08-11-2025 00:29
Francois Guay
I found this species in Quebec, Canada, on herbace
04-11-2025 09:07
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
Perithecia globose, up to 250 mk in diameter, with wide pore, surrounded by some short bristles, lower part with abundant brown hyphae descending to leaf surface.
Excipulum from angular brown cells 6 mk; seta short, obtuse, segmented, brown, up to 55 mk long, 4 mk broad at base; descending hyphae brown, 4-5 mk broad; asci fissitunicate, about 6-8 mk broad, cylindrical and up to 150 mk long when expanded; paraphysoid elements abundant, segmented, anastomozing, 1.5 mk broad; spores ellipsoid, 2-celled, yellow to light brown, ornamented by warts, 12 (10.1-13.3) x 5.5 (4.8-6) mk (n=21).
Hi Nina,
Perhaps you can look towards Venturiaceae ? It's just an idea.
Alain



