20-02-2026 18:47
Marc Detollenaere
Hello Forum,On rotten wood of Fagus, I found some
07-02-2023 22:28
Ethan CrensonHello friends, On Sunday, in the southern part of
19-02-2026 17:49
Salvador Emilio JoseHola buenas tardes!! Necesito ayuda para la ident
19-02-2026 13:50
Margot en Geert VullingsWe found this collection on deciduous wood on 7-2-
16-02-2026 21:25
Andreas Millinger
Good evening,failed to find an idea for this fungu
08-12-2025 17:37
Lothar Krieglsteiner
20.6.25, on branch of Abies infected and thickened
17-02-2026 17:26
Nicolas Suberbielle
Bonjour à tous, Je recherche cette publication :
cf. Chalara fraxinea
Pavol Palo,
23-02-2021 20:18
may I ask you for help ? I would need some idea or opinion.
Found on dead wood Fraxinus excelsior. I don't know how the amorphous stage of Hymenoscyphus fraxineus (Chalara fraxinea) actually looks macroscopic. The fruiting body is fragile, and contains structures that are pictured. Found both in January but also in September
Regards
Pavol
Viktorie Halasu,
23-02-2021 20:30
Re : cf. Chalara fraxinea
Hi Palo,
have you tried (macro) reaction of the stroma(?) in KOH? To me it looks a bit like a germinating Hypoxylon.
Tori
have you tried (macro) reaction of the stroma(?) in KOH? To me it looks a bit like a germinating Hypoxylon.
Tori
Pavol Palo,
24-02-2021 18:59
Re : cf. Chalara fraxinea
Hi Tori,
Slightly yellow color reaction of "stroma" with 10% KOH. But I've also never not seen spore chaining with Hypoxylon sp. It looks more like chlamydiospores that produce conidia
regards
Pavol
Slightly yellow color reaction of "stroma" with 10% KOH. But I've also never not seen spore chaining with Hypoxylon sp. It looks more like chlamydiospores that produce conidia
regards
Pavol
Thorben Hülsewig,
24-02-2021 22:54
Re : cf. Chalara fraxinea
Hi Palo,
compare with Xylohypha nigrescens.
best regards,
Thorben
compare with Xylohypha nigrescens.
best regards,
Thorben
Pavol Palo,
24-02-2021 23:55
Re : cf. Chalara fraxinea
Hi Thorben,
Thank you, it looks like that's it
Sincerely
Pavol
Thank you, it looks like that's it
Sincerely
Pavol