
05-07-2025 12:38
Åge OterhalsI found this pyrenomycetous fungi in pine forest o

02-07-2025 18:45
Elisabeth StöckliBonsoir,Sur feuilles d'Osmunda regalis (Saulaie),

04-07-2025 20:12
Hello.A fungus growing on the surface of a trunk o

20-06-2025 08:33
Hello.Small, blackish, mucronated surface grains s

28-06-2025 16:00
Hello.A tiny fungus shaped like globose black grai

04-07-2025 12:43
me mandan el material seco de Galicia (España)
Helotiales on Betula leaf
Juuso Äikäs,
03-11-2024 07:27
Asci 8-spored, IKI+(b). The asci have prominent basal protuberances, but seem to lack proper croziers.
There were some cylindrical cells without contents that might be paraphyses or marginal cells.
The excipulum seems to be of textura porrecta.
Spores:
9.6 - 11.89 (11.9) × (2.5) 2.53 - 3.28 (3.3) µm
Q = 3 - 4.1 ; N = 5
Me = 10.2 × 2.8 µm ; Qe = 3.6
Hans-Otto Baral,
03-11-2024 07:50

Re : Helotiales on Betula leaf
I imagined Hyaloscypha fuscostipitata but that has definitely smaller spores and particularly strongly tapering hairs, also a dark base. And you are right: the ascus protuberance does not fuse. What seems to be paraphyses is not clearly alive, are you sure that the fungus has no VBs?
Juuso Äikäs,
03-11-2024 08:38
Hans-Otto Baral,
03-11-2024 08:56

Re : Helotiales on Betula leaf
There are globose bodies with that colour which could point to multiguttulate VBs, but not sure.