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05-09-2025 18:53

Robin Isaksson Robin Isaksson

Hi! Spores 1 septate; 12-13 x 3um Hairs 35-75

05-09-2025 09:32

Nicolas VAN VOOREN Nicolas VAN VOOREN

Bonjour, hi everyone,Do you know where the fungari

03-09-2025 21:59

Philippe PELLICIER

La Léchère, Col de la Madeleine, alt 1970m, au s

04-09-2025 20:11

Åge Oterhals

Saccobolus on dear droppings. Can any of you confi

03-09-2025 12:44

Enrique Rubio Enrique Rubio

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

02-09-2025 10:28

Castillo Joseba Castillo Joseba

De ayer en madera muy podrida de haya (Fagus)A ver

31-08-2025 19:41

Enrique Rubio Enrique Rubio

Hi to someone.I need to download this issue of Sve

02-09-2025 11:34

Thomas Læssøe

https://svampe.databasen.org/observations/10527903

31-08-2025 17:32

Michel Hairaud Michel Hairaud

Bonjour, Pas d'identité trouvée pour cette réc

01-09-2025 08:42

François Corhay

Un ami, conservateur d'une RN en Belgique, m'a adr

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White Lasiobelonium?
Francois Guay, 08-05-2025 02:22
Francois GuayI found this white, hairy ascomycete on the bark of a living Populus tree. I think it might be a Lasiobelonium sp.? Does anyone know what it could be?

-Asci 8 spored, IKI+
- Spores 25-26,57 x 3,05 - 3,51 µm

Here is the iNat link for photos: https://www.inaturalist.ca/observations/271280364

Thank you !
Hans-Otto Baral, 08-05-2025 11:17
Hans-Otto Baral
Re : White Lasiobelonium?
This looks much like Lasiobelonium corticale which has been reported with spores 11-25 x 2-4 µm, except for the pale colour. Maybe you have a species with a little longer spores, but my docu HB 5633b shows spores 20-30.5 x 3-3.8 µm and apos pale to light ochraceous-brownish. So this could all be the same. And I see Enrique (ERD 6276) measured 18.6-29.3 x 3.8-4.7 µm.

I wonder why this species was rarely connected in recent times, and no sequence appears to exist.
Francois Guay, 08-05-2025 20:29
Francois Guay
Re : White Lasiobelonium?
Interesting, this could all be the same, yes. I have both the brownish specimens from another collection and this white/pale collection. I will send both for sequencing so we can compare the sequences. Thank you, Zotto!
Hans-Otto Baral, 08-05-2025 20:42
Hans-Otto Baral
Re : White Lasiobelonium?
ah, that would be exquisite!