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05-03-2026 10:07

Hulda Caroline Holte

Hello, I found and collected this species growing

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

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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Bryoscyphus
Enrique Rubio, 04-07-2022 18:45
Enrique RubioI can find no suitable answer for this white Bryoscyphus with such spores. The stipitate apothecia growing on indeterminate decaying mosses. Asci IKIb croziers (+).
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Enrique Rubio, 04-07-2022 19:01
Enrique Rubio
Re : Bryoscyphus
I can only think of B. rhytidiadelphi in which the pattern of the LBs may have been altered. But when I made the preparation, the asci released a multitude of very mature spores, which seemed very normal.
Michel Hairaud, 04-07-2022 19:14
Michel Hairaud
Re : Bryoscyphus
Hi Enrique, I suppose you also considered B. phascoides , which spore guttulation pattern is similar ? (though a little thiner in my collections) 

AmitiésMichel 
Enrique Rubio, 04-07-2022 19:29
Enrique Rubio
Re : Bryoscyphus
I see the spores as very different, Michel, and also the gutulation.
Merci
Michel Hairaud, 04-07-2022 19:39
Michel Hairaud
Re : Bryoscyphus
Ah , which means I made a wrong identification on this collection  !

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Enrique Rubio, 04-07-2022 19:48
Enrique Rubio
Re : Bryoscyphus
Your spores look identical to mine, but the gutulation pattern seems different from rhytidiadelphi unless the small LBs quickly rearrange and form larger guttules.
On the other hand I have been told that the moss in my collection looks like Rhytidiadelphus
Enrique Rubio, 04-07-2022 19:52
Enrique Rubio
Re : Bryoscyphus
Svrcek's drawings show small guttulae
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Enrique Rubio, 04-07-2022 19:54
Enrique Rubio
Re : Bryoscyphus
And also my older collections of rhytidiadelphi.
https://www.centrodeestudiosmicologicosasturianos.org/?p=560
Michel Hairaud, 04-07-2022 20:02
Michel Hairaud
Re : Bryoscyphus
Similar to mine rhytidiadelphi (very common in winter on the coast ) but never found with the guttulation you show . I will send you later my whole file for my misidentified collection of B. phascoides
Michel
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Hans-Otto Baral, 09-07-2022 10:01
Hans-Otto Baral
Re : Bryoscyphus
Enrique, I suggest to identify the moss. perhaps you can make a preparation of a leaf to show the cell shape at base and apex, presence of a midrib, structure of margin. Perhaps someone can tell. Was the moss also uninfected and do you have a photo?
Georges Greiff, 23-07-2022 18:26
Re : Bryoscyphus
Moss could be R. triquetrus but a photo from further away would help to be sure. B. rhytidiadelphi does not seem to be specific, however, or at least there are reports on other hosts. I had convincing material on Bryum argenteum once.
Enrique Rubio, 11-08-2022 13:16
Enrique Rubio
Re : Bryoscyphus
Hi again
My friend Marta has studied the moss and she thinks it could be R. triquetrus, as Georges wrote.
What do yo think?
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Hans-Otto Baral, 12-08-2022 09:14
Hans-Otto Baral
Re : Bryoscyphus
A Rhytidiadelphus I think is sure.