores; also, any fungus of this genus. ... 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. ...
Found on
http://www.encyclo.co.uk/local/20973
Po·lyp'o·rus noun ;
plural Polypori . [ New Latin , from Greek
poly`s many + ... a pore.]
(Botany) A genus of fungi having the under surface full of minute pores; also, any fungus of this genus. »
Polyporus fomentarius was formerly dried and cut in...
Found on
http://www.encyclo.co.uk/webster/P/123

Polyporus is a genus of hymenomycetous fungi with over a hundred British species. They for a type of the family Polyporae in which the hymenium, or spore-bearing surface, lines the interior of closely-packed tubes on the under side of the pileus. The species are chiefly found growing on trees and stumps, with only a few species living on the ground...
Found on
http://www.probertencyclopaedia.com/browse/BPA.HTM

[
n] - type genus of the Polyporaceae
Found on
http://www.webdictionary.co.uk/definition.php?query=Polyporus
genus Polyporus noun type genus of the Polyporaceae; includes important pathogens of e.g. birches and conifers
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.