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29-06-2016 15:18

Per Vetlesen

HiIt was found on the bark of a dead branch of Jun

07-01-2018 22:47

Per Vetlesen

Grown in moist chamber on bark/resin of fallen Pin

06-04-2026 15:04

David Chapados David Chapados

Hi! Could someone help me identifying this specim

06-04-2026 21:36

Viktorie Halasu Viktorie Halasu

Hello, could anyone please send me the article wi

06-04-2026 19:40

David Gibbs David Gibbs

Help with this one much appreciated, on rotting Fa

06-04-2026 11:07

Louis DENY

Bonjour forum, Trouvé sur bois de feuillu très d

06-04-2026 16:24

Juuso Äikäs

Last Tuesday I found some tiny white Helotiales gr

05-04-2026 13:33

Sylvie Le Goff

Bonjour à tousPuis avoir votre avis sur ce champi

05-04-2026 20:40

Robin Isaksson Robin Isaksson

Hi!Found i Japan on bark of Abies sp. Spores 35-4

06-04-2026 08:15

Lothar Krieglsteiner Lothar Krieglsteiner

some days ago, on the lower surface of leaf of Que

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Pyréno sur branche morte de chêne
Bernard CLESSE, 17-03-2026 19:41
Bernard CLESSEBonsoir à toutes et tous,

Pourriez-vous m'aider à mettre un nom sur ce pyréno sur branche morte de chêne ?

Grand merci d'avance !

Bernard
  • message #84836
  • message #84836
  • message #84836
  • message #84836
  • message #84836
  • message #84836
Mathias Hass, 19-03-2026 12:58
Mathias Hass
Re : Pyréno sur branche morte de chêne
Hi

Are the spores (or at least some of them) septate? Reminds me of Chaetosphaeria myriocarpa.

Cheers Mathias
Bernard CLESSE, 19-03-2026 13:10
Bernard CLESSE
Re : Pyréno sur branche morte de chêne
Hi Mathias,

I didn't see any septa, but I'll double-check. It's true that in some of my photos, they seem to be visible!
I'm doing a new preparation.

Best regards,

Bernard
Bernard CLESSE, 19-03-2026 14:07
Bernard CLESSE
Re : Pyréno sur branche morte de chêne
You guessed right, Mathias ! Indeed, I just checked and there is indeed a septum in the spore ! So your idea was correct !

Thank you very much !

Best regards,

Bernard
  • message #84854
  • message #84854