Observation 23314: Chlorophyllum brunneum (Farl. & Burt) Vellinga

When: 2009-07-18

Collection location: Golden Gate Park, San Francisco, California, USA [Click for map]

Who: Micah Courteau (waynegrompsky)

Specimen available

Proposed Names

33% (3)
Recognized by sight
55% (1)
Recognized by sight: Caps are evenly brown and smooth when very small, bulbous base, growth in mulch

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Thanks, Debbie.
By: Daniel B. Wheeler (Tuberale)
2009-07-19 19:54:08 EEST (+0300)

I was considering Stropharia r-a as well. I was rather expecting it in the nearly ideal growing medium shown. But there is not the strong rope-like mycelium attached to the stipe base that I would anticipate. Amanita p. is also a possibility, IF there are nearby trees of appropriate species. Don’t see any trees, and can’t make out what trees those chips came from. So like some primordium, still in the dark here.

Grey veil remnants?
By: Darvin DeShazer (darv)
2009-07-19 18:54:47 EEST (+0300)

It looks like a grey universal veil on the cap. If that is NOT dirt, it might be Amanita porphyria, which is fruiting right now in the Bay Area.

trees around that wood chip bed?
By: Debbie Viess (amanitarita)
2009-07-19 18:11:06 EEST (+0300)

corts are strictly MR. if it’s one of the saprobic wood chip denizens, could be just about anything; it almost looks like Stropharia rugoso-annulata with that reddish cap, but the base is awfully bulbous. go back and get more photos (and a spore print!) when the mushroom matures.

gotta love the watered parks in SF in our otherwise dry Bay Area summertime!

Probably an Agaricales
By: Daniel B. Wheeler (Tuberale)
2009-07-19 06:46:30 EEST (+0300)

With gills. But without seeing some of the gill structure, impossible to go further. Stipe has distinctly bulbous base, reminiscent of some of the Cortinarius family. There could be a cortina-like veil. It would help to have a specimen cut in two lengthwise, including the cap, to narrow things down.

Created: 2009-07-19 02:37:27 EEST (+0300)
Last modified: 2014-10-07 00:07:39 EEST (+0300)
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