Observation 51109: Amanita pseudovolvata Tulloss nom. prov.

When: 2010-08-21

Collection location: Oneida Co., New York, USA [Click for map]

Who: Eric Smith (esmith)

No specimen available



Proposed Names

28% (1)
Recognized by sight
55% (1)
Recognized by sight

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Eye3 = Observer’s choice
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In the northeastern states
By: R. E. Tulloss (ret)
2010-08-23 01:56:42 CEST (+0200)

Amanita pseudovolvata is probably the most common species of sect. Amidella in the northeastern US states. At least one probable symbiont is oak. The species will occur in the coastal plain and at higher elevations. Individual fruiting bodies can be quite small; so people probably miss it…especially in the button or partially expanded stages.

One of the two other species of sect. Amidella that come in (less frequently) from the NE US are A. volvata, which (if you are lucky) will have a significant mass of floccose material on the top of the stem (at least in young material) and develops striations on the cap margin much more slowly and less pronouncedly (a word?) than does A. pseudovolvata.

The third species is A. whetstoneae. If its volval sac is not lost, you will have much less trouble identifying this species. It’s volval sac is quite long and bag-like. It gives the same impression as when one buys a single cut sunflower and carries it home in a large bag that is still too small for the large flower. I hope that that is graphic enough.

Very best,


Thanks Rod and Debbie
By: Eric Smith (esmith)
2010-08-23 01:06:49 CEST (+0200)

I don’t think I’ve found anything in this section before. Exciting!

Deb’s got the section, I think.
By: R. E. Tulloss (ret)
2010-08-22 23:55:01 CEST (+0200)

This is a hard group to do from pictures. I’m proposing A. pseudovolvata.


Sac like volva. No annulus noted.
By: Eric Smith (esmith)
2010-08-22 15:06:46 CEST (+0200)


Created: 2010-08-22 14:17:35 CEST (+0200)
Last modified: 2011-09-10 14:21:43 CEST (+0200)
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