Observation 209149: Amanita Pers. subgenus Amanita
When: 2014-09-28

Notes: > This one was brought in to NJMA’s Fungus Fest annual event at FF last year, but I am posting it just now.
> The collector/collection sight is unknown.
> This material could belong to sect. Vaginatae based on the structure of the lower end of the stipe.
> This collection is preserved for RET.

Microscopy:
Spores inamyloid in Melzer’s;
[20/1/1]: L x W = (7.2-) 7.4-8.6 (-9.8) x 6.5-7.4 (-8.1) μm;
L x W = 8.2 × 7.0 μm;
Q = (1.07-) 1.09-1.25 (-1.32); subglobose (7 spores) to broadly ellipsoid (12) spores), rarely ellipsoid (1 spore);
Q = 1.17

Images

535879
Warts are whitish on the cap disk
535880
The cap margin is striate
535881
The stipe is exannulate
535882
Evidence for a saccate volva?
535883
Mounted in Melzer’s and viewed at x400; 1 div. = 1.2 μm
535885
Mounted in Melzer’s and viewed at x1000; 1 div. = 0.465 μm

Proposed Names

57% (1)
Eye3 Eyes3
Recognized by sight
Based on microscopic features: Inamyloid spores
28% (1)
Recognized by sight: Possible remnants of a saccate volva and exannulate stipe

Please login to propose your own names and vote on existing names.

Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Thanks Igor,
By: groundhog
2015-08-04 15:35:47 EDT (-0400)

This material has been received and accessioned to Rod’s herbarium. We have scheduled it for DNA sequencing.
-Naomi

Created: 2015-07-07 16:30:52 EDT (-0400)
Last modified: 2015-07-07 16:39:46 EDT (-0400)
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