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09-02-2026 14:46

Anna Klos

Goedemiddag, Op donderdag 5 februari vonden we ti

09-02-2026 11:42

Åge Oterhals

Hi forum, I found this Lachnum on old hardwood tw

02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

25-01-2026 23:23

Tomaz Vucko Tomaz Vucko

Hello! I found this species that resembles Delitsc

06-02-2026 01:14

Tomaz Vucko Tomaz Vucko

Hello!How would you name this species? Most perith

04-08-2014 17:35

Leandro Sánchez Leandro Sánchez

Sur branche de feuillus, jusqu'à 22 mm diamètre,

05-02-2026 15:07

Vasileios Kaounas Vasileios Kaounas

Found on a fallen needle of Pinus halepensis, diam

05-02-2026 06:43

Stefan Blaser

Hello everybody, Any help on this one would be mu

18-08-2025 15:07

Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

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Black ascomycete on Fraxinus
Pavol Palo, 12-03-2014 20:26
Hello friends,

may I ask you for help ? I would need some idea or opinion.

 


Fruitbody: on dead deciduous branches (Fraxinus sp.) diam. 0,2-0,5 mm.


Ascii: 40-45 x 3-4 µm ... 8 spores - biserial


Spores: 4-6 x 2-2,5 µm 


Paraphyses: diam. 1-2 µm ... >100 µm


Subiculum diam. to 10 µm 


 


Regards 


Pavol

  • message #28173
  • message #28173
  • message #28173
  • message #28173
Christian Lechat, 12-03-2014 20:45
Christian Lechat
Re : Black ascomycete on Fraxinus
This looks like Nitschkia confertula which is known on Fraxinus but the size of ascospore does not fit.
Christian
Peter Püwert, 12-03-2014 20:51
Peter Püwert
Re : Black ascomycete on Fraxinus
Hello Pavol,
in my opinion is this Nitschkia confertula (Schw.) Nannf. The spores may a little longer.
Greetings Peter.
Pavol Palo, 12-03-2014 21:33
Re : Black ascomycete on Fraxinus
Thank you very much
Pavol Palo, 12-03-2014 21:36
Re : Black ascomycete on Fraxinus

Thank you very much


 


 


p.s. I will try prepare new micro (mayby this is immature)