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14-03-2026 13:51

Thierry Blondelle Thierry Blondelle

Hi everybody Under Quercus ilex, i hesitate to na

12-03-2026 19:44

Enrique Rubio Enrique Rubio

Hi to everybody.Can you give me any suggestions ab

11-03-2026 17:36

Michel Hairaud Michel Hairaud

Bonjour, Je cherche des indices  pour cette réc

12-03-2026 15:45

Åge Oterhals

Dear forum,I found this small discomycete on a ver

05-03-2026 10:07

Hulda Caroline Holte

Hello, I found and collected this species growing

08-03-2026 14:05

Thierry Blondelle Thierry Blondelle

Bonjour à tous,Sur 3 récoltes supposées de H. l

12-03-2026 16:17

Sylvie Le Goff

Bonjour à tousRécolté dans le 22 en France (ré

12-03-2026 14:37

David Wasilewski

These small ascomycota (1-3 mm) ere observed growi

11-03-2026 16:48

Bruno Coué Bruno Coué

Bonjour, je serais heureux d'avoir votre avis sur

09-02-2026 22:01

ruiz Jose

Hola, me paso esta colección en madera de pino, t

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Olla transiens
Thomas Flammer, 01-03-2025 11:31
substrate: Fagus
diameter 500 µm
Spore mass: 5.5 - 7.6 x 2.3 - 2.8 µm - Q: 2.16 - 3.04 (Ø LxB: 6.7 x 2.5 ØQ:2.7 N: 8)
IKI+
The hair bundles are darker, fusiform and some with kind of resinous incrustations. The hairs have to septations
  • message #81749
  • message #81749
Hans-Otto Baral, 01-03-2025 12:00
Hans-Otto Baral
Re : Hyaloscypha?
I imagine this is Olla transiens. The ascus base should be without croziers.
Thomas Flammer, 01-03-2025 12:06
Olla transiens
yes :-) fits perfectly!
Kosonen Timo, 01-03-2025 12:07
Kosonen Timo
Re : Hyaloscypha?
That would be Olla transiens. The longer the hair the shorter the "glassy" part at the apex. Shorter/developing hairs have more glassiness. It's also dextrinoid. Sometimes the glassiness is barely visible in H2O mount, then MLZ/IKI helps. The spore shape looks like a foot print. There are two somewhat different sequences in Genbank. Both are Olla, but maybe not the same species. I've been trying to figure it out, but I havent got very clever yet. There's some older discussion on this matter, (this Forum), try searching for Olla.

cheers
Timo
Thomas Flammer, 01-03-2025 12:19
Re : Olla transiens
tx for the info.