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Observation 11658: Panaeolus (Fr.) Quél.

When: 2008-09-28

Collection location: Sebastopol, Sonoma Co., California, USA [Click for map]

Who: Darvin DeShazer (darv)

No specimen available

Species Lists


Proposed Names

9% (2)
Used references: MDM…it keyed out nicely; this is the only local panaeolus that has such a robust stipe, and a white cap that cracks into scales; also, no annulus. here’s another link to a photo and description:
47% (5)
Recognized by sight
Used references: P. antillarum is the most current name for this species according to Gerhardt 1996
P. solidipes is an outdated synonym.
55% (1)
Recognized by sight: This could be a large & sunbleached P. cinctulus, doubtful that its P. antillarum in a lawn.

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= Observer’s choice
= Current consensus


Add Comment
P. antillatrum is the proper name
By: Alan Rockefeller (Alan Rockefeller)
2008-09-30 21:11:44 CEST (+0200)

Panaeolus solidipes (Peck) Sacc is an outdated synonym of Panaeolus antillarum (Fr.) Dennis according to Gerhardt 1996 page 28. Index Fungorum is out of date with regards to everything in Gerhardt 1996, perhaps they don’t read German. No matter what you call it, a watered lawn is an unusual habitat for this species.

Practically solid
By: Darvin DeShazer (darv)
2008-09-30 04:57:57 CEST (+0200)

The stem is almost solid. It has a small hole down the middle as seen in cross section. When cut longitudinally, the space is very difficult to detect and appears to be solid.

It was growing in a watered lawn. No dung present, but small animal droppings might have been washed into the soil in the past.

antillarum was formerly semiovatus, not solidipes…
By: Debbie Viess (amanitarita)
2008-09-29 23:29:41 CEST (+0200)

…and this ain’t semiovatus: cap not bell shaped, no fibrillose veil.
solidipes is still called solidipes, according to index fungorum.

slice it in half if you saved it, Darv…it should have a solid stipe, or it’s not solidipes either, and it’s back to the ole ID drawing board…

Paneolus maybe (with those mottled gills), but subs? never.
By: Debbie Viess (amanitarita)
2008-09-29 03:51:32 CEST (+0200)

there is a nice photo and description of subbalteatus in Stamet’s “Psilocybin Mushrooms of the World,” and many images online.