04-11-2025 09:07
Josep Torres
Hello.A suspected Hymenoscyphus sprouting on a thi
04-11-2025 12:43
Edvin Johannesen
Hi! One more found on old Populus tremula log in O
03-11-2025 21:34
Edvin Johannesen
These tiny (0.4-0.5 mm diam.), whitish, short-stip
28-10-2025 15:37
Carl FarmerI'd be grateful for any suggestions for this strik
03-11-2025 16:30
Hans-Otto Baral
Hello I want to ask you if you have found this ye
Very small asci and spores
Edvin Johannesen,
02-10-2017 20:43
I am very short on sordariomycete literature and struggle with this one. Asci are very small - ca. 35 microns long, contain 8 small, broadly ellipsoid, bi-guttulate spores ca. 2x3 microns large. Any suggestions?
Jacques Fournier,
02-10-2017 22:09
Re : Very small asci and spores
Hi Edvin,
it might be a Camarops. If so, perithecia are immersed, you should make a vertical section including the underlying wood to see them.
Cheers,
Jacques
it might be a Camarops. If so, perithecia are immersed, you should make a vertical section including the underlying wood to see them.
Cheers,
Jacques
Edvin Johannesen,
03-10-2017 11:42
Re : Very small asci and spores
Hi Jacques,
The stromata are superficial on the wood and the perithecia are within the stromata, not in the wood. As you can see, each troma is only 1-2 mm in size. So everything is very small! Also the spores (2x3 my)
The stromata are superficial on the wood and the perithecia are within the stromata, not in the wood. As you can see, each troma is only 1-2 mm in size. So everything is very small! Also the spores (2x3 my)
Edvin Johannesen,
03-10-2017 21:51
Re : Very small asci and spores
I guss we are in Calosphaeriales somewhere.