20-12-2025 23:08
Patrice TANCHAUDBonsoir, récolte sur sol sablonneux dans l'arriÃ
21-12-2025 09:32
Hello.A tiny ascomycete found embedded in wood in
20-12-2025 15:47
Mirek GrycHi.These grew on pine wood that was heavily covere
18-12-2025 21:17
Pol DebaenstThe identification took me to Byssonectria deformi
15-12-2025 07:09
Danny Newman
indet. Rutstroemiaceae sp. on unk. fallen leavesMc
19-12-2025 10:10
Patrice TANCHAUDBonjour, récolte réalisée en milieu dunaire, a
18-12-2025 17:23
Bruno Coué
Bonjour,je serais heureux d'avoir votre avis sur c

Dear collegues,
Â
Tanja and me collected a Ciborinia species yesterday in the National Park hainich. It was by accident when turning logs for searching Corticiaceae. And it is only one fruitbody .....
I'm certain about the genus, but have no literature about it. Remarkable are the long spores, which are quite variable, but usually somewhat fusoid. Size is 13-16 x 5-6 µm. As far as I have seen they are completely empty.
Possible hosts are different decidous trees (Fagus, Carpinus, Acer, Fraxinus, Quercus) or the usual spring flowers in calcareous wet decidous forests: Allium ursinum, Ranunculus ficaria, Corydalis cava, ...
Has anyone an idea?
thank you and best regards,
Andreas
Hello,
Â
thanks to Marcel I have now some literature to that group. It seems very likely that it is Ciborinia whetzelii, occuring in leafes of  Aspen, which was also present there.
Anyone has found this species already?
Â
thank you, especially Marcel,
Andreas
Also compare with this find of Patrice:
http://www.mycocharentes.fr/pdf1/1310.pdf?PHPSESSID=b21ee9628b2c93cb953b2fc2606e3120
Cheers,
Raúl