Notes:
Caps up to 3.7 cm across.
Spores ~ 8.0-9.1 X 5.9-6.1 microns, and moderately rough.
No strong odor detected.
KOH on cap and stem was reddish brown.

Images

Proposed Names

61% (2)
Used references: By semi-popular demand. The spores do seem to have the right size and amount of ornamentation(Mycotaxon 5(2) 389-391).

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= Observer’s choice
= Current consensus

Comments

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Like C. thiersii
By: Emma Harrower (eharrower)
2014-03-16 10:43:48 PDT (-0700)

I’ve seen C. thiersii in the spring in Washington State near the snow line. The spore measurements fit this species. My notes for C. thiersii say: “KOH reactions: granular yellow to purplish red extra cellular pigments, depending on age of dried specimen”.

They do look something like C. thiersii
By: Ron Pastorino (Ronpast)
2011-12-30 22:22:08 PST (-0800)

although the caps were a little more darker reddish brown than the photos show.
Also, the C. thiersii is normally found in the Sierras during the spring.

It reminds
By: Irene Andersson (irenea)
2011-12-30 12:25:12 PST (-0800)

quite a bit of Cortinarius thiersii (Dermocybe)