Fomitopsis betulina

(birch polypore)

     
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Type Stem Cap Season
polyporeA group of fungi that form large, rigid, fruiting bodies with pores or tubes on the underside. absent or stubby 2" to 10" year-round

Habitat and Hosts:Found on the deadwood of birch trees, including European white birch, paper birch, and yellow birch; also sometimes reported as parasitic on living trees.