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13-12-2018 09:53

Per Marstad Per Marstad

This was growing on Fagus, in Norway.The spores ar

12-12-2018 20:58

Per Marstad Per Marstad

I found this on Fagus. Spores 60-75 x 5 my, with 8

14-11-2018 19:07

Andgelo Mombert

Bonsoir,Sur bois mort de feuillu. Apothécies sess

06-12-2018 07:35

Ethan Crenson

Hello all, These were found by my friend recently

08-12-2018 15:13

Per Marstad Per Marstad

This was growing on Fagus, 2-3 mm. The spores are

09-12-2018 23:06

Joop van der Lee

Found on cow dung. Fruitbody is covered with tufs

06-12-2018 00:02

Elsa Sousa

Good evening,I need your sharp eyes on this ascos.

11-12-2018 17:31

Peter Püwert Peter Püwert

Can somebody help ? Massee G. et Salmon E. S. (19

11-12-2018 23:18

Iglesias Plácido

Hola amigos, est sortie la revue Errotari de cette

10-12-2018 23:47

BERNARD CLESSE BERNARD CLESSE

Que pensez-vous de cette récolte, faite sur crott

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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