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30-06-2025 06:57

Ethan Crenson

Hi all, Another find by a friend yesterday in Bro

30-06-2025 12:09

Edvin Johannesen Edvin Johannesen

This tiny, rather "rough" erumpent asco was found

30-06-2025 19:05

ALAIN BOUVIER

Bonjour à toutes et à tousJe cherche à lire l'a

30-06-2025 14:45

Götz Palfner Götz Palfner

This is a quite common species on Nothofagus wood

30-06-2025 16:56

Lydia Koelmans

Please can anyone tell me the species name of the

25-06-2025 16:56

Philippe PELLICIER

Bonjour, pensez-vous que S. ceijpii soit le nom co

29-06-2025 18:11

Ethan Crenson

Hello all, A friend found this disco yesterday in

28-06-2025 17:10

Peter Welt Peter Welt

I'm looking for: RANALLI, M.E., GAMUNDÍ, I.J. 19

28-06-2025 16:00

Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

27-06-2025 14:09

Åge Oterhals

I found this pyrenomycetous fungi in mountain area

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Orbilia "trechispora"?
Przemyslaw Drzewiecki, 01-12-2022 23:50
30.11.2022; Mochle near Bydgoszcz, Poland. Old horse pasture fence post. (Pinus sylvestris). Not so many.
I thought it was Orbilia xanthostigma, but the appearance of the ascospores did not fit this kind of completely. I therefore ask for aid in determining the species of the fine.
Best regards: Przemek
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Przemyslaw Drzewiecki, 02-12-2022 00:05
Re : Orbilia "trechispora"?
Cont.
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Hans-Otto Baral, 02-12-2022 09:47
Hans-Otto Baral
Re : Orbilia "trechispora"?
This is O. xanthostigma anyway. The curvature of the spores may sometimes be only slight, but we rarely saw such cases. Then the spore is especially thick.
Przemyslaw Drzewiecki, 02-12-2022 11:04
Re : Orbilia "trechispora"?
Thank you for clearing my doubts. I would say that here the curvature of the spores is rather exaggerated. :-) In the microscope slide, I saw conidia that do not match these Orbilia. Are they alien?

For those interested, I've attached last year's photo of typical O. xanthostigma ascospores.
Best regards: Przemek
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Hans-Otto Baral, 02-12-2022 11:59
Hans-Otto Baral
Re : Orbilia "trechispora"?
Yes, these are typical ascospores. The conidia might be orbiliaceous but not belonging to this species.
Przemyslaw Drzewiecki, 02-12-2022 12:22
Re : Orbilia "trechispora"?
Thank you again. It's great to get the opinion of a real expert. Greetings from Poland