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Grey Pyrenopeziza/Mollisia on Quercus
Marc Detollenaere,
09-04-2023 15:41
Dear 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
Hans-Otto Baral,
09-04-2023 19:35
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
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?
I added some extra pictures of the asci and the paraphyse.
Mollisia olivascens?
Hans-Otto Baral,
09-04-2023 21:56
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.