Observation 279180: Amanita flavoconia group
When: 2017-06-17
No herbarium specimen

Proposed Names

17% (2)
Eye3
Recognized by sight
23% (1)
Recognized by sight: Yellow cap not striated, slightly swollen non-sac-like base with adhering yellow volval remnants
29% (2)
Recognized by sight: thin white stipe
Based on microscopic features: To separate flavoconia from elongata it is sometimes necessary to determine L/W ratio for spores.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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The species name “elongata”…
By: Dave W (Dave W)
2017-06-20 05:52:04 AEST (+1000)

refers to the spore morphology, L/W quotient larger than for flavoconia. I think “flavoconia group” covers this observation. Even without considering elonagta, “flavoconia” seems to entail variable appearance. Robust forms that show more yellow can be confused with A. flavorubens.

Hey Dave.
By: Derek Ziomber (Space Time Matters)
2017-06-20 05:36:32 AEST (+1000)

The description on amanitaceae.org also says that A. elongata only occasionally has a cap with orangish center and only rarely a white annulus. But the stem is quite white which, until now, I was unaware was unusual for A. flavoconia.

I don’t know that this mushroom really fits either species without the microscopic examination you mentioned.

Created: 2017-06-19 12:40:18 AEST (+1000)
Last modified: 2017-06-20 05:27:43 AEST (+1000)
Viewed: 56 times, last viewed: 2017-06-21 10:13:34 AEST (+1000)
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