Accès membres

Mot de passe perdu? S'inscrire

07-12-2025 16:07

Arnold Büschlen

Hallo, ich habe in einer Moos-Aufsammlung (epiphy

08-12-2025 21:04

Mark Stevens

"Hello everyone,I'm relatively new to microscopy (

09-12-2025 12:06

Andgelo Mombert Andgelo Mombert

Bonjour,Je recherche l'article concernant Hypobryo

08-12-2025 18:59

Lothar Krieglsteiner Lothar Krieglsteiner

.. found by a seminar-participant, I do not know t

08-12-2025 21:18

Buckwheat Pete

Hello everyone, Is it possible to at least approx

07-12-2025 17:43

Malcolm  Greaves Malcolm Greaves

This Helvella was in mixed woodland. Uniform cupul

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

16-03-2014 22:00

Ralph Vandiest Ralph Vandiest

Hello,I found this species a few months ago but ha

08-12-2025 13:39

Thomas Læssøe

https://svampe.databasen.org/observations/10572899

07-12-2025 22:43

Andreas Millinger Andreas Millinger

Good evening, tried to determine with Munks Valsa

« < 1 2 3 4 5 > »
Pyrenomycete on Alnus glutinosa
Tomaz Vucko, 07-01-2025 05:40
Tomaz VuckoGreetings everyone!

Would perhaps someone here recognise this species I found in the recent days on Alnus glutinosa?
IKI-, CR+
Spores measure roughly: 
(32.5) 33.1 - 39.9 (45.7) × (16.5) 17.4 - 19.3 (21.9) µm
Q = (1.7) 1.9 - 2.1 (2.2) ; N = 16
Me = 36.3 × 18.4 µm ; Qe = 2
Interestingly ascus seem to be very delicate and it leaks spores, also sideways, almost as soon they are thrown into a water mount and are hard to catch as whole. There was also mild frost in the last days if that might have affected something. 
Location is Slovenia.

Best regards and a happy New Year!
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
  • message #81219
Gernot Friebes, 07-01-2025 07:27
Re : Pyrenomycete on Alnus glutinosa
Hi, Tomaz!

It reminds me of Dothivalsaria megalospora.

Best wishes,
Gernot
Jacques Fournier, 07-01-2025 09:31
Jacques Fournier
Re : Pyrenomycete on Alnus glutinosa
Hi Tomaz and Gernot, both early birds!
I agree with Gernot and I congratulte Tomaz for the quality of his illustrations, both macro- and micro-, allowing to name this fungus confidently.
The phylogenetic affinities of this taxon are questionable and still unkown. I hope someone will be interested in obtaining sequences.
All my best,
Jacques
Tomaz Vucko, 07-01-2025 13:12
Tomaz Vucko
Re : Pyrenomycete on Alnus glutinosa
Hello Gernot and Jacques!

Thanks for your replies. After some quick reading from old description of species it seems like a very good suggestion. The place of finding I have almost at home soo I will keep a close eye on them. :) 

Best regards!