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03-03-2026 20:34

Cercophora-Podospora-Arnium 210226 333 on cow dung
Miguel Ãngel Ribes Miguel Ángel Ribes

Good eveningThese small, amphora-shaped perithecia

28-02-2026 11:54

Sinensia
Alain GARDIENNET Alain GARDIENNET

Hi forum,Is anyone aware if the 1936 edition of Si

02-03-2026 22:07

Geopyxis majalis ?
Jorge Hernanz

Buenas noches!Entre musgos, bajo Pinus halepensis

01-03-2026 18:02

unidentified Helotiales on a leaf
Francois Guay Francois Guay

I found this mystery Helotiales on an incubated le

28-02-2026 14:43

Georgian litterature
Alain GARDIENNET Alain GARDIENNET

A new refrence desired :Svanidze, T.V. (1984) Novy

01-03-2026 18:46

Lichenicolous myxomycete on Lopadium
Robin Isaksson Robin Isaksson

Hi! This species i se from time to time in the

26-02-2026 22:06

Geoscypha
Malcolm Greaves Malcolm Greaves

Can someone explain the features that split Geoscy

27-02-2026 17:51

Parasite de Evernia prunastri
Michel Hairaud Michel Hairaud

Bonjour, Quelqu'un peut il me donner un conseil p

27-02-2026 16:17

Sydowiella or Melanconis teleomorph on Betula
Mathias Hass Mathias Hass

Hi, Found this on Betula, rather fresh fallen twi

01-03-2026 14:10

Peziza varia complex?
Antonio Couceiro Antonio Couceiro

Hola, me gustaria conocer opiniones sobre este tem

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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)