USA, Washington, Pierce, Carbon River, Mt Rainier National Park
46.1308 -122.0003
Per L. Norvell, 1998: Phaeocollybia fallax may be a synonym of this species and P. lilacifolia is currently included in FEMAT strategies for this reason; cited in Mycol. Res. 102:618. 1998. Beih. Sydowia 1957 1: 59.