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04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

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

04-11-2025 09:07

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Hello.A suspected Hymenoscyphus sprouting on a thi

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Edvin Johannesen Edvin Johannesen

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

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David Chapados David Chapados

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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

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Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

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31-10-2025 09:19

Lothar Krieglsteiner Lothar Krieglsteiner

Can somebody provide me with a file of:Rogerson CT

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Didymosphaeria?
Garcia Susana, 13-01-2014 23:55
Hi all

I found this Pyrenomycete growing on hardwood, probably Salix.
Perithecia have a size of approximately 0.5mm.
Asci of 120-140 x 13-15um
Spores of average size: 26x13um. When mature they are dark brown.


Do not know what species it is. May belong to the genus Didymosphaeria?
Can someone help your determination?
Thanks in advance.


Susana

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Alain GARDIENNET, 14-01-2014 17:30
Alain GARDIENNET
Re : Didymosphaeria?

Hi Susanna,


Ascospores are incredible, what a nice fungus ! I don't know it, unfortunately.


I hope for you that it will be recognized.


Alain

Garcia Susana, 14-01-2014 19:37
Re : Didymosphaeria?
Thanks Alain

I keep waiting that someone identifies the species.
At least someone confirm or not genre, because I doubt that the species is Didymosphaeria.

regards


Susana

Jaklitsch Walter, 14-01-2014 22:46
Re : Didymosphaeria?
Hi,
this is usually referred to as Dothidotthia ramulicola. I found it frequently in the nineties. The ascospores often remain hyaline for a long time under unfavourable conditions.
Cheers,
Walter
Alain GARDIENNET, 14-01-2014 23:10
Alain GARDIENNET
Re : Didymosphaeria?
Too easy for Walter !
Garcia Susana, 15-01-2014 08:14
Re : Didymosphaeria?
Thanks Walter
Regards.

Susana