Habitat: Forests, on hardwoods, particularly alder and maple.
Substrate: Wood.
Conservation Status: Not of concern
Part of the Phellinus igniarius group; in our area, Phellinus on hardwoods other than Salix are considered to be P. alni.
PNW Herbaria: Specimen records of Phellinus alni in the Consortium of Pacific Northwest Herbaria database
CalPhotos: Phellinus alni photos