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30-04-2024 16:22

François Bartholomeeusen

Dear forum members,On April 25 2024, I found one f

01-05-2024 23:22

Ethan Crenson

Hi all, Found late last week in a New York City p

29-04-2024 21:32

Robin Isaksson Robin Isaksson

Hi! Found in Sweden. Ascomata with haris, se

01-05-2024 12:54

F. JAVIER BALDA JAUREGUI

Hello, everyone.An idea for this pyreno, I found u

30-04-2024 16:59

Sylvie Le Goff

Bonjour. Petite pézize récoltée au sol en bordu

30-04-2024 19:43

Gernot Friebes

Hi!We observed this hyphomycete growing between le

30-04-2024 16:08

maurice pelissier maurice pelissier

BonjourTrouvé dans un torrent de montagne au Chir

29-04-2024 21:51

Mathias Hass Mathias Hass

Hi everyone, Found on attached branches of top pa

28-04-2024 18:05

Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,J'ai trouvé ce matin ce

28-04-2024 13:30

Juuso Äikäs

On Friday I found these pale, hairy little discos

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Rutstroemia? Ciboria?
David MARCOS, 31-03-2024 19:20
David MARCOSBonjour, cette fois-ci, je sollicite votre aide avec un autre petit ascomycète trouvé sur un chêne (Quercus pyrenaica). Je ne suis pas sûr du genre auquel il appartient. Toute aide est la bienvenue. Merci beaucoup. Je joins un document avec des images et des informations.


Apotécies de moins de 1 cm de hauteur. Diamètre d'environ 4 mm.
Poussant sur de petites branches tombées de chêne (Quercus pyrenaica).
Sp: 15 – 19,5 x 11,5 - 13
Hans-Otto Baral, 31-03-2024 21:11
Hans-Otto Baral
Re : Rutstroemia? Ciboria?
For the genus you need the excipulum, globulosa or prismatica parallel to the outside.

Do you have it fresh? please mount in water and look for free spores. Are they smooth or warted?
David MARCOS, 01-04-2024 19:01
David MARCOS
Re : Rutstroemia? Ciboria?
Good afternoon, thank you very much for your message. Unfortunately, I have only relied on dry material for these observations, and I currently don't have access to it. Nevertheless, I take note of your advice.
I am new to mycology and I feel like I'm struggling to find reference material to identify ascomycetes. I would appreciate any recommendations.
Best regards.
Hans-Otto Baral, 02-04-2024 10:03
Hans-Otto Baral
Re : Rutstroemia? Ciboria?
Because of the immense diversity of ascomycetes and the rapid changes in knowledge it is necessary to use up-to-date papers on special groups. For the methods of studying discomycetes you should consult Dougoud comprehensive survey, recently published here in an English translation.