Observation 142495: Amanita sect. Vaginatae sensu Zhu L. Yang
When: 2013-08-12
No herbarium specimen

Notes: Found under Red Oak Growing in pairs
Cap 8 cm striated tan brown. The brown becoming more pronounced in color toward the center. Center of cap has an umble
Gills close unattached to stem white
Stem 15 cm 1 cm thick white lacking a ring or annulus, with minute like particles That are easily detached giving the stem a roughened appearance.
Base of stem is sac like forming a volva sack
spore print white
spores broadly elliptical

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Yes, Eddee.
By: R. E. Tulloss (ret)
2013-08-13 09:41:01 CDT (-0400)

I got the spore print that you sent, and I am sorry for being late to thank you for it.

Very best,


Hi Rod
By: Eddee (eddeeee)
2013-08-13 00:23:37 CDT (-0400)

These have been popping up under the Red Oaks for about three weeks now, off and on usually in pairs. One is small and one is larger They are usually about a foot apart. This is the 4th pair in as many weeks. Unfortunately, it seems to be fine dining for a host of insects. I was barley able to get a spore print off this specimen but I managed evict the residence and get a slight wisp of a spore print. I have the cap although a bit damaged from the feasters. It has not been quick dried but just air dried, I notice another pair just starting today and it is suppose to rain so hopefully, I can get a fresher specimen. If not I’ll send the cap I have. Ok thanks for the info did you get the spore print I sent you? Thanks again Eddee

Folks have been posting a mushroom like this on MO in the last couple of weeks.
By: R. E. Tulloss (ret)
2013-08-12 23:49:57 CDT (-0400)

A dull brownish gray center of the cap, a rather broad pallid cap margin, and in sect. Vaginatae. I think this might be the first posting with an image of the spores of this species. It is not at all common for taxa in our part of the world in sect. Vaginatae to have ellipsoid spores as are shown in the last image of this observation.

I would very much like to see dried material of this species if people continue to find it and have the time and inclination to dry specimens.

Very best,


Created: 2013-08-12 22:33:52 CDT (-0400)
Last modified: 2013-08-12 23:45:13 CDT (-0400)
Viewed: 18 times, last viewed: 2016-10-22 14:03:43 CDT (-0400)
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