20-12-2025 23:08
Patrice TANCHAUDBonsoir, récolte sur sol sablonneux dans l'arriÃ
20-12-2025 15:47
Mirek GrycHi.These grew on pine wood that was heavily covere
18-12-2025 21:17
Pol DebaenstThe identification took me to Byssonectria deformi
15-12-2025 07:09
Danny Newman
indet. Rutstroemiaceae sp. on unk. fallen leavesMc
19-12-2025 10:10
Patrice TANCHAUDBonjour, récolte réalisée en milieu dunaire, a
18-12-2025 17:23
Bruno Coué
Bonjour,je serais heureux d'avoir votre avis sur c
18-12-2025 18:07
Margot en Geert VullingsThese plumes were found on rotten wood.They strong
17-12-2025 18:35
Michel Hairaud
Bonjour à tous/Hi to everyone I am passing along
Strange tar spots on Betula
Steffen Lorenz,
27-07-2015 22:57
does anyone have an idea what species these black spots could be?
It is only a mass of conidia. When fresh, it was a convex structure, some flowed together. The texture was watery and stained the fingers. When dry it is a thin, powdery coating.
Conidia: 11,5-18 x 8,5-10 µm, elliptical greyish-brownish, nonseptate, thick-walled, multiguttulate, with conspicuous porus
Porus: 1,5-2 x 0,5-1 µm
Substrate: dead branches of Betula pendula lying on the ground
Best regards
Steffen
Gernot Friebes,
27-07-2015 23:08
Re : Strange tar spots on Betula
Hi Steffen,
I'd suggest Melanconis stilbostoma.
Best wishes,
Gernot
I'd suggest Melanconis stilbostoma.
Best wishes,
Gernot
Steffen Lorenz,
28-07-2015 00:00
Re : Strange tar spots on Betula
Hello Gernot,
comparing the description of Ellis & Ellis I am sure you are right. Thanks Gernot.
Regards
Steffen
comparing the description of Ellis & Ellis I am sure you are right. Thanks Gernot.
Regards
Steffen