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04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

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

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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Ophioceras leptosporum?
Riet van Oosten, 06-02-2019 18:52
Riet van Oosten
Hello,

Found by a mushroomfriend, on Urtica.

Could this be Ophioceras leptosporum?

Ascus: 91.5 x 7.2 µm

Spores: 59.1-65.0 x 1.4-1.4 µm

Kind regards, Riet
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Eduard Osieck, 11-02-2019 21:11
Re : Ophioceras leptosporum?
Hello Riet,

Yes this matches P. leptosporum quite well, although the spores are rather (but not too) short (Iqbal 1970: 60-90 um). Important features include the long neck, thread-like spores without swollen cels and the ascal ring.

Eduard
Riet van Oosten, 11-02-2019 21:36
Riet van Oosten
Re : Ophioceras leptosporum?
Hello Eduard,

Thank you very much for your help!

Greetings, Riet