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When: 2011-08-18

Collection location: Washington Crossing State Park, Mercer Co., New Jersey, USA [Click for map]

Who: I. G. Safonov (IGSafonov)

No specimen available

A fairly diminutive and fragile-looking Agaricus basidiocarp growing on leaf litter under deciduous trees. Has an interesting odor — first it smelled faintly of a minty toothpaste; when cut in two, the odor was reminiscent of a gouache paint.


The stipal bulb context stains rich yellow instantly upon exposure to air
Staining of the context with 3% KOH (aq); the cap stains pale yellow (not shown)

Proposed Names

48% (2)
Used references: 1) “Mushroom and Other Fungi of North America” by R. Phillips
Based on chemical features: KOH stains the cap and context yellow

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= Observer’s choice
= Current consensus


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