Observation 82423: Agaricus xanthodermus Genev.
When: 2011-10-13
Who: Byrain
No herbarium specimen

Notes: Growing in a grassy field along the side of a bike path. Smells strongly like chemicals even when dried, stains yellow like a highlighter, and KOH leaves intense and persistent yellow stains wherever it is applied.
From 30 spores measured the range is 5.5 – 6.5 × 4 – 5 (5.5) μ, the average size is 6 × 4.31 μ, and the average Q is 1.4.

Images

181971
Intense yellow stains on the cap, stem, and context are KOH.
181972
181973
Spores from annulus
1000x
Mounted in KOH
1μ divisions
181974
Pileipellis
400x
Mounted in KOH
2.44 μ divisions

Proposed Names

92% (2)
Eye3 Eyes3
Recognized by sight: Stains yellow like a highlighter.
Based on microscopic features: Spore size
Based on chemical features: Chemical scent, KOH stains yellow strongly.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2011-11-14 00:20:52 CET (+0100)
Last modified: 2011-11-14 07:16:01 CET (+0100)
Viewed: 68 times, last viewed: 2016-10-23 08:15:48 CEST (+0200)
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