Observation 165262: Agaricus bernardi Quél.
When: 2014-05-14
No herbarium specimen

Notes: I’ve never seen a grocery store mushroom stain red, so I had to post this. Based on the keys I looked at, few agaricus species stain red and have no NaOH (KOH) reaction. It also has a pretty enlarged base. Was growing in mulch in a flowerbed. Inrolled margin.

Images

420490
420489
420491
433067
Found another specimen 5/28. Scalier than the first couple.
433069
Found again 6/20.
433071
Found again 6/20.

Proposed Names

59% (2)
Eye3 Eyes3
Recognized by sight: Mycological Association of Washington members identified its distinct "briny"smell.
Based on chemical features: Does not stain with NaOH
55% (1)
Recognized by sight: red staining, beefy stature, inrolled margin

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Thanks, Christian!
By: Willow Nero (wbnero)
2014-05-26 14:20:50 CEST (+0200)

I didn’t realize so many agaricus in this country, especially the East Coast, are undescribed. :)

Created: 2014-05-15 14:42:16 CEST (+0200)
Last modified: 2016-09-03 08:59:24 CEST (+0200)
Viewed: 58 times, last viewed: 2017-06-18 12:19:06 CEST (+0200)
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