Observation 155533: Agaricus cupreobrunneus (Jul. Schäff. & Steer) Pilát

When: 2012-12-03

Collection location: Davis, California, USA [Click for map]

Who: Byrain

Specimen available

Notes:
Growing in an empty lot, KOH negative.

Spores with a minute germ pore.
Spore range = 8 – 9 (10) x 6 – 7 µm
Average spore = 8.25 × 6.05 µ
Q range = (1.29) 1.33 – 1.5
Average Q = 1.36
20 spores measured.

Cystidia not observed.
Some basidia & basidioles with brown pigment.
4-spored.

Images

Spores, 1000x, mounted in KOH
Basidium & basidioles, 1000x, mounted in KOH, 1 µ divisions

Proposed Names

85% (1)
Recognized by sight
Used references
Based on microscopic features

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= Observer’s choice
= Current consensus

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Created: 2013-12-12 18:09:30 PST (-0800)
Last modified: 2014-02-03 11:19:19 PST (-0800)
Viewed: 45 times, last viewed: 2019-01-21 19:41:45 PST (-0800)
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