09-11-2025 13:20
Hello.A tiny ascomycete, appearing as erupting gra
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
Orbilia phragmotricha?
Khomenko Igor,
28-05-2021 07:54
Hi,I think it is a good match to Orbilia phragmotricha, but because there are no reports from North America and on this host I'm not certain.
Pictures: https://inaturalist.org/observations/80420096
Apothecia were on top of the bark of a broken branch of Gleditsia triacanthos (Honey Locust), on the ground.
It was dry when I found it. Paraphyses were dead, but spores were alive.
Apothecia were up to 1mm when dry.
Ascospores in H2O
(6.8) 7.3 - 7.9 (8.7) × (1) 1.2 - 1.5 (1.6) µm
Q = (4.5) 5.3 - 6.5 (7.3) ; N = 16
Me = 7.7 × 1.3 µm ; Qe = 5.9
