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05-05-2026 22:40

Gernot Friebes

Hi,I believe this is a Plagiostoma growing on a Sa

04-05-2026 18:13

Stephen Martin Mifsud Stephen Martin Mifsud

ID request for what seems to be a true aquatic fun

04-05-2026 16:39

Stephen Martin Mifsud Stephen Martin Mifsud

ID request: This specimen was collected in Malta o

28-07-2011 18:31

Alex Akulov Alex Akulov

Dear FriendsToday I made the pdf file of Velenovsk

28-04-2026 20:07

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig in the air at standing Ceratonia siliq

04-05-2026 09:50

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia,(España) re

03-05-2026 11:38

Castillo Joseba Castillo Joseba

Me mandan el material seco, recolectado en dunasLo

02-05-2026 12:42

Alain BRISSARD

Bonjour à tousJeuidi 30 avril dernier on m'a remi

02-05-2026 13:06

Pauline. Penna

Bonjour  Please can someone help me with this id

01-05-2026 22:45

Thierry Blondelle Thierry Blondelle

Bonjour à tous, Une récolte sur bouse séchée d

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Pale Hymenoscyphus on leaf
Juuso Äikäs, 26-10-2025 21:23
Hello,

a couple weeks ago I found some pale, whitish Hymenosyphus fruitbodies growing on a decaying leaf (probably of Acer platanoides).

Asci 8-spored, IKI+(b), croziers+.


Paraphyses narrowly cylindrical, filled with rather low-refracting VBs (maybe not in the best condition?). Ectal excipulum of textura prismatica.


Spores 10.8 - 12.1 × 4.2 - 4.8 µm, Q = 2.3 - 2.8; avg = 11.4 × 4.4 µm, Qav = 2.6; n = 10.


---


Any ideas about the species?


The photos are to be found found here:


https://www.inaturalist.org/observations/321004690

Hans-Otto Baral, 26-10-2025 22:07
Hans-Otto Baral
Re : Pale Hymenoscyphus on leaf
Are the apos big? My guess would be H. immutabilis, a species resembling H. imberbis.
Juuso Äikäs, 26-10-2025 22:16
Re : Pale Hymenoscyphus on leaf
The apos were something like 2-3 mm wide. There are many findings of it on iNaturalist by Igor Khomenko that appear to match quite well. So, I think this is the solution. Thanks!