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05-02-2026 15:07

Vasileios Kaounas Vasileios Kaounas

Found on a fallen needle of Pinus halepensis, diam

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Stefan Blaser

Hello everybody, Any help on this one would be mu

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When I first saw this white mould on an Agaricus s

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Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

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Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

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Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

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Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

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Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

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Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pour cette récolte de 2

01-02-2026 19:29

Nicolas Suberbielle Nicolas Suberbielle

Bonjour, Marie-Rose D'Angelo (Société Mycologiq

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Microthyrium sp. on Sorbus aucuparia bark
Peter Thompson, 17-04-2012 00:06
I found a small group of thyriothecia fruit bodies, (keying to the genus Microthyrium), growing on the bark of Sorbus aucuparia. The spores are 1-septate and hyaline, and appear not to have any cilia / hairs.  

There does not seem to be a species listed in Index Fungorum growing on this substrate.

Does anyone have any ideas?

Thank you,
Peter Thompson.
Chris Yeates, 17-04-2012 00:15
Chris Yeates
Re : Microthyrium sp. on Sorbus aucuparia bark
hello Peter

is it definitely a Microthyrium? there is an old record of a (undescribed?) Stomiopeltis species on Sorbus aucuparia from Yorkshire - see http://www.fieldmycology.net/FRDBI/FRDBIrecord.asp?strAssoc=Sorbus+aucuparia&strName=Stomiopeltis

some images might help if possible

best wishes

Chris