Mushroom Observer
Catalog #: MUOB 267236
Taxon: Agaricus albolutescens Zeller
Family: Agaricaceae
Collector: Ron Pastorino   MUOB 267236   
Date: 2017-01-13
Verbatim Date: 2017-1-13
Locality: United States, California, San Anselmo, Faude Park
37.9862  -122.5685
Description: Original observation #267236 (Mushroom Observer)
Occurrence Remarks: Growing in grass by live oak. Caps up to 9.5 cm across surface. KOH on cap and stem turn yellow. Also bruising yellow to orangy. Odor of almonds. Base of stipe flat-bottomed and with a slight flare. Spores ~ 4.5-6.0 X 3.8-4.3 microns, broadly ellipsoid to ellipsoid. These seem to be what is currently known as Agaricus albolutescens.
Disposition: vouchered
Specimen Images
Rights Holder: MO Observers
Record Id: 09c16741-5fab-4af2-bd51-f9a500989598
For additional information on this occurrence, please contact: Nathan Wilson (
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