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20-08-2009 11:36

Anamorphe (?) très interessant sur Rhamnus alpinus ssp. fallax
Hermine Lotz-Winter

Bonjour tous le monde, peut-etre dans ce forum que

16-08-2009 18:28

truffe
NC NC

Bonjour à tous, Un voisin m'a apporté une "tru

16-08-2009 14:52

Lophiostomataceae à spores muriformes hyalines
Alain GARDIENNET Alain GARDIENNET

Bonjour, Tout est dit dans le titre. Trouvé su

13-08-2009 11:14

Recherche article Ascobolus
Pascal RIBOLLET

Bonjour à tous, Quelqu'un possede-t-il l'article

09-08-2009 21:43

Troublesome operculate... (lots of pictures)
Martin Bemmann Martin Bemmann

Dear all, today I found these little milk-coffe

07-08-2009 22:07

Scutellinia
Patrice TANCHAUD

Sur bois. Spores 18-20 x 11-11,5 µm. Poils 320 Â

06-08-2009 21:14

bitunicate discomycete
Gernot Friebes

Hello, I could not determine this bitunicate di

05-08-2009 19:30

Helotial on Juniperus communis twigs
Enrique Rubio Enrique Rubio

Hi again: I’d like to know your opinion abo

04-08-2009 22:19

MYCHORIZES TYPE AD
philippe jean

bonjour, je m'interesse habituellemnt à tout ce q

04-08-2009 13:32

Ascomycete on Juniperus communis old leaves
Enrique Rubio Enrique Rubio

Hi to all: I need some help for determinate this

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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
Re:Trichonectria sp. on 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
Re:Trichonectria sp. on Ustulina deusta
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Perz Piotr, 28-08-2009 15:22
Re:Trichonectria sp. on Ustulina deusta
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Perz Piotr, 28-08-2009 15:22
Re:Trichonectria sp. on Ustulina deusta
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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.