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05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

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Pleospora orbicularis
Dragiša Savic, 19-05-2014 09:01
Hi everyone. This Pleospora species I found on the twigs of Colutea arborescens.
I think it's P. orbicularis. I did not have the key but I see in ascofrance database. http://www.ascofrance.fr/search_recolte/2495

Am I right?
  • message #29358
  • message #29358
Alain GARDIENNET, 19-05-2014 21:44
Alain GARDIENNET
Re : Pleospora orbicularis

Hi,


I think your fungus is not P. orbicularis. If you compare ascospores, you should see that they are different.  They remind me more those of Chaetoplea pusilla, for example. Perhaps that  you should look at this genus.


Have you more informations about your fungus ?


Alain

Dragiša Savic, 19-05-2014 22:02
Re : Pleospora orbicularis
Hi Alain,
Walter Jaklitsch saw my post and asked me to send him a sample.
It assumes that is the Thyridium. I sent him a sample today, we'll see.
Alain GARDIENNET, 19-05-2014 22:21
Alain GARDIENNET
Re : Pleospora orbicularis

It's ok, your fungus are in very good hands, and ascospores look like those of Thyridium, in fact.


Alain