Notes:
Classic shrump, but under wood mulch and under the elevated Metro so it does not get regular rain fall. These occurred in the same location last year and it is the only place I have ever seen them. The mushroom was standing fully erect inside its self-made cavern. A wee bit moldy on top, but producing spores like mad.

Species Lists

Images

structural
gills!
Dried fruit bodies collected on 12/10/2011.
Dried fruit bodies collected on 12/10/2011.
volva?
bulb
recurved margin
Shrump
Mushroom revealed

Proposed Names

59% (2)
Recognized by sight
86% (1)
Used references: Agaricus of North American by Rick Kerrigan p. 119
57% (1)
Used references: DNA Sequence

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= Observer’s choice
= Current consensus

Comments

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Photos of dried specimens are added
By: Martin Livezey (MLivezey)
2011-12-10 12:25:35 AST (-0400)

Let me know what address I should use for the send.

Compare Agaricus pequinii
By: Rick Kerrigan (rwkerrigan)
2011-12-09 23:00:58 AST (-0400)

This looks most like Agaricus pequinii, a uncommon European species not previously documented from North America. It would be very interesting and useful to have specimens for study. — Rick

Yes, please.
By: Daniel B. Wheeler (Tuberale)
2011-10-17 14:58:46 AST (-0400)

Need as many more specimens as are still in good condition. This really looked like an Amanita for a long time to me. Gill coloration prevents that, along with the cape scales. Still … very unusual.

Thanks Daniel
By: Martin Livezey (MLivezey)
2011-10-17 09:29:33 AST (-0400)

for pointing out that the annulus is there, just near the base. As I mentioned, there was a full 1-1/2" clear space under the gills, but the dirt and mulch are always hard. There was a lot of pressure initially, so it seems to have gone through a ‘secotioid-like’ phase. Maybe I will dig up a young one and slice through it…,

Habitat may have affected its development.
By: Daniel B. Wheeler (Tuberale)
2011-10-16 21:02:56 AST (-0400)

But it’s the annulus that truly surprises me. So low on the stipe that I had to confirm the gills weren’t white.

Blow up the last photo, and there are reddish-scales on the cap.

Created: 2011-10-16 20:03:22 AST (-0400)
Last modified: 2017-01-15 20:54:59 AST (-0400)
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