Observation 22868: Agaricus L.

When: 2009-03-26

Collection location: San Francisco, San Francisco Co., California, USA [Click for map]

Who: Micah Courteau (waynegrompsky)

No specimen available

Notes:
growing in sandy soil

Images

Proposed Names

19% (2)
Recognized by sight
45% (2)
Recognized by sight

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= Observer’s choice
= Current consensus

Comments

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More details would help
By: David (dhpgetsit)
2010-12-30 15:25:00 CST (-0500)

Staining reactions would be interesting to know. It’s hard to tell but the stem in the first photo may be showing reddish staining. Also odors can help with identification.