Summary:
Features include shelf-like to flat growth on wood, a dull reddish brown upper surface that is grooved, zoned, and tomentose or with stiff erect hairs, the upper tomentum separated by a thin dark layer from the lower flesh, the pore surface bright yellowish brown before darkening, and microscopic characters including hymenial setae.

Microscopic:
spores 4-5.5 x 4-5 microns, oval to nearly round, smooth, inamyloid, colorless, becoming pale yellowish brown, becoming slightly thick-walled; basidia 4-spored, 10-12 x 5-6 microns, clavate, simple-septate at base; setae abundant, 25-60 x 7-10 microns, subulate, thick-walled, bright reddish brown in KOH; hyphal system dimitic: hyphae of fibrous context 2-4 microns wide, "thin-walled and almost hyaline to thick-walled and bright reddish brown in Melzer''s reagent, darker brown in KOH, septate, occasionally to often branched, closely interwoven into a compact tissue", hyphae of upper tomentum 2-5 microns wide, "thin-walled and yellowish to thick-walled and bright reddish brown, septate, with rare branching", "dark layer between lower context and tomentum composed of dark, closely interwoven hyphae"; trama hyphae 2-3 microns wide, colorless to yellowish brown, thin-walled to slightly thick-walled, septate, with rare to occasional branching, (Gilbertson), spores 4.5-5.5 x 4-5 microns, nearly round, smooth, (Phillips)

Spore Deposit:
light brown (Phillips)

Notes:
Porodaedalea chrysoloma has been found in BC, WA, OR, ID, AB, MB, NB, NF, NS, NWT, ON, PQ, SK, YT, AK, AZ, CA, CO, MA, ME, MI, MN, MT, NH, NV, NM, NY, PA, UT, VT, WI, and WY, (Gilbertson).

EDIBILITY

no (Phillips)

Synonyms and Alternate Names:
Peziza subviolacea Svrcek
Peziza violacea sensu Seaver