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01-05-2025 11:25

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous m'aider à

01-05-2025 11:26

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous m'aider à

01-05-2025 11:26

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous m'aider à

01-05-2025 09:59

Illescas Tomás Illescas Tomás

Bonjour à tous : Je joins des photos macro et mi

30-04-2025 18:57

Zoe Vélez Zoe Vélez

Hello Forum, excuse me, do you think these could b

30-04-2025 01:29

David Chapados David Chapados

Hi, I found Dactylellina candida/candidum, recent

29-04-2025 09:13

Louis DENY

Bonjour forumVosges du sud, ballon d'Alsace altitu

28-04-2025 12:51

Thomas Flammer

Substrate: Angelica sylvesrisSpore mass: 8.4 - 11.

12-05-2013 13:31

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Dear mycologists,could someone give me an advice a

18-04-2025 23:16

Robin Pétermann Robin Pétermann

Bonjour, Voici une probable Mollisia, genre que j

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White asco
Milan Malek, 08-04-2025 21:36
Milan MalekHello forum,
could you help me with this asco?
Found on 23.9.2024 in the Czech Republic on dead branch of indeterminate herb, under firs and other trees on stream bank.
Apothecia thin, white, 3 mm in diameter, with a short stipe. 
Asci 73-92 x 6-7 um with slightly IKI+ ring, paraphyses 1-2 um wide, spores 9-12,5 x 3-4 um.
Thank you in advance.
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Hans-Otto Baral, 08-04-2025 22:01
Hans-Otto Baral
Re : White asco
This is difficult to say without vital characteristics. Is the entire excipulum hyaline? at the lower flanks also prismatic?

The apical ring schoul dbe photographed in IKI, the shape might be helpful.
Milan Malek, 09-04-2025 18:50
Milan Malek
Re : White asco
Thank you very much for aou answer.
Entire excipulum is not hyaline, it is prismatic also in the lower flanks.
I added a photo of the apical ring in IKI.
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Hans-Otto Baral, 09-04-2025 20:12
Hans-Otto Baral
Re : White asco
Yes, this is Hymenoscyphus-type. Not hyaline means pigmented?

From spore size and shape it could be Hymenoscyphus imberbis?

The living paraphyses are required, they contain characteristic VB-guttules in that species.
Milan Malek, 10-04-2025 14:01
Milan Malek
Re : White asco
Thank you Hans-Otto for your answer.
I did not see any pigment in excipulum.
Milan
Hans-Otto Baral, 10-04-2025 15:00
Hans-Otto Baral
Re : White asco
So you must delete your "not" in your previous mail.