Accès membres

Mot de passe perdu? S'inscrire

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

08-11-2025 09:15

Michel Hairaud Michel Hairaud

Bonjour, Pouvez vous m'aider à identifier ce Mol

06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

« < 1 2 3 4 5 > »
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!