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Mot de passe perdu? S'inscrire

18-11-2025 18:26

David Malloch David Malloch

I am trying to locate the article, Müller, E. 195

18-11-2025 13:59

Nogueira Héctor

November 14, 2025 Brazuelo (León) SPAIN Hymenosc

17-11-2025 19:14

herman lambert

Apothécie discoïde 0.6 cm diam., orangeFace hymÃ

17-11-2025 21:57

Philippe PELLICIER

Bonjour,Récolté sur bois de feuillu mort dur, no

16-11-2025 21:09

Robin Isaksson Robin Isaksson

Anyone recognize this acc. to pictures.? Found on

17-11-2025 21:46

Philippe PELLICIER

Bonjour,Récolté sur bois pourrissant de feuillu

14-11-2025 16:26

Marian Jagers Marian Jagers

Hello everyone, On dead wood of Cytisus scoparius

15-11-2025 23:22

Mario Filippa

Hello,this is what I think to be Hymenoscyphus mac

15-11-2025 20:25

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde, Nov. 2025

15-11-2025 09:21

Josep Torres Josep Torres

Hello.An anamorph resembling Capronia is sprouting

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Small disco on leaves
Yatsiuk Iryna, 02-11-2011 16:24
Yatsiuk Iryna

Dear friends!


Do you have some idea about the genus of this tiny disco?


I have found it on dead leaves of Quercus robur. Fruitbodies are single, small, orange-beige, 0,2-0,5 mm in diam.


I thought about Pezicula, but apical rings are blued in IKI (colourless in MLZ)


Spores are ellipsoid, 10,9-11,4*2,4-3,6 um, hyaline, with 2-3 guttules (in water, KOH). 


Thank you before,


Irina

  • message #16584
  • message #16584
  • message #16584
Raúl Tena Lahoz, 02-11-2011 20:44
Raúl Tena Lahoz
Re : Small disco on leaves
Maybe Calycina? Do you have info about paraphyses contents?
Raúl
Neven Matocec, 03-11-2011 00:27
Neven Matocec
Re : Small disco on leaves
Hi Irina & Raul!

Yes, that might be right guess....it seems to me that asci are of Calycina type reaction (although there are number of genera apart from Calycina with that type of euamyloid reaction). Perhaps a drawing of some cell types, most preferably in statu vivo (see Baral 1992 publ. in Mycotaxon, which I can send if still needed) and observation on paraphysal & excipular layer(s) structure & gelification would be sufficiently informative. Also ascogenous system type (croziers vs. simple septate) is crucial. it is not necessary to draw whole block of texture(s) or hymenia - only group of cells.

Cordially,
Neven