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07-12-2015 14:17

Una Peziza a latice giallo-verdastro con croziers
Zugna Marino Zugna Marino

Buon giorno a tutti, ad un primo momento, non ess

29-01-2026 10:04

Séminaire Ascos en Belgique
Jean-Paul Priou Jean-Paul Priou

Bonjour à tous, Marcel LECOMTE président de L'A

21-01-2026 16:32

Lichenicolous coelomycete
Gernot Friebes

Hi,I need your help with some black dots on a lich

17-11-2009 22:22

Peziza avec latex
Pablo Chacón Pablo Chacón

Bonne nuit, Voir si vous m'avez élaguée appor

25-11-2012 20:32

Otidea o Peziza?
Bometon Javier Bometon Javier

Ascomas cupoliformes abiertos lateralmente, himeni

25-01-2026 16:08

Geoglossum
Malcolm Greaves Malcolm Greaves

This Geoglossum had spores mostly 70-80 (87) with

27-01-2026 11:43

DNA match
Malcolm Greaves Malcolm Greaves

Is anyone with experience of DNA testing able to t

26-01-2026 11:49

Anamorph on Cytisus
Margot en Geert Vullings

We found this possible anamorph on a dead Cytisus

25-01-2026 23:23

Delitschia/Lojkania? on wood
Tomaz Vucko Tomaz Vucko

Hello! I found this species that resembles Delitsc

18-01-2026 12:24

Anamorph on an olive tree
Josep Torres Josep Torres

Hello.An anamorph located on the surface of a thin

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Asco on Fagus cupules
Thorben Hülsewig, 30-09-2020 20:18
Hi there,

i found this asco on 25.09.2020 on a Fagus cupules.
At first I thought of an ombrophila, but in the meantime I am not so sure anymore. Interesting is that this species seems to have hairs on the underside of the apothecium.
Also the reaction of the asci on Lugol is weakly blue.
Any idea what it could be ?


best regards,
Thorben

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Enrique Rubio, 30-09-2020 20:25
Enrique Rubio
Re : Asco on Fagus cupules
Look for Hymenoscyphus (Phaeohelotium) fagineus
Hans-Otto Baral, 30-09-2020 20:25
Hans-Otto Baral
Re : Asco on Fagus cupules
Hi Thorben

did you see any living paraphyses? Are the hairs also at the margin. A marginal section possible?
Thorben Hülsewig, 02-10-2020 20:24
Re : Asco on Fagus cupules
Hi Zotto,

ich habe jetzt nur noch dieses Bild mit den Paraphysen, die auch mehrfach septiert sind.
Die Haare sind nur an den Marginazellen, leider habe ich jetzt kein Schnittbild, aber kann versuchen dies Nachzuholen.

best regards,
Thorben
Thorben Hülsewig, 02-10-2020 21:09
Re : Asco on Fagus cupules
P.S: Here are the Picture with the Parapyhses.

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Hans-Otto Baral, 02-10-2020 22:04
Hans-Otto Baral
Re : Asco on Fagus cupules
Of course H. fagineus is a good suggestion, I agree. About the hairs I canot remember if they may occur there.
Thorben Hülsewig, 03-10-2020 22:18
Re : Asco on Fagus cupules
Thanks you Zotto and Enrique