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02-05-2025 10:16

Bernard CLESSE Bernard CLESSE

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

12-05-2025 18:52

Gonzalez Garcia Marta

Buenas tardes, estoy estudiando un hongo peritecio

12-05-2025 18:25

Thomas Flammer

Substrate rabbitSpores: 12-13 µm x 6-7 µmParaph

10-05-2025 18:47

David Chapados David Chapados

Hi, Does anyone have an idea of what this could b

11-05-2025 17:57

Louis DENY

Hello forumTrouvé dans les environs de Belfort,al

08-05-2025 20:50

Andreas Jacob

Good evening, due to contstant drought I started

11-05-2025 10:22

Karl Soler Kinnerbäck

Found on moist Betula wood dipped in freshwater st

11-05-2025 10:35

ruiz Jose

Hola, en excremento de jabali, tamaño de unos 2 m

05-05-2025 10:09

Nicolas Suberbielle Nicolas Suberbielle

Re-bonjour,Cet ascomycète trouvé et étudié par

09-05-2025 16:01

Thomas Flammer

I found a black cushon which might eventually be 

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Small-spored O. flavidobrunneola
Viktorie Halasu, 14-04-2025 23:19
Viktorie HalasuHello, 

I've microscoped exsiccate of an Otidea which looks a lot like O. flavidobrunneola, but the spores are too small. Everything else is OK - macro appearance of the exsiccate, paraphyses shape, spore shape, ectal excipulum structure, KOH and MLZ reactions. I have studied six other collections of flavidobrunneola with only a small difference in spore size, but this one is distinctly different. I measured sporeprint deposited on hymenium surface, so the apothecia should have been mature (although this species notoriously matures tardily). 

What do you think - is it flavidobrunneola or not? Czechia, collected in July, 370 m a.s.l., on edge of a path under broadleaved trees (Tilia, Fraxinus), bedrock is paragneiss. 

Thank you for your opinions. 
Viktorie
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