Habitat/range: On hardwoods and conifers, causing a white rot. In BC, known from two collections on Abies lasiocarpa at Aleza Lake. Elsewhere in western North America, known from CO, CA, AZ, and NM.Basidiomata effuse, annual, large, typically adnate, up to 1 mm thick; margin rather wide, thinning out; context white to cream, soft, thin; pore surface rosy pink to cream; pores round to angular, 3–5 per millimetre.
Hyphae 3–6 μm diameter with simple septa and rare clamp connections, occasionally swollen at a septum, branches diverge at a right angle; basidi- ospores oblong to short-cylindrical, 4–5 × 2.0–2.5 μm.
Polypores of British Columbia (Fungi: Basidiomycota)