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03-09-2025 12:44

Enrique Rubio Enrique Rubio

Hi to somebody.I would like to know your opinion o

02-09-2025 10:28

Castillo Joseba Castillo Joseba

De ayer en madera muy podrida de haya (Fagus)A ver

31-08-2025 19:41

Enrique Rubio Enrique Rubio

Hi to someone.I need to download this issue of Sve

02-09-2025 11:34

Thomas Læssøe

https://svampe.databasen.org/observations/10527903

31-08-2025 17:32

Michel Hairaud Michel Hairaud

Bonjour, Pas d'identité trouvée pour cette réc

01-09-2025 08:42

François Corhay

Un ami, conservateur d'une RN en Belgique, m'a adr

31-08-2025 14:34

Thomas Flammer

I have found a Rutstroemia on abt. 2000 m on Alnus

29-08-2025 19:04

Thomas Flammer

Spores 21.2 - 26.2 x 8.3 - 11.3 µm - Q: 2.20 - 2.

30-08-2025 18:29

Joaquin Martin

Hi,I found this undetermined ascomycete on broadle

28-08-2025 17:24

Thomas Flammer

I know, that this is not the real topic of this fo

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Ascolichen on Blechnum?
Enrique Rubio, 03-09-2025 12:44
Enrique RubioHi to somebody.

I would like to know your opinion on these apothecium-like, gregarious, whitish, pubescent, briefly stipitate fungi, up to 200 microns in height and 150-160 microns in width, which were growing on Blechnum spicant fronds on a quartzite wall that was oozing water.
The asci are bitunicate and the whole structure appears dextrinoid, as only the medulla of the fruiting body appears to turn slightly blue in IKI after KOH-pretreatment. Peculiar paraphyses with a highly refractive content can be seen, and perhaps also a pilosity formed by similar elements, although I have not been able to make a vertical section of the ascoma that would give me a good idea of the whole. Nor have I been able to clearly observe a possible thallus at the base of the stipe base.
Could this be an ascolychen?
Thank you very much for your ideas.

 

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