Summary:
Features include a white cap that may be depressed, white gills that become pinkish, a white stem, a farinaceous odor, a pinkish brown spore print, and angular spores. The description is derived from Largent(1). It is rare in the western United States (Largent(1)).
It is found at least in WA. It is reported from BC in Kroeger(3) and there is a collection at the University of British Columbia determined by O. Ceska.
Cap:
1.5-3cm across, convex, depressed or umbilicate and flat, margin inrolled, becoming decurved [downcurved] when old; pallid to whitish, very slightly hygrophanous; bald to appressed-tomentose, margin opaque
Flesh:
thin; pallid
Gills:
sinuate to short-decurrent, crowded to subdistant, rather narrow; white, becoming salmon-colored
Stem:
3-6cm x 0.2-0.4cm at top, equal, solid to spongy; white; smooth, fibrillose
Veil:
fleeting white superficial veil may be seen on cap
Odor:
farinaceous
Microscopic spores:
spores 9-11.8 x 6.6-9.1 microns, spores average more than 9 microns long, 5-6 sided, angular, smooth, [inamyloid]; basidia 4-spored, 30-37 x 8-11 microns, easily separated; pleurocystidia absent, cheilocystidia absent, pileocystidia cylindric, caulocystidia cylindroclavate, 32.5-50 x 3.7-7.5 microns; clamps rare to scattered on hyphae of pileipellis, stipitipellis, and at base of basidia, not mentioned elsewhere; pigmentation colorless, not incrusted
Spore deposit:
pinkish brown
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