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09-11-2025 13:20

Josep Torres Josep Torres

Hello.A tiny ascomycete, appearing as erupting gra

08-11-2025 12:10

Elisabeth Stöckli

Bonjour, Trouvé sur tiges mortes de Rubus (ronce

08-11-2025 00:29

Francois Guay Francois Guay

I found this species in Quebec, Canada, on herbace

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

08-11-2025 09:15

Michel Hairaud Michel Hairaud

Bonjour, Pouvez vous m'aider à identifier ce Mol

06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

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

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Ascomycete on oak cupules
Edit Szilvásy, 30-09-2013 22:59
Edit SzilvásyHi all,

I've found this ascomycete on oak cupules.  Apothecia 2-8 mm across.


Spores ellipsoid, hyaline,  24-5 µm


J-negative (Lugol)


Does anyone have an idea what this might be?


Thanks in advance


Regards, Edit


 

  • message #25306
  • message #25306
  • message #25306
Hans-Otto Baral, 30-09-2013 23:45
Hans-Otto Baral
Re : Ascomycete on oak cupules
Hi Edit

This is Phaeohelotium geogenum (= Hymenoscyphus geogenus).

But the asci should have a small blue apical ring in IKI.

Zotto
Hans-Otto Baral, 30-09-2013 23:45
Hans-Otto Baral
Re : Ascomycete on oak cupules
Hi Edit

This is Phaeohelotium geogenum (= Hymenoscyphus geogenus).

But the asci should have a small blue apical ring in IKI.

Zotto
Edit Szilvásy, 01-10-2013 08:19
Edit Szilvásy
Re : Ascomycete on oak cupules
Dear Zotto,
Thank you very much for your help.
Regards: Edit