Observation 151879: Psathyrella (Fr.) Quél.

When: 2013-11-04

Collection location: University of California Berkeley, Berkeley, Alameda Co., California, USA [Click for map]

Who: hoffmansc

No specimen available

Notes:
Found in muddy soil by a tree on Memorial Glade. Found growing on a rotting piece of hardwood in the mud.

Images

P. cyanescens.JPG
Psilocybe cyanescens spores.jpg
100X oil immersion

Proposed Names

52% (1)
Used references: Arora
Based on microscopic features: Spores typical of Psilocybe
Based on chemical features: Blue/green bruising
57% (1)
Recognized by sight: Cap is not the right color for Psilocybe cyanescens, nor the right shape. The pin is too round and not caramel enough for P. cyanescens. Looks like Psathyrella. Not sure what to think about the blue staining, was it really getting darker blue as it get damaged? Looks like it was sprayed with weed killer that had green dye? Or maybe someone drew on it with a blue sharpie.
Based on microscopic features: Dark brown ellipsoid spores with a germ pore

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= Observer’s choice
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