08-11-2025 00:29
Francois Guay
I found this species in Quebec, Canada, on herbace
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
Any help on this one is welcome!
Host:
Most likely Polyporus sp.
Description:
Perithecia scattered, seated in a whitish Subiculum, brownish, no KOH reaction, slightly pyriform or nearly globose, about 0.2-0.3 x 0.3-0.35 mm (b x h). Anamorph between Perithecia.
Asci IKI negative, about 80-100 x 4-5 µm. Spores two-celled, without appendages, hyaline, verrucose, mostly with a narrower and a broader cell, 10-13 (-15) x 3-4 µm.
Anamorph ?Gliocladium?, with one-celled, hyaline, ellipsoid conidia 3-5.5 x 2-2.5(-3).
Many thanks,
Stefan
