When: 2011-06-07

Collection location: Eldorado National Forest, California, USA [Click for map]

Who: Byrain

Specimen available

Notes:
Growing in an open field of sticks, some of largest Psathyrella I have seen, the cap diameter of the large one is 9.5 cm.

Spore range = 7 – 8 (9) x 4 – 5 µ
Average spore = 7.67 × 4.5 µ
Average Q = 1.72
15 spores measured.

Pleurocystidia abundant, clamps present.

Images

Spores, 1000x, mounted in KOH, 1 µ divisions
Pleurocystidia, 1000x, mounted in KOH, 1 µ divisions
Pleurocystidia, 1000x, mounted in KOH, 1 µ divisions
Pleurocystidia, 1000x, mounted in KOH, 1 µ divisions

Proposed Names

-28% (1)
Recognized by sight
28% (1)
Recognized by sight
Used references: North American Species of Psathyrella
Online description – http://bit.ly/L5B0if
Based on microscopic features

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= Observer’s choice
= Current consensus

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Created: 2011-06-11 13:15:06 PDT (-0700)
Last modified: 2015-12-14 09:37:40 PST (-0800)
Viewed: 134 times, last viewed: 2020-05-31 14:19:35 PDT (-0700)
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