21-11-2025 10:56
Christopher Engelhardt
Very small (~0,5 mm) white ascos, found yesterday
21-11-2025 11:52
Jean-Luc RangerBonjour à tous, on voit toujours 2 espèces areni
14-11-2025 16:26
Marian Jagers
Hello everyone, On dead wood of Cytisus scoparius
17-11-2025 21:46
Philippe PELLICIERBonjour,Récolté sur bois pourrissant de feuillu
20-11-2025 14:14
Mick PeerdemanFound on the leaves of 'Juglans regia' in the Neth
20-11-2025 13:07
Mick PeerdemanIn January i found these black markings on the dea
Pyrenos on Betula leaf
Juuso Äikäs,
15-06-2022 17:31
The spores have a septum and long appendages and measure 13 - 15 × 1.9 - 2.2 µm (without appendages). Asci 26.4 - 29.7 × 7.5 - 8.4 µm, IKI negative.
The best candidate I've found is Ophiognomonia ischnostyla, but I'd appreciate a second opinion.
Enrique Rubio,
15-06-2022 17:38
Re : Pyrenos on Betula leaf
Hi Juuso
I think the same as you.
I think the same as you.
Juuso Äikäs,
15-06-2022 18:24
Re : Pyrenos on Betula leaf
Thanks for the conformation!