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17-09-2025 19:43

Lachnellula suecica ?
Philippe PELLICIER

Sur branche morte de Mélèze. Les ascospores sphÃ

18-09-2025 08:35

Chaetomium
Edmond POINTE Edmond POINTE

Bonjour amis mycologues,Trouvé sur moquette de ch

17-09-2025 16:14

Sepultaria ?
Philippe PELLICIER

Apothécies enterrées, fermées au début puis s'

17-09-2025 10:50

Ascomycete on Polystichum proliferum
Heather Merrylees

Hi there!I am hoping for any advice on the identif

11-09-2025 16:57

Marthamycetales revision published
Jason Karakehian Jason Karakehian

Our revision of Marthamycetales (Leotiomycetes) is

16-09-2025 12:53

Encoeliopsis rhododendri
Philippe PELLICIER

Pézizes de 1-4 mm, brun grisâtres, sur les capsu

03-09-2025 12:44

Ascolichen on Blechnum?
Enrique Rubio Enrique Rubio

Hi to somebody.I would like to know your opinion o

15-09-2025 14:40

Engler & Prantl, Nat. Pflanzenfam. (Ed. 2) 1938
Nicolas VAN VOOREN Nicolas VAN VOOREN

Hello.I'm searching for a digital copy of the seco

14-09-2025 22:16

Cheilymenia stercorea
Philippe PELLICIER

Apothécies petites jusquà 3 mm, oranges, avec de

13-09-2025 14:01

Otidea platyspora or something else?
Thomas Flammer

dark brown apothecia, splitIKI-Spores biguttulate

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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)