Polyporus melanopus Fr.
no common name

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi


© Michael Beug     (Photo ID #17619)


E-Flora BC Static Map

Distribution of Polyporus melanopus
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Species Information

pleasant (Breitenbach)
mild (Breitenbach)
spores 7-9 x 3-3.5 microns, cylindric, smooth, inamyloid, colorless; basidia 4-spored, 18-28 x 6-8 microns, clavate, with basal clamp; cystidia none, cystidioles present, 16-21 x 4-5 microns, fusoid, with basal clamp; hyphae dimitic, generative hyphae of context 3-5 microns wide, colorless in KOH, thin-walled, with clamp connections, rarely branched, binding hyphae of context 2-7 microns wide, colorless, thick-walled, nonseptate, with occasionally branching; hyphae of trama similar, (Gilbertson), spores 6-8 x 3-4 microns, cylindric to oblong elliptic, inamyloid, (Phillips), spores 7-8 x 3-3.5 microns, (Breitenbach)
Spore Deposit:
white (Buczacki)
no (Phillips)

Habitat and Range

Polyporus badius is found on wood and has a bald stem, and generative hyphae lack clamp connections, (Gilbertson); Polyporus varius is found on wood, has a streaked cap, and has bald stem, (Gilbertson); Polyporus elegans is usually much smaller and becomes whitish when old, besides being black only in lower part of stem, (Gilbertson)
annual, on ground, presumably developing from buried wood of hardwoods and conifers, (Gilbertson), on ground or on buried wood (Phillips), single to gregarious, on buried dead wood of hardwoods and conifers, apparently only on soil, according to literature also on roots of hardwoods, (Breitenbach), late summer to fall (Buczacki)