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24-04-2012 17:54

Baeza  Yajaira Baeza Yajaira

hi everyone im lookinf fot it: Denison, W.C. 1969

23-04-2012 13:21

Hans-Otto Baral Hans-Otto Baral

Can anybody help with the following reference?E.K.

19-04-2012 19:02

Baeza  Yajaira Baeza Yajaira

Hello dear Friends. me once again =) hopping that

22-04-2012 20:49

Bometon Javier Bometon Javier

Hola a todos, soy Javier Bometon de Terrassa (Barc

23-04-2012 15:02

Gernot Friebes

Hi, G. Bauer sent me photos of an unknown bryophil

23-04-2012 09:14

Alain GARDIENNET Alain GARDIENNET

Bonjour à tous,Sur un os en pleine forêt, j'ai t

22-04-2012 00:45

Yannick Mourgues Yannick Mourgues

B'soir à tous et bonne nuit pour les autres !Bon,

22-04-2012 23:58

Yannick Mourgues Yannick Mourgues

I'm looking for : Sydowia 42: p. 210-217. Who can

22-04-2012 17:10

Karl Keck Karl Keck

Bonjour, sur un coupoule de Fagus, j'ai trouvé ce

09-04-2012 17:30

Roland Labbé

Bonjour ! Voici une photo macro et une planche d'u

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Eutypa on Fagus
Stefan Blaser, 15-03-2012 08:52
Hello everybody

Related to the thread of Daniel Ghysenlinck I know put data about my unidentified Eutypa collections which were made on Fagus sylvatica.


Description: Fruitbodies very inconspicuous, from some distance only a darkening of the wood. With the naked eye the ostioles could just be seen as tiny black dots on the blackish surface. The Stroma with the scattered perithecia is about 0.5 - 0.6 mm thick. Perithecia are about 0.4 mm broad and 0.3 mm high with a neck length of about 0.25 mm. About 0.15 mm of the neck is within the stroma and only some 0.1 mm protruding as a semiglobous structure (see photos).


Microscopy: Asci are typically long stalked with a spore bearing part of about 25-35 micrometers. Apical apparatus is very faintly and inconspicuously bluish in Iodine. Spores are brownish, allantoid and 6-9 x 1.8-2.2 micrometers with 7 x  2 beeing the average.


Ideas are very welcome. Ask if you need further morphological details.


Thanks very much


Stefan

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Yannick Mourgues, 15-03-2012 18:44
Yannick Mourgues
Re : Eutypa on Fagus
Hi !

I have not checked microscopic characters, but why not consider Diatrype decorticata ?

Yannick
Stefan Blaser, 15-03-2012 21:32
Re : Eutypa on Fagus
Hi Yannick

This seems to be a good idea to follow. Thanks for the Input!
Stefan
Alain GARDIENNET, 15-03-2012 22:27
Alain GARDIENNET
Re : Eutypa on Fagus
I don't think that it is one Diatrype, like decorticata. It looks like Eutypa lata, isn't it ?
Alain
Yannick Mourgues, 15-03-2012 23:06
Yannick Mourgues
Re : Eutypa on Fagus
Oui, je me range à l'avis d'Alain.
I think Alain is right.

Yannick
Stefan Blaser, 16-03-2012 07:10
Re : Eutypa on Fagus
Thanks Alain et Yannick

This is definitly a name I came by during my researches. Can't remember why I discarded it again. Probably because there is little illustration and documentation on the species. But I will definitly focus on this now and compare characters with literature about E. lata.

Thanks again
Stefan