Observation 138729: Amanita sect. Vaginatae sensu Zhu L. Yang

This one was collected during a steady drizzle which made the specimen very wet and difficult to photograph in situ(warning about fuzzy photos).
Did not take many notes on it but it was growing in mixed conifers @ ~ 4870 ft.
Extracted a few spores and stained them in Congo Red. Also observed some basidia which appeared to be mostly 2-spored.
Spores ~ (11.0)12.0-13.9 X (9.3)10.2 X 11.4 microns, subglobose to broadly ellipsoid.
The one basidia I measured was clavate and 75 X 20 microns(see photo).
The wet conditions make it difficult to assess, but the basal volva does look like it could be constricted and the spores are close in size to what is called Amanita constricta on the west coast.
I don’t recall finding Vaginate Amanitas in the mountains but I guess it’s not totally uncommon.

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Created: 2013-07-05 21:36:00 CDT (-0400)
Last modified: 2013-07-05 21:36:08 CDT (-0400)
Viewed: 25 times, last viewed: 2017-06-16 06:16:50 CDT (-0400)
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