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15-07-2025 13:27

Angel Pintos Angel Pintos

Hello, does anyone have access to the following ar

14-07-2025 11:20

Michel Hairaud Michel Hairaud

Bonjour, Voici une espèce de  (?) Hyaloscyphace

16-01-2023 21:31

Riet van Oosten Riet van Oosten

Hello, Nearby the find of Calycina claroflava on

14-07-2025 17:55

Yanick BOULANGER

BonjourAutre dossier laissé en suspendJe viens de

14-07-2025 11:17

Yanick BOULANGER

BonjourJ'ai un dossier Jackrogersella qui est rest

14-07-2025 15:52

Gernot Friebes

Hi,I wanted to share this collection on Rubus idae

14-07-2025 13:37

Gernot Friebes

Hi,do you think this collection could be R. ulmari

25-02-2023 18:36

Elisabeth Stöckli

Bonsoir, Trouvé sur un tronc de Salix recouvert

12-07-2025 16:45

Thierry Blondelle Thierry Blondelle

Bonjour à tous,J'avais d'abord pensé à des stro

05-07-2025 12:38

Åge Oterhals

I found this pyrenomycetous fungi in pine forest o

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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,