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26-10-2020 09:58

Nicolas VAN VOOREN Nicolas VAN VOOREN

Hi.Here is the tiny white discomycete (~0.1 mm Ø)

25-10-2020 17:53

Guy Buddy

Good day,This fungus was fruiting abundantly from

26-10-2020 07:48

Blasco Rafael Blasco Rafael

Hola, esta muestra estaba sobre tallos de Angelica

25-10-2020 12:35

Juuso Äikäs

These were growing on a low branch of a deciduous

25-10-2020 18:32

Mirek Gryc

HelloSomeone help?Mirek

23-10-2020 21:50

Dirk Baert

Hello,I fund this Helicoon spec. on rot wood.anyon

24-10-2020 14:28

Castillo Joseba Castillo Joseba

De esta mañana recolectada  en acicullas de abet

23-10-2020 12:57

Marek Wolkowycki Marek Wolkowycki

Hello Bia?owie?a Primeval Forest on live shoots o

23-10-2020 12:02

Stephen Mifsud Stephen Mifsud

Hi, I found small white-cream colonies on decaying

23-10-2020 19:45

Angel Pintos Angel Pintos

Hello, anybody have:?Kohlmeyer, J. and Kohlmeyer,

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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!