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29-09-2022 20:26

Elisabeth Stöckli

Bonsoir, Trouvé à 2'500 m (prairie alpine), tai

05-10-2022 14:35

Viktorie Halasu Viktorie Halasu

Hello,I've found here a Hypoxylon (or Hypomontagne

04-10-2022 18:38

Juuso Äikäs

These little brown, hairy apos were growing on a d

01-10-2022 11:54

DirkW DirkW

chers collègues, anyone out there who could send

05-10-2022 16:09

JEAN CABALION

Bonjour, Qui peut me renseigner sur ce Podostroma

24-10-2021 21:50

Robin Isaksson Robin Isaksson

Hi,Found on Andreaea rupestris sweden.ascomata bl

29-09-2022 17:25

Juuso Äikäs

A finding from a couple days ago: a few white Hyme

29-09-2022 13:34

Marja Pennanen

Dear colleagues, a couple of days ago I found the

13-12-2014 21:47

Rubén Martínez-Gil Rubén Martínez-Gil

Hola a todos. Subo unas imágenes de un disco neg

26-09-2022 15:31

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,please, can this be something else than Hypo

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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.