Observation 20327: Agaricus L.

When: 2009-04-16

Collection location: Alter Valley, Tucson, Arizona, USA [Click for map]

Who: ultio1

Specimen available

Notes:
I found these growing under a mesquite tree.

[admin – Sat Aug 14 01:57:51 +0000 2010]: Changed location name from ‘Alter valley Sonoran desert west of Tucson’ to ‘Alter Valley, West of Tucson, Tucson, Arizona, USA’

Images

Proposed Names

-54% (3)
Used references: national Audubon society field guide to North American mushrooms
58% (2)
Recognized by sight: Photo 2 (41242): Partial veil, chocolate-brown gills, white coloration, absence of volva

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Comments

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Photos not all Amanitas
By: aythya-amanita
2010-01-29 22:44:54 AST (-0400)

Are all the pictures of what you believe were Amanitas or are they the Agaricus mushrooms implied from the label? An Amanita will have either pale or yellow gills and an Amanita verna will have a volva.