Observation 21080: Panaeolus bisporus (Malençon & Bertault) Ew. Gerhardt

When: 2009-05-16

Collection location: Ocean Beach, San Diego, California, USA [Click for map]

Who: Lipa

Specimen available

Found in grass w/irrigation. 3 observed.

Herbarium specimen will be sent to Dr. Ewald Gerhardt(Berlin) and I will update information upon arrival.

[admin – Sat Aug 14 02:04:05 +0000 2010]: Changed location name from ‘Ocean beach, San Diego Co., California, USA’ to ‘Ocean Beach, San Diego, California, USA’


Proposed Names

14% (4)
Based on microscopic features: Two spored basidia with occasional 1 spored basidia, but rare. Spore size,shape,metuloids wall thickness and color all match Gerhardts description.

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= Observer’s choice
= Current consensus


Add Comment
Finding info?
By: Rollz
2010-06-04 12:19:17 CDT (-0500)

Where can I find the crucial info on this species? I kind find stuff like cap size, stem size, that type of ID info on the web. Can someone point me to a place please?

Wow… nice work here.
By: Douglas Smith (douglas)
2009-06-27 01:17:20 CDT (-0500)

Wow – look at that, nice work. Those pleurocystidia shots are great, and you really nailed the 2-spored basidia. I would have liked to see shots of the spores at 1000x to really finish this off. Wow, its great to see such good work show up.

By: Erin Page Blanchard (CureCat)
2009-05-16 13:36:27 CDT (-0500)

Thanks for documenting this Lipa!

I began mushroom hunting in San Diego as well. I miss all the interesting grass mushrooms. I was really interested in Panaeolus when I was down there, but in moving to the Bay Area the Panaeolus were scarce and the Psathyrella were everywhere. So my focus shifted. Ps. bipellis is one of my favourite species to find.

Lipa, if you ever go to the NorthWest part of San Diego County let me know and I’ll point you towards some interesting fungi.

Nice to see San Diego specimens…
By: Christian (Christian Schwarz)
2009-05-16 12:46:27 CDT (-0500)

This is very interesting – I collected something like this about 5 years ago in a lawn in Pacific Beach, but I never got a name on it.
San Diego was my first collecting ground, and I am excited to see observations from all the old haunts… Felicita Park, irrigated landscaping (of course), etc.
I wonder, have you been out to Palomar Mountain, Wilderness Gardens, or the Golden Hill park near Balboa? All these places yielded some interesting things (Psathyrella bipellis) at Wilderness Gardens and Golden Hill if you are interested in dark-spored things.

Created: 2009-05-16 12:03:01 CDT (-0500)
Last modified: 2017-10-11 14:58:26 CDT (-0500)
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