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02-08-2025 12:35

éric ROMERO éric ROMERO

Bonjour tous, J'ai trouvé sur pétiole de Fraxin

02-08-2025 17:21

Andgelo Mombert Andgelo Mombert

Bonjour,Je recherche la description et la planche

30-07-2025 20:52

Bohan Jia

Hi together,  I've been looking posts in AscoFra

30-07-2025 10:12

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous m'aider à

31-07-2025 16:32

Andreas Gminder Andreas Gminder

Dear collegues,today I found on a very fresh fire

30-07-2025 18:06

Stefan Jakobsson

On a decorticated twig of Alnus incana on moist so

29-07-2025 18:59

Castillo Joseba Castillo Joseba

Me mandan el  material seco de Galicia, España,

28-07-2025 12:34

Enrique Rubio Enrique Rubio

Hi to everybody.I would appreciate any ideas about

28-07-2025 04:59

Richard Droker

Growing on resin (over moss on Tsuga heterophyll)l

13-06-2025 09:41

Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

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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.