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18-09-2025 08:35

Edmond POINTE Edmond POINTE

Bonjour amis mycologues,Trouvé sur moquette de ch

17-09-2025 19:43

Philippe PELLICIER

Sur branche morte de Mélèze. Les ascospores sphÃ

18-09-2025 19:40

Sylvie Le Goff

BonjourPensez vous que le genre Pulvinula puisse c

18-09-2025 16:14

Bernard Declercq Bernard Declercq

Hello,I am looking for a copy of following paper:H

17-09-2025 16:14

Philippe PELLICIER

Apothécies enterrées, fermées au début puis s'

17-09-2025 10:50

Heather Merrylees

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

11-09-2025 16:57

Jason Karakehian Jason Karakehian

Our revision of Marthamycetales (Leotiomycetes) is

16-09-2025 12:53

Philippe PELLICIER

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

03-09-2025 12:44

Enrique Rubio Enrique Rubio

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

15-09-2025 14:40

Nicolas VAN VOOREN Nicolas VAN VOOREN

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

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Hymenoscyphus on Populus leaves
Juuso Äikäs, 15-10-2020 13:31
These were growing on fallen leaves of Populus tremula. 

Many spores had one to three tiny setulae.

Spore measurements:
(17.2) 17.22 - 18.7 (19.5) × (4.5) 4.53 - 4.9 (5.1) µm
Q = (3.4) 3.5 - 4.1 (4.3) ; N = 10
Me = 17.8 × 4.8 µm ; Qe = 3.7

This is clearly a Hymenoscyphus or something like that, but further I can't tell.
  • message #65398
  • message #65398
Lothar Krieglsteiner, 15-10-2020 15:49
Lothar Krieglsteiner
Re : Hymenoscyphus on Populus leaves
for me this looks like H. caudatus.
Best regards, Lothar
Juuso Äikäs, 15-10-2020 17:42
Re : Hymenoscyphus on Populus leaves
I searched some info and yes, that species (complex?) seems to fit! Thanks!
Hans-Otto Baral, 15-10-2020 17:48
Hans-Otto Baral
Re : Hymenoscyphus on Populus leaves
Not exactly, because of the croziers. The common H. caudatus is without, but this one is my folder "caudatus H+ central Europe Querc Popul leaves" and the nice name "Sophienpflege" is attached to most filenames. There is also the name albopunctus, but that species has smaller spores and lacks croziers.

Would be great to add a note on the collection site to your pics, including date.

Zotto
Juuso Äikäs, 15-10-2020 18:31
Re : Hymenoscyphus on Populus leaves
I was actually earlier looking at that folder. I replaced the pics with ones that have the location and date added to them.
Hans-Otto Baral, 15-10-2020 20:22
Hans-Otto Baral
Re : Hymenoscyphus on Populus leaves
Thanks!