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10-06-2026 13:41

François Freléchoux François Freléchoux

Bonjour à nouveau, Voici une trouvaille d'hier.

10-06-2026 11:53

Steve Clements

Bonjour, This disco is abundant on dead stems of

10-06-2026 12:54

Steve Clements

Bonjour encore, Pouvez-vous m'aider, s'il vous pl

10-06-2026 10:45

François Freléchoux François Freléchoux

Bonjour à nouveau, Encore une détermination qui

08-06-2026 10:16

Spooren Marco Spooren Marco

I don`t have a clou about this fungus,it is not in

10-06-2026 09:24

François Freléchoux François Freléchoux

Bonjour, J'imagine que cette détermination ne do

09-06-2026 18:32

Camille Mertens

Sur morceau de roseau immergé 0,5 - 0,7 mm de dia

08-06-2026 17:00

François Bartholomeeusen

Good day everyone, On June 5 2026, I collected de

07-06-2026 18:18

Mario Schulz

Hello everyone, i found on 31.5 the following Mol

07-06-2026 15:10

William Slosse William Slosse

Hello everyone,On 05-06-26, I found following asco

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Diaporthoid fungus - need help in identification
Ivana Kusan, 30-05-2012 16:03
Dear Pyreno-friends,

Does anyone have an idea what this fungus might be? Substrate is decorticated trunk of Fagus sylvatica in a forest of Abies alba, Fagus sylvatica, Acer pseudoplatanus and Picea abies. Living ascospores measure 11,7-16,5/6,3-7,1 microns. Spores rapidly die in IKI and are 4,5-6,0 microns wide. Visibility of the apical ring was only enhanced by IKI in water but seemingly with only grey shade and without blue colouration. We consulted Munk (1957), RWG Dennis (1980) and Wehmeyer (1933).


Nice regards to all,


Ivana


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Alex Akulov, 30-05-2012 17:01
Alex Akulov
Re : Diaporthoid fungus - need help in identification

Dear Ivana


I think, you have Eutypa flavovirens with associated fungicolous fungus Didymosphaeria conoidea


Alex

Alex Akulov, 30-05-2012 17:02
Alex Akulov
Re : Diaporthoid fungus - need help in identification
Description
Ivana Kusan, 30-05-2012 17:15
Re : Diaporthoid fungus - need help in identification
Dear Alex,

:-))) Thank you for your help! When we cut stroma with perithecia we thought it is Eutypa flavovirens because of the green colour. But, we didn't see any Eutypa spores! Only this Didymosphaeria.... It's obvoius now why we couldn't find anything with these characters in the literature.
 
Best regards,

Ivana
Björn Wergen, 03-06-2012 12:39
Björn Wergen
Re : Diaporthoid fungus - need help in identification
I do not think this one is Didymosphaeria conoidea. The species grows on or in old Leptosphaeria (doliolum) fruitbodies and has smaller, brown ascospores. I have found it once (see attached photo).

regards,
björn
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Ivana Kusan, 04-06-2012 20:53
Re : Diaporthoid fungus - need help in identification
Hi Björn,

Thanks for your kind reply. All spores were hyaline and smooth. ?Also quite larger than in description attached by Alex.

Ivana