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Karl Soler Kinnerbäck

Found on moist Betula wood dipped in freshwater st

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François Bartholomeeusen

Dear forum members,On cow dung, between fruiting b

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David Chapados David Chapados

Hi, I'm trying to find the species of this specim

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Josep Torres Josep Torres

Hello.An ascomycete photographed on April 20, spro

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Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España) , recol

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Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España) , recol

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Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España) , recol

16-05-2025 05:47

Francois Guay Francois Guay

I found this super tiny hyaline asco on fir needle

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Castillo Joseba Castillo Joseba

Mer mandan el material seco de Galicia (España),Â

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Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia,  (España)

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Capronia muriformis?
Lothar Krieglsteiner, 04-08-2024 19:30
Lothar KrieglsteinerFrench Alps, on Corylus, together with Orbilia trapeziformis, 25.6.24.
I would not hesitate if not the spores were partly bigger than allowed, up to about 35 µm long. 
The rest seems to fit well - or doesn`t it?
Best regards, Lothar
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Gernot Friebes, 12-08-2024 16:33
Re : Capronia muriformis?
I don't think it is C. muriformis based on the ascospore colour and septation pattern. Most spores seem to be shorter than 25 µm, is that correct? I suspect it belongs in the vicinity of C. chlorospora or C. "testudiformis" nom. prov. (https://drive.google.com/drive/folders/0B5SeyOEkxxZhOFBaNzZlaFIyYkk?resourcekey=0-NTIJo7LDBeDZhqQrrk8Utg). Barr also described some morphologically similar species from North America. This is a difficult and little-studied group, so it's not rare to find ambiguous collections...

Best wishes,
Gernot

Lothar Krieglsteiner, 12-08-2024 17:05
Lothar Krieglsteiner
Re : Capronia muriformis?
Hello Gernot,
thank you very much for your reply. As I remember and wrote, I measured also spores distinctly longer than 25 µm. 
I will compare chlorospora and testudiformis.
And yes: you are surely right that it is normal to find specimens that remain unclear.
Best regards, Lothar
Luc Bailly, 12-08-2024 17:43
Luc Bailly
Re : Capronia muriformis?
Hello,

I've already noticed that spores that aren't dark brown yet but olive green aren't fully mature yet in all those species.

Cheers - Luc