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02-08-2011 22:04

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Peter Welt Peter Welt

Who can help? Brummelin, J. van (1998). Reconside

19-08-2011 09:29

Yellow discomycete on Picea branches
Alex Akulov Alex Akulov

Dear Friends Today I had the opportunity to see a

17-08-2011 22:51

Violet discomycetes on Picea wood
Alex Akulov Alex Akulov

Dear Friends During my recent trip to the Carpath

14-08-2011 17:47

Fungi of Carpathians (august expedition)
Alex Akulov Alex Akulov

Dear FriendsYesterday ended my second in this year

12-08-2011 14:54

Peziza arvernensis
roman vargas alberto

Hello, Do you know if the Peziza arvernensis has i

12-08-2011 08:09

Request Biblio
Carlo Agnello Carlo Agnello

Good morning,I need this bibliography:Le Gal, M. (

08-08-2011 17:17

Demande
René Dougoud

Chers Collègues,J'ai pour référence, en herbier

04-08-2011 15:19

Peziza on clay
Marja Pennanen

Another problem is this Peziza, which grew on dryi

05-08-2011 16:35

Trichonectria
Hans-Otto Baral Hans-Otto Baral

Hiwe have here something we think is a Trichonectr

04-08-2011 04:52

Trichophaea abundans probable
Roland Labbé

Bonjour !Voici une planche d'un Disco carbonicole

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Trichonectria sp. on Ustulina deusta
Perz Piotr, 28-08-2009 15:21
Hallo,

I found this nice Trichonectria on stromata of Ustulina deusta:

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Perz Piotr, 28-08-2009 15:21
Re:Trichonectria sp. on Ustulina deusta
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Perz Piotr, 28-08-2009 15:21
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Perz Piotr, 28-08-2009 15:21
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Perz Piotr, 28-08-2009 15:21
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Perz Piotr, 28-08-2009 15:22
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Perz Piotr, 28-08-2009 15:22
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Perz Piotr, 28-08-2009 15:25
Re:Trichonectria sp. on Ustulina deusta
The spore sizes are somewhat similar to T.rectipila, but a little to thick and the hairs are much to small.... but I does not have describtion of fungicolous members of Trichonectria (Samuels 1988)

There is NO KOH reaction, the perithecjum wall is thin, the perithecjums cells are thick-walled, hairs are thick-walled, walls remain refractivity in KOH. Hairs (0-) 1-septate !

Assoc. with ?Cosmospora. Any idea please?

Best wishes
Pimpek
Gary Samuels, 28-08-2009 17:18
Re:Trichonectria sp. on Ustulina deusta
It is very pretty. I have not seen it before. Are you certain that the asci are not bitunicate?
Perz Piotr, 28-08-2009 17:36
Re:Trichonectria sp. on Ustulina deusta
>> Are you certain that the asci are not bitunicate?

Oh no! I'm not sure :( ;(
I can test it on herbarium specimens or next week I can test it on fresh collection.