Physisporinus vitreus (Pers.: Fr.) P. Karst.
no common name
Meripilaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
no common name
Meripilaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
Photograph
Species Information
Summary:
Features include a distinct bluish semitransparent pore surface growing flat on wood and often surrounding plant remains and soil, the surface not changing color when bruised or only slowly becoming pale brown.
Odor:
unpleasant (Breitenbach)
Taste:
mild (Breitenbach)
Microscopic:
spores 5-6 x 4-5 microns, oval to round, inamyloid, colorless, thin-walled, often with an oil droplet; basidia 4-spored, 12-15 x 6-8 microns, broadly clavate, simple-septate at base; cystidia absent, "fusoid cystidioles present, 15-20 x 5-6 microns, simple-septate at the base"; hyphae monomitic, hyphae of subiculum 3-6 microns wide, colorless in KOH, thick-walled to thin-walled, sparingly branched, simple-septate; hyphae of trama 2-4 microns wide, similar, (Gilbertson), spores 4.5-5(5.5) microns in diameter, nearly round, smooth, inamyloid, colorless, with droplets; cystidia-like hyphal ends numerous, mostly toward the base of tubes, 4.5-5.5 microns wide, cylindric, thick-walled, with apical crystals, (Breitenbach)
Spore Deposit:
white (Buczacki)
Notes:
Physisporinus vitreus has found in BC, WA, ID, ON, AK, FL, GA, LA, MS, NC, NY, PA, and VA, (Gilbertson). It also occurs in Europe and Asia (Breitenbach).
Habitat and Range
SIMILAR SPECIES
Physisporinus sanguinolentus "has a more normal whitish color when fresh and rapidly becomes reddish and then black when bruised", and has smaller pores, (Gilbertson). P. sanguinolentus also has a softer consistency and somewhat larger spores, (Breitenbach). Physisporinus rivulosus has pores 3-4 per mm and clamp connections (Ginns).Habitat
annual, on dead wood of hardwoods, rarely conifers, associated with a white pocket rot, (Gilbertson), on moist dead wood of hardwoods and conifers, "commonly on stumps and then often growing over surrounding plant remains and soil", (Breitenbach), summer to fall (Buczacki)
Status Information
Synonyms
Synonyms and Alternate Names:
Boletus pinicola (misapplied name)
Boletus pinophilus (misapplied name)
Podoporia vitrea (Fr.) Donk
Polyporus vitreus Pers.: Fr.
Poria albirosea Murrill
Poria holoseparans Murrill
Poria vitrea Pers.
Rigidoporus vitreus (Fr.) Donk