Observation 22477: Amanita franchetii (Boud.) Fayod
When: 2007-08-23
Herbarium specimen reported

Notes:

[admin – Sat Aug 14 01:59:44 +0000 2010]: Changed location name from ‘Craula, Hainich, Thüringen, Deutschland’ to ‘Craula, Hainich, Thüringen, Germany’

Images

48011
48012
48105
Another collection from Stuttgart, Baden-Württemberg, Deutschland, foto taken by a friend

Proposed Names

83% (1)
Eye3
Recognized by sight
Based on microscopic features
83% (1)
Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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what a striking shot of the underside of the annulus!
By: Debbie Viess (amanitarita)
2009-06-24 19:44:41 EDT (-0400)

thanks for sharing.

exactly! the European franchetii is usually quite a bit more gray than our version…
By: Debbie Viess (amanitarita)
2009-06-24 12:14:44 EDT (-0400)

which is why I commented on these photographs of mushrooms that bore a far closer resemblence to “ours”, superficial tho it might be. You can see why somebody would want to just throw our version into the European franchetii pile.

Similar, but a bit more grayish, perhaps?
By: Dimitar Bojantchev (dimitar)
2009-06-24 11:16:13 EDT (-0400)

Nice photo! They are quite similar indeed, but the European
collections seems to have a more grayish component. This photo here,
plus the Neville & Poumarat tend to show that. Galli’s profusely
illustrated collections look more like the California material. I hope
to collect some in a month or so from Europe and illustrate them too
— once I see a few collections in the field I will form an
opinion.

D.

indeed
By: Andreas Gminder (mollisia)
2009-06-24 01:58:32 EDT (-0400)

they look very alike, but that is logical, otherwise there wouldn’t be a misapplication of the name. I have the feeling that the warts in the european franchetii are more pointed and pyramidic, and that the consistence of those warts is tougher. Your amercian franchetii seems to have fluffier veil remnants, a bit more like A. rubescens (or amerirubescens ;-) ) in consistancy but more pointed than this one.
The girdle of warts at the stem base is more prominent than in A. rubescens and A. spissa (the two closely related species in Europe), may be due to the more robust consistancy.
I don’t know whether there are also microscopical differences. I assume there are, because otherwise I wouldn’t speak of two species but better of subspecies may be.

this actually looks quite a bit like our Californian material, Andreas…
By: Debbie Viess (amanitarita)
2009-06-23 19:40:46 EDT (-0400)

but Rod assures me that it is not the same species as “our” franchetii.

Created: 2009-06-23 15:59:41 EDT (-0400)
Last modified: 2011-11-06 08:49:35 EST (-0500)
Viewed: 132 times, last viewed: 2016-10-28 09:39:18 EDT (-0400)
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