Observation 164671: Psathyrella spadicea (Schaeff.) Singer

Found by Carissa Chun.
Growing in a cluster at the base of a dying tree @ ~ 5000ft.
Spore print brown with slight purplish tint.
Spores ~ 7.0-9.1(10.0) X 4.1-5.3 microns, mostly oblong.
Gill cystidia fairly abundant, variable, mostly broadly fusoid, with thick walls near apex. A few with apical crystals.
There seemed to be also some inflated cells on parts of the gill edge as noted in Smith’s description. (see last photo)


Spores in KOH @ 1000X.
Cheilocystidia in Congo red + KOH @ 1000X.
Cheilocystidia and inflated cells In Congo red + KOH @ 1000X.

Proposed Names

61% (2)
Eye3 Eyes3
Used references: The North American Species of Psathyrella by A. H. Smith

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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I did note that the spore deposit
By: Ron Pastorino (Ronpast)
2014-05-05 14:21:40 PDT (-0700)

was brown with maybe a hint of purple.
Most of the micro characters seem to fit Smith’s description pretty closely.

Can you make a spore print?
By: Byrain
2014-05-04 21:10:57 PDT (-0700)

Spore color seems to be helpful here.

Created: 2014-05-04 20:55:06 PDT (-0700)
Last modified: 2014-05-05 20:49:46 PDT (-0700)
Viewed: 106 times, last viewed: 2018-11-27 05:50:41 PST (-0800)
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