22-04-2026 20:17
Marian Jagers
Is anyone familiar with the Hyphomycetes genus Pse
22-04-2026 20:54
Hi to everybody.This Pyrenopeziza grew in moist le
22-04-2026 01:06
Bonjour à tous.Je vous présente cette Nectria s.
21-04-2026 13:36
Gernot FriebesHi,I am out of ideas for this one. I collected Sal
21-04-2026 13:19
Gernot FriebesHi,this Lophodermium on Typha has ascospores measu
21-04-2026 13:05
Gernot FriebesHi,this hyphomycete feels familiar but I was not a
Orbilia
Yannick Mourgues,
18-11-2019 00:03

Bonsoir.
A friend of mine has transmetted to me pictures of an Orbilia for ID. But with informations he has given to me, I don't know...
Data :
Ascus without croziers, apex rounded sometimes truncated. x8 spored.
Spores ovoides 3,7-4 x 1,5-2,1 um Q=1,8-2,5
Spores with a black point (guttule ?) at one end. The first four black points are directed to the base, the four to the apex.
Paraphyses capitate.
Any Idea ?
Hans-Otto Baral,
18-11-2019 08:53
Re : Orbilia
This looks much like the common O. tremulae. Earlier I would have said O. eucalypti, but O. tremulae differs in smaller spores not exceeding 4 x 2 µm, and often yellowish apothecia, together with a lack of drought-tolerance (growing on moist wood on the ground). Genetically it is very distant from O. eucalypti. Its anamorph also differs and matches morphologically Dicranidion inaequale.
Yannick Mourgues,
18-11-2019 09:21
Re : Orbilia
Thank's a lot Zotto.
Yannick


