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05-07-2025 12:38

Åge Oterhals

I found this pyrenomycetous fungi in pine forest o

01-06-2025 09:37

Charles Aron Charles Aron

Hi All, I found this Octospora growing with liver

04-07-2025 20:12

Josep Torres Josep Torres

Hello.A fungus growing on the surface of a trunk o

20-06-2025 08:33

Josep Torres Josep Torres

Hello.Small, blackish, mucronated surface grains s

28-06-2025 16:00

Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

04-07-2025 12:43

Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) 

03-07-2025 18:40

Castillo Joseba Castillo Joseba

me mandas el material seco de Galicia (España) re

03-07-2025 20:08

Francois Guay Francois Guay

I found this interesting yellowish asco growing on

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

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Pyrenula-like fungus
Paul Cannon, 08-06-2016 19:15
I've been going through another interesting batch of specimens from Cornwall and come across this - http://fungi.myspecies.info/all-fungi/pyrenula-sp-p2285. It's not lichenized and occurs on dead (I think) stems of Rubus, but the asci and ascospores are so distinctive I can't think of where else to place it. I haven't seen material of Pyrenula coryli which is also supposed to be non-lichenized, but that has 3-septate ascospores rather than the 1-septate ones in this collection, and obviously the substrate is different. It doesn't seem to fit with Acrocordiella which was once considered close to Pyrenula, but is known now to be rather distantly related.
I'm often wrong (sometimes very wrong!) and would much appreciate it if someone has seen this before and can give it a better name.

Best wishes
Paul
  • message #43198
  • message #43198
  • message #43198
  • message #43198