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12-03-2026 19:44

Enrique Rubio Enrique Rubio

Hi to everybody.Can you give me any suggestions ab

11-03-2026 17:36

Michel Hairaud Michel Hairaud

Bonjour, Je cherche des indices  pour cette réc

12-03-2026 15:45

Åge Oterhals

Dear forum,I found this small discomycete on a ver

05-03-2026 10:07

Hulda Caroline Holte

Hello, I found and collected this species growing

08-03-2026 14:05

Thierry Blondelle Thierry Blondelle

Bonjour à tous,Sur 3 récoltes supposées de H. l

12-03-2026 16:17

Sylvie Le Goff

Bonjour à tousRécolté dans le 22 en France (ré

12-03-2026 14:37

David Wasilewski

These small ascomycota (1-3 mm) ere observed growi

11-03-2026 16:48

Bruno Coué Bruno Coué

Bonjour, je serais heureux d'avoir votre avis sur

09-02-2026 22:01

ruiz Jose

Hola, me paso esta colección en madera de pino, t

11-03-2026 14:14

Gernot Friebes

Hi,I would like to share a collection of Scopinell

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Eutypa lata, Eutypa maura?
Riet van Oosten, 24-02-2018 19:51
Riet van OostenHello,

Found by a friend: february 2018.
On: dead branch of Sambucus nigra.
Asci: 8-spored.
Spore size: 5.4-6.6-7.2 x 1.4 µm (immature spores???)


Eutypa lata, Eutypa maura?


Kind regards,
Riet

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Jacques Fournier, 25-02-2018 10:58
Jacques Fournier
Re : Eutypa lata, Eutypa maura?
Hi Riet,
likely E. maura but this species is highly specific for Acer pseudoplatanus.
Just split the branch longitudinally across the stroma and if you see deeply immersed perithecia under a thick black superficial layer and surrounded by black extensions downwards like on the attached photo, you can safely recognize this fungus.
Host identification is most often critical to identify Diatrypaceae, otherwise it is often a headache.
Good luck,
Jacques
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Riet van Oosten, 25-02-2018 12:06
Riet van Oosten
Re : Eutypa lata, Eutypa maura?
Hi Jacques,

Thank you very much for your help and advice.
I will give it a try!

Greetings, Riet
Riet van Oosten, 25-02-2018 15:54
Riet van Oosten
Re : Eutypa lata, Eutypa maura?
Dear Jacques,

I can see "deeply immersed perithecia under a thick black superficial layer" ("and surrounded by black extensions downwards").
Are the black extensions on the photo's also correct for Eutypa maura?
The third photo I just received from the owner of the material.


Riet




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Jacques Fournier, 25-02-2018 16:41
Jacques Fournier
Re : Eutypa lata, Eutypa maura?
good, what you have here is the signature of this species
Jacques
Riet van Oosten, 25-02-2018 17:36
Riet van Oosten
Re : Eutypa lata, Eutypa maura?
Glad to hear that Jacques!
Merci beaucoup!
Riet