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17-09-2024 02:12

Possible Hymenoscyphus caudatus or similar
B Shelbourne B Shelbourne

• Macro and habitat seems like Hymenoscyphus s.l

16-09-2024 14:20

Bryostroma
Elisabeth Stöckli

Bonjour,Sur une pierre recouverte de mousse (forê

06-09-2024 16:23

Caesiodiscus populicola
Andgelo Mombert Andgelo Mombert

Bonjour,J'ai trouvé cette semaine Caesiodiscus po

15-09-2024 12:51

Another observation of Cyathicula paludosa
B Shelbourne B Shelbourne

• Macro and habitat suggest Cyathicula.• Confi

08-10-2019 21:31

Paul Powell's Hypoderma dissertation?
Jason Karakehian Jason Karakehian

Hi AscoFrance community, Does anyone have a PDF

08-09-2024 21:31

Possible Rutstroemia sydowiana
B Shelbourne B Shelbourne

• Stromatised substrate and macro like genus Rut

14-09-2024 01:12

Ascobolus species
B Shelbourne B Shelbourne

• Ascobolus species on wild herbivore dung.• S

13-09-2024 07:19

Trichobolus genus
Thierry Blondelle Thierry Blondelle

BonjourDans le genre Trichobolus, quelles sont les

11-09-2024 19:21

Hymenoscyphus ??
Castillo Joseba Castillo Joseba

Deel lunes en bosque de hayas y abetos,  posiblem

04-09-2024 21:02

Possibly an undescribed species of Xylaria on olive fruits
Stephen Mifsud Stephen Mifsud

I have found an interesting Xylaria growing on fal

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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
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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.