Observation 102471: Amanita sect. Amidella

When: 2012-07-22

Collection location: Loyalsock Trail, Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

Specimen available

Growing in a sandy area along the Loyalsock Creek. This area may have been covered over with sand during the flooding rains of last year (2011). So this amanita may have pushed up into an unusual habitat, which may have caused some unusual features.

Stipe between 5 and 6 inches long, about 60% buried in sand. Small membranous volval sac encrusted in sand. Underneath the sand on the cap there appeared to be some brownish staining. So I wondered about it maybe being A. whetstonaea. But the volval sac is not elongated… perhaps on account of the habitat?

Spores amyloid, mainly 8-12 × 4.5-6… with a few slightly larger ones.

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Thank you, David.
By: R. E. Tulloss (ret)
2013-05-14 12:30:51 PDT (-0700)

Accessioned today. This might be A. dolichopus???

Very best,


Oh yeah…
By: Dave W (Dave W)
2012-07-22 21:22:15 PDT (-0700)

it’s currently hanging in the attic window. I’ll put it into the dehydrator tomorrow.

This one’s a trip.
By: R. E. Tulloss (ret)
2012-07-22 21:14:27 PDT (-0700)

You’re observations on the habitat are very enlightening. If the habitat provoked an extension of the stipe, then this could be A. pseudovolvata. I hope you dry this one.


Created: 2012-07-22 20:46:12 PDT (-0700)
Last modified: 2018-01-02 13:31:17 PST (-0800)
Viewed: 47 times, last viewed: 2018-01-02 13:59:33 PST (-0800)
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