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28-06-2025 16:00

Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

01-07-2025 23:37

Josep Torres Josep Torres

Hello.A Pleosporal symbiotic organism located and

02-07-2025 17:26

Yanick BOULANGER

BonjourRécolté sur une brindille au fond d'un fo

03-07-2025 20:08

Francois Guay Francois Guay

I found this interesting yellowish asco growing on

03-07-2025 18:40

Castillo Joseba Castillo Joseba

me mandas el material seco de Galicia (España) re

02-07-2025 18:45

Elisabeth Stöckli

Bonsoir,Sur feuilles d'Osmunda regalis (Saulaie),

02-07-2025 09:32

Nicolas VAN VOOREN Nicolas VAN VOOREN

Hello, bonjour.Here is the paper I'm searching for

30-06-2025 16:56

Lydia Koelmans

Please can anyone tell me the species name of the

30-06-2025 12:09

Edvin Johannesen Edvin Johannesen

This tiny, rather "rough" erumpent asco was found

30-06-2025 06:57

Ethan Crenson

Hi all, Another find by a friend yesterday in Bro

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hymenoscyphus on betula
Robin Isaksson, 30-12-2022 19:24
Robin IsakssonHi

Need help with this one found on betula. Sweden


ascomata = around 0.5mm wide, white, become reddish when drying.


spores 22-26x 4,8-5.3 um


Asci IKI + blue, asci 8 spored


stipe is around 0.5 mm


Anyone knows it?


Best regards

  • message #74754
  • message #74754
  • message #74754
  • message #74754
  • message #74754
Hans-Otto Baral, 30-12-2022 22:25
Hans-Otto Baral
Re : hymenoscyphus on betula
This is Allophylaria macrospora. The asci should be simple-septate.
Robin Isaksson, 31-12-2022 10:23
Robin Isaksson
Re : hymenoscyphus on betula
Dear Baral,  

thank you, this one I should have ID as i see it from time to time.

best regards,