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15-11-2025 09:21

Josep Torres Josep Torres

Hello.An anamorph resembling Capronia is sprouting

14-11-2025 16:26

Marian Jagers Marian Jagers

Hello everyone, On dead wood of Cytisus scoparius

14-11-2025 18:31

Lothar Krieglsteiner Lothar Krieglsteiner

Hello,can somebody provide me with a file of:Rothe

12-11-2025 21:47

ruiz Jose

Hola a todos, me envían esta colección en resto

12-11-2025 09:25

Viktorie Halasu Viktorie Halasu

Hello, I need help with a pale terrestric Pseudom

11-11-2025 20:16

Bohan Jia

Hi, lastly I have found these tiny yellow decayin

09-11-2025 13:20

Josep Torres Josep Torres

Hello.A tiny ascomycete, appearing as erupting gra

08-11-2025 12:10

Elisabeth Stöckli

Bonjour, Trouvé sur tiges mortes de Rubus (ronce

08-11-2025 00:29

Francois Guay Francois Guay

I found this species in Quebec, Canada, on herbace

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

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Hymenoscyphus on Betula leaf
Juuso Äikäs, 29-09-2022 17:25
A finding from a couple days ago: a few white Hymenoscyphus fruitbodies were growing on a fallen, decaying Betula leaf amid Sphagnum in a boggy forest.

Asci 8-spored, without croziers, IKI+ blue. Paraphyses cylindrical, with medium sized round VBs. Ectal excipulum of textura prismatica. The spores measure 14.5 - 18 × 4.8 - 5.2 µm and are without contents (uninucleate?).

Any thoughts?
  • message #73974
  • message #73974
Hans-Otto Baral, 29-09-2022 20:10
Hans-Otto Baral
Re : Hymenoscyphus on Betula leaf
Well documented but I have no idea at the moment. Would need to scroll my folders.
Juuso Äikäs, 29-09-2022 20:15
Re : Hymenoscyphus on Betula leaf
Ok, I'll search there later. Any idea what folder this might belong to? Hymenoscyphus s.str.?
Marja Pennanen, 29-09-2022 20:23
Re : Hymenoscyphus on Betula leaf
Hei,

muistankohan vuosien takaa. Olisiko H. phyllogenus valkoinen lehdillä ja yleisempi epiphyllys on taas keltainen. Onhan niitä tosin muitakin...

Terkkui: Marja
Juuso Äikäs, 29-09-2022 20:34
Re : Hymenoscyphus on Betula leaf
Kiitti vinkistä! Tsekkaan jos sopisi.
Hans-Otto Baral, 29-09-2022 20:55
Hans-Otto Baral
Re : Hymenoscyphus on Betula leaf
Indeed, H. phyllogenus is a very good idea!! Thanks Marja.
Juuso Äikäs, 29-09-2022 21:08
Re : Hymenoscyphus on Betula leaf
Yes, that seems to fit!