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06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

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Rutstroemia 5713
Leandro Sánchez, 12-06-2017 16:52
Leandro SánchezSur Betula, diamètre max 6 mm
Rutstroemia firma ??
Cordialement
  • message #49254
  • message #49254
Hans-Otto Baral, 12-06-2017 18:27
Hans-Otto Baral
Re : Rutstroemia 5713
Hi Leandro
could be R. alnobetulae. Did you find it at higher altitude?

Important is to look for the ectal excipulum wheather it is gelatinised. Perhaps you have got razor blades?
Zotto

Leandro Sánchez, 12-06-2017 18:38
Leandro Sánchez
Re : Rutstroemia 5713
Hi Zotto:
This species is from Somiedo, you had in your hands. I don't have material, many days without fridge, but I didn't see excipulum gelatinised
Regards
Enrique Rubio, 12-06-2017 18:47
Enrique Rubio
Re : Rutstroemia 5713
Hola Leandro
Lo mejor será que la deseques y si puedes envíamela para estudiarla mejor de lo que lo hicimos en Somiedo.
Leandro Sánchez, 12-06-2017 18:53
Leandro Sánchez
Re : Rutstroemia 5713
Hola Enrique:
Muchos días fuera de casa y aún estando en la nevera portátil el material estaba levemente contaminado y opté por no guardar
Saludos
Hans-Otto Baral, 12-06-2017 19:16
Hans-Otto Baral
Re : Rutstroemia 5713
So it is a pity, I did not have time to study this sample, but from the altitude this is quite probably alnobetulae.