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24-03-2026 21:37

Elisabeth Stöckli

Bonsoir,Sur bois (tronc) très pourri de conifère

25-03-2026 10:35

Hulda Caroline Holte

Hello,I collected this species growing on a dead b

26-03-2026 15:31

Ãke Widgren Åke Widgren

Hello,I found this one in October last year, on r

26-03-2026 12:50

David Chapados David Chapados

Hi,I'm having a hard time figuring which Pseudombr

26-03-2026 11:17

Vasileios Kaounas Vasileios Kaounas

Found 11-03-26, in leaf of Ulmus sp. Diameter 2-4

25-03-2026 22:23

Marc Detollenaere Marc Detollenaere

Dear Forum,On a debarked stem of Tilia, we found s

24-03-2026 15:44

Åge Oterhals

I hope someone can confirm the name of this collec

25-03-2026 20:53

François Bartholomeeusen

Dear forum members,On 23 March 2026, I found sever

23-03-2026 20:16

Miguel Ãngel Ribes Miguel Ángel Ribes

Good eveningI'm unable to identify this Coprotus o

25-03-2026 15:06

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous me confirm

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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)