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08-05-2025 02:22

Francois Guay Francois Guay

I found this white, hairy ascomycete on the bark o

07-05-2025 18:29

Francois Guay Francois Guay

I found this small hyaline ascomycete on moist, de

08-05-2025 08:59

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia, (España) , reco

07-05-2025 10:18

Thomas Flammer

I have found on Genistae sth. that looks like puli

05-05-2025 09:35

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Marie-Rose d'Angelo de la SociétÃ

06-05-2025 13:37

Thomas Flammer

Munk, Anders (1953). The System of the Pyrenomycet

06-05-2025 12:52

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España),  reco

06-05-2025 13:22

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España),  reco

05-05-2025 22:06

Patrice TANCHAUD

Bonsoir, il y a quelques temps, j'avais évoqué

01-05-2025 20:11

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello, today I have collected a tiny ascomycete g

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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.