03-02-2026 20:44
Zetti MarioWhen I first saw this white mould on an Agaricus s
18-08-2025 15:07
Lothar Krieglsteiner
.. 20.7.25, in subarctic habital. The liverwort i
02-02-2026 21:46
Margot en Geert VullingsOn a barkless poplar branch, we found hairy discs
02-02-2026 14:55
Andgelo Mombert
Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome
02-02-2026 14:33
Andgelo Mombert
Bonjour,Sur le thalle de Peltigera praetextata, ne
31-01-2026 10:22
Michel Hairaud
Bonjour, Cette hypocreale parasite en nombre les
02-02-2026 09:29
Bernard CLESSE
Bonjour à toutes et tous,Pour cette récolte de 2
01-02-2026 19:29
Nicolas Suberbielle
Bonjour, Marie-Rose D'Angelo (Société Mycologiq
31-01-2026 09:17
Marc Detollenaere
Dear Forum,On decorticated wood of Castanea,I foun
Orbilia on Betula bark
Enrique Rubio,
09-05-2025 19:10
This Orbilia (apos up to 0.5 mm), grew on bark of a Betula branch lying on the ground at 1800 m of altitude. Glassy processes are present. Asci 8-spored. Paraphyses ellipsoid-spathulate to lanceolate or mammiform. Spores without subbasal constriction.
I think it could belong to the series Abutilones. Perhaps it could be Orbilia rehmii or some similar species.
What do you think?
Andgelo Mombert,
09-05-2025 20:29
Re : Orbilia on Betula bark
Hello,
Orbilia phragmotricha ?
Orbilia phragmotricha ?
Hans-Otto Baral,
09-05-2025 20:38
Re : Orbilia on Betula bark
Yes, no doubt
Enrique Rubio,
09-05-2025 20:46
Re : Orbilia on Betula bark
Thank you both very much.
Enrique Rubio,
09-05-2025 20:56
Re : Orbilia on Betula bark
In fact it is a relatively common species at the mountain level in my country, on Salix branches still attached to the tree. I should have remembered it.




