Accès membres

Mot de passe perdu? S'inscrire

20-05-2026 17:47

Margot en Geert Vullings

We found this Mollisia on dead Juncus stems mown l

20-05-2026 21:49

Margot en Geert Vullings

We found this Lachnum on Juncus stems mown last ye

21-05-2026 17:01

Pierre Repellin

Bonjour à toutes et à tous,Je recherche l'articl

20-05-2026 20:08

Andreas Millinger Andreas Millinger

Good evening,another quite distinctive find from M

20-05-2026 12:57

Ingo Ibelshäuser Ingo Ibelshäuser

Hello everybody, on decayed hardwood e.g. Quercus

20-05-2026 18:15

Moreno Miriam

Hello! I am working on my master's thesis on the d

22-04-2026 20:54

Enrique Rubio Enrique Rubio

Hi to everybody.This Pyrenopeziza grew in moist le

17-05-2026 22:09

éric ROMERO éric ROMERO

Bonjour tous, Je sollicite vos avis pour ce Molli

19-05-2026 19:47

Andreas Millinger Andreas Millinger

Hello dear community,found this species the second

19-05-2026 12:55

Hardware Tony Hardware Tony

After checking Gminder and Otto's library I cannot

« < 1 2 3 4 5 > »
?Eutypella on Alnus
Juuso Äikäs, 20-11-2023 15:49
A couple days ago I found some black stromata growing on thin branches attached to a fallen Alnus tree. There appears to be some yellow pigment inside the stromata.

The asci are pedicellate and 8-spored, IKI negative. 

Spore measurements:

5.5 - 7.3 × 1.8 - 2.2 µm, Q = 2.6 - 4.2 ; Avg = 6.4 × 2.0 µm, Qav = 3.2 ; N = 10

I was thinking of Eutypella cerviculata, which I believe at least mostly grows on Alnus. However, these fruitbodies don't have the long necks as seen in many photos. Rather, they are just short stubs. Also, not sure about the yellow pigment.

Any idea what this is?
  • message #77415
  • message #77415
  • message #77415
  • message #77415
  • message #77415
  • message #77415
Viktorie Halasu, 20-11-2023 23:19
Viktorie Halasu
Re : ?Eutypella on Alnus
Hello,
perhaps Eutypa flavovirens? 
Viktorie 

Juuso Äikäs, 21-11-2023 16:20
Re : ?Eutypella on Alnus
Yes, this sounds like a good suggestion. The inside of the fruitbodies looked greenish yellow in situ ("flavovirens"). Thank you!