Observation 172357: Amanita sect. Validae (Fr.) Singer
When: 2014-08-01
No herbarium specimen
0 Sequences

> A single specimen found in the Pinelands and presumably growing in mixed oak-pine woods.
> The convex cap is ~5 cm in diameter, with whitish patches of the universal veil. The margin was weakly and shortly striate.
> The narrow and slender stipe was in poor shape, but the annulus was still intact – it was a narrow band of flimsy tissue tightly pressed against / wrapped around the stipe. The bulb was small and very misshapen due to rotting & insect damage.
> The spore print was treated with 5% Lugol’s. A small aliquot was diluted with water. Excess reagent was destroyed by sunlight. The resultant spore suspension in the colorless medium was grayish baby-blue. This constitutes an amyloid reaction, which is consistent with the morphological assignment to sect. Validae
> Microscopy:
[20/1/1]; L x W = 7.4-9.3 (-10) x (4.9-) 5.1-6.0 (-6.5) um;
L’ x W’ = 8.5 × 5.5 um;
Q = (1.38-) 1.46-1.67 (-1.74); Q’ = 1.55

Proposed Names

57% (1)
Eye3 Eyes3
Recognized by sight
Based on microscopic features: Amyloid spores

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2014-08-03 18:49:46 CDT (-0400)
Last modified: 2014-08-03 18:50:16 CDT (-0400)
Viewed: 18 times, last viewed: 2017-06-18 14:41:36 CDT (-0400)
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