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04-07-2025 20:12

Josep Torres Josep Torres

Hello.A fungus growing on the surface of a trunk o

20-06-2025 08:33

Josep Torres Josep Torres

Hello.Small, blackish, mucronated surface grains s

28-06-2025 16:00

Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

04-07-2025 12:43

Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) 

03-07-2025 18:40

Castillo Joseba Castillo Joseba

me mandas el material seco de Galicia (España) re

03-07-2025 20:08

Francois Guay Francois Guay

I found this interesting yellowish asco growing on

01-07-2025 23:37

Josep Torres Josep Torres

Hello.A Pleosporal symbiotic organism located and

02-07-2025 17:26

Yanick BOULANGER

BonjourRécolté sur une brindille au fond d'un fo

02-07-2025 18:45

Elisabeth Stöckli

Bonsoir,Sur feuilles d'Osmunda regalis (Saulaie),

02-07-2025 09:32

Nicolas VAN VOOREN Nicolas VAN VOOREN

Hello, bonjour.Here is the paper I'm searching for

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Grey Pyrenopeziza/Mollisia on Quercus
Marc Detollenaere, 09-04-2023 15:41
Marc DetollenaereDear Forum,

Collected on hardwood, probably oak. Darkbrown subiculum present.Marginal hairs short and not encrusted.Ecx ext brown textura angularis. Long refractory VB's in paraphyses. KOH neg.IKI bb. Spores 11.4x2.8µ, some free spores 1-septate.
Does anyone knows this species?Thanks

Marc
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Hans-Otto Baral, 09-04-2023 19:35
Hans-Otto Baral
Re : Grey Pyrenopeziza/Mollisia on Quercus
This must be a Mollisia in bad shape. Depending on the apo size it could be M. olivascens or M. elegantior. You saw any asci and paraphyses?
Marc Detollenaere, 09-04-2023 20:41
Marc Detollenaere
Re : Grey Pyrenopeziza/Mollisia on Quercus
Thank you for your reply.The largest apo measured 0.7mm.
I added some extra pictures of the asci and the paraphyse.
Mollisia olivascens?
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Hans-Otto Baral, 09-04-2023 21:56
Hans-Otto Baral
Re : Grey Pyrenopeziza/Mollisia on Quercus
M. olivascens is much larger, maybe 2-3 mm. So this is a Mollisia I cannot further identify.

The VBs are nicely seen. The apical rin seems to react reddish? - which would be unusual.