USA, Oregon, Multnomah, Larch Mountain, near Sandy
45.5312 -122.0892
The original description incorrectly gives the holotype collection date as 20 Oct 1947; microscopic slide made by L. Norvell 1995; cited in Mycol. Res. 102:618. 1998; cited in Mycologia 92:989, 990. 2000 Mycologia 1972 64: 1145.