31-01-2026 09:17
Marc Detollenaere
Dear Forum,On decorticated wood of Castanea,I foun
31-01-2026 10:22
Michel Hairaud
Bonjour, Cette hypocreale parasite en nombre les
29-08-2025 05:16
Francois Guay
I think I may have found the teleomorph of Dendros
30-01-2026 21:20
Arnold BüschlenBryocentria brongniartii und B. metzgeriae mit ihr
21-01-2026 16:32
Gernot FriebesHi,I need your help with some black dots on a lich
07-12-2015 14:17
Zugna Marino
Buon giorno a tutti, ad un primo momento, non ess
29-01-2026 10:04
Jean-Paul Priou
Bonjour à tous, Marcel LECOMTE président de L'A
Phaeohelotium sp.
Yannick Mourgues,
15-12-2024 15:09

I would like your opinion on this Phaeohelotium found on decorticated wood of Betula.
Asci IKI+, croziers+
Spores 9,2-11 x 4-4,9 µm Q=2-2,3 N=30
Paraphyses filiformes
Textura globulosa
Thank's in advance.
Yannick
Hans-Otto Baral,
15-12-2024 21:06
Re : Phaeohelotium sp.
The apical ring does not look like Hymenoscyphus-type, but it should better be shown expanded in a dead ascus to show its shape.
Paraphyses are without VBs. The thin-walled excipulum of ellipsoid cells appears to exclude a Bisporella or Calycina.






