Observation 182698: Amanita onusta (Howe) Sacc.
When: 2014-10-12
No herbarium specimen

Notes: Stipe base buried in the soil. I looked for remnants of a volval sac but found none.

Proposed Names

-29% (1)
Recognized by sight
29% (1)
Eye3
Recognized by sight
ret
54% (1)
Eyes3
Recognized by sight: …after discussion. :)

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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It seems that the rings of volval remnants and associated recurved scales…
By: R. E. Tulloss (ret)
2014-10-14 08:53:16 CDT (-0400)

do not descend the bulb as much as would usually be expected with atkinsoniana. Hence, I would go for onusta also.

Very best,

Rod

That would explain…
By: Dave W (Dave W)
2014-10-14 00:09:18 CDT (-0400)

the apparent lack of a volval sac. I have found onusta in this location. I think the lack of a prominent basal bulb leads away from atkinsoniana. Although the stipe broke as I tried to harvest the mushroom, not much material was left in the ground. I excavated what seemed to be all of the material from the stipe base. But a tapered root like what is expected with onusta may have been left behind.

The gills are quite shallow.

I managed to squeeze a few spores out of a gill. They looked damaged. Basically elliptical.

I’m inclined to think that this is something closer to…
By: R. E. Tulloss (ret)
2014-10-13 23:48:08 CDT (-0400)

Amanita onusta or A. atkinsoniana.

Very best,

Rod

Created: 2014-10-13 23:30:49 CDT (-0400)
Last modified: 2014-10-14 08:54:18 CDT (-0400)
Viewed: 63 times, last viewed: 2017-06-19 02:20:43 CDT (-0400)
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