Observation 115295: Agaricus sect. Arvenses (Konrad & Maubl.) Konrad & Maubl.

Hope better Agaricologists than I see this. Cap has a yellowish tint to an otherwise mostly white cap surface. No staining. Purple-black spores.


Button Agaricus large, nearly 4 inches in unopened state. Slight yellow tint to otherwise off-white cap.
Detail of unopened annulus.
Stipe is 5 inches or more tall.
Close-up of stipe after fingernail scratch: no staining or color change.
Exposed gills of an older Agaricus, likely the same species. This example of kicked over and stepped on. Still, dark purple-black spores and gills prove Agaricus if nothing else.
Sorry, but very overcast and near dark when photo taken. Details of edge of expanded cap showing annulus remnants attached to edge.
Details of another unopened button bottom. Annulus coglike? Some yellowing on highest points of the cogs, too.
Details of another button cap. Fairly abundant in this area. Probably 40 or more sporocarps seen today. All quite large. Note the felt-like surface texture of the cap.

Proposed Names

57% (1)
Eye3 Eyes3
Used references: Arora, Mushrooms Demystified.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2012-11-01 23:49:24 CDT (-0500)
Last modified: 2016-11-22 08:02:22 CST (-0600)
Viewed: 25 times, last viewed: 2017-06-14 08:20:28 CDT (-0500)
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