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26-11-2025 18:13

Jason Karakehian Jason Karakehian

The entire run of Mycotaxon is now available throu

21-11-2025 15:22

Vasileios Kaounas Vasileios Kaounas

Found in moss, forest with Pinus halepensis. Dime

25-11-2025 14:24

Thomas Læssøe

https://svampe.databasen.org/observations/10490522

24-11-2025 18:17

ruiz Jose

Hola en madera, quizás de alnus. Esporas(12.1) 12

25-11-2025 11:03

Mick Peerdeman

Hi all,One of my earliest microscopy attempts, so

29-06-2016 18:06

Elisabeth Stöckli

Bonjour,Trouvé sur branches mortes cortiquées de

24-11-2025 15:23

Arnold Büschlen

Hallo, auf einer offenen Kiesfläche am Rande ein

18-11-2025 18:26

David Malloch David Malloch

I am trying to locate the article, Müller, E. 195

23-11-2025 11:16

Bohan Jia

Hi,  I found small discs growing on dead stem of

21-11-2025 10:56

Christopher Engelhardt Christopher Engelhardt

Very small (~0,5 mm) white ascos, found yesterday

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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