The cap is grayish brown at first, dark brown at maturity, with striations extending 25-40% of the cap's radius.
The gills are marginate.
The stem is decorated with black fibrils.
The spores measure (11.9-) 13.1 - 15.5 (-18.4) × (11.2-) 11.8 - 13.8 (-17.5) µm and are subglobose to broadly ellipsoid and inamyloid. Clamp information t.b.d.
Note: It is not known whether the spore measurements of the material seen to date (which had rather common bisterigmate basidia and was in distressed condition when the spores were measured fresh) is typical of this species. It is quite possible that the measurements are atypical.—R. E. Tulloss
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Each spore data set is intended to comprise a set of measurements from a single specimen made by a single observer;
and explanations prepared for this site talk about specimen-observer pairs associated with each data set.
Combining more data into a single data set is non-optimal because it obscures observer differences
(which may be valuable for instructional purposes, for example) and may obscure instances in which
a single collection inadvertently contains a mixture of taxa.