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11-09-2025 16:57

Jason Karakehian Jason Karakehian

Our revision of Marthamycetales (Leotiomycetes) is

13-09-2025 14:10

Wim de Groot

We found this hymenoscyphus on rubus fruticulosis.

13-09-2025 14:01

Thomas Flammer

dark brown apothecia, splitIKI-Spores biguttulate

10-09-2025 23:53

Marcel Heyligen Marcel Heyligen

Found on Robinia pseudoacasia together with Diapor

10-09-2025 17:18

Blasco Rafael Blasco Rafael

Hola, encontre este estiercol de vaca estos apotec

02-09-2025 11:34

Thomas Læssøe

https://svampe.databasen.org/observations/10527903

07-09-2025 08:19

Josep Torres Josep Torres

Hello.Tiny pinkish discomycetes, photographed and

09-09-2025 12:07

Edmond POINTE Edmond POINTE

Bonjour amis mycologues,Trouvé sur moquette de ch

08-09-2025 19:07

ruiz Jose

Hola me pasan esta recolecta en madera de fraxinus

03-09-2025 21:59

Philippe PELLICIER

La Léchère, Col de la Madeleine, alt 1970m, au s

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Claussenomyces cf "caeruleomarginata"?
Andreas Gminder, 06-07-2016 22:59
Andreas Gminder

Hello,


today found on attached brnach of apple tree in the field mark.


According to the provisionary key of Claussenomyces by Marson & Baral the nearest I come to is Cl. "caeruleomarginata", but apothecia are very dark.


The spores I have seen have only transverse septae, no longitudinal ones have been observed. Also no tendency to make ascoconidia have been seen.
I first have been thinking of Cl. xylophila, but for this species the spore size is too big, besides other differences.


Not ionomidotic.


I have no idea which Claussenomyces - or am I in the wrong genus?


 


P.S.: spore measurements x10, means 29,6 x 5,7 µm


thanks for help,
Andreas

  • message #43683
  • message #43683
  • message #43683
  • message #43683
Gernot Friebes, 06-07-2016 23:06
Re : Claussenomyces cf "caeruleomarginata"?
Hallo Andreas,

vielleicht Durella, in Richtung D. connivens?

Schöne Grüße
Gernot
Andreas Gminder, 06-07-2016 23:23
Andreas Gminder
Re : Claussenomyces cf "caeruleomarginata"?

Hello Gernot,


thank for this - Durella is a genus I always forget, don't know why ....


And yes it should be Durella connivens, especially as I found in another apothecium spores with 38 and 41 µm length.


best regards and thanks,
Andreas

Hans-Otto Baral, 07-07-2016 09:27
Hans-Otto Baral
Re : Claussenomyces cf "caeruleomarginata"?
It will help to look on the ectal excipulum at flanks and margin, Durella is easily recognizable by the brown-olive text. porrecta. Spores of D. connivens should be 7-septate.
Andreas Gminder, 07-07-2016 09:36
Andreas Gminder
Re : Claussenomyces cf "caeruleomarginata"?

Hello Zotto,


yes, both fits.


thank you,
Andreas