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30-12-2022 19:24

Robin Isaksson Robin Isaksson

Hi Need help with this one found on betula. Swede

29-12-2022 12:49

Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos.Subo unas fotos de un Saccobolus que

28-12-2022 20:50

Przemyslaw Drzewiecki

Hello, AllAugust 7, 2020. Bydgoszcz area, Poland.

27-12-2022 19:05

Patrice TANCHAUD

Bonjour, récolte réalisée au sol sur un chemin

25-12-2022 15:04

Pascal PEUCH

Bonjour (et bonnes fêtes) J'étais parti confian

27-12-2022 09:05

Francisco  SÃNCHEZ Francisco SÁNCHEZ

Buenos días. Estos pirenomicetos (?) de 1-3 mm, c

27-12-2022 09:28

Angel Pintos Angel Pintos

Hello,has anybody this article?A new Psammina spec

26-12-2022 20:44

Maren Kamke Maren Kamke

Good evening and Merry Christmas to you all, I fo

25-12-2022 17:23

Blasco Rafael Blasco Rafael

Hola, Feliz navidad para todos.Podrian decirme cua

23-12-2022 17:54

Thorben Hülsewig

Hi there,i found last month this asco on Solidago

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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,