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23-04-2026 06:46

François Freléchoux François Freléchoux

Bonjour, Voici la description d'un minuscule asco

21-04-2026 22:14

Margot en Geert Vullings

This cup fungus was found on April 10, 2026, on lo

22-04-2026 20:17

Marian Jagers Marian Jagers

Is anyone familiar with the Hyphomycetes genus Pse

22-04-2026 20:54

Enrique Rubio Enrique Rubio

Hi to everybody.This Pyrenopeziza grew in moist le

22-04-2026 19:12

Louis DENY

Bonjour forum.Trouvé à Belfort, est de la France

21-04-2026 21:00

Sylvie Le Goff

Bonjour à tousJe sollicite votre aide pour cet as

22-04-2026 01:06

Richard VALERI Richard VALERI

Bonjour à tous.Je vous présente cette Nectria s.

21-04-2026 13:36

Gernot Friebes

Hi,I am out of ideas for this one. I collected Sal

21-04-2026 13:19

Gernot Friebes

Hi,this Lophodermium on Typha has ascospores measu

21-04-2026 13:05

Gernot Friebes

Hi,this hyphomycete feels familiar but I was not a

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Hypoxylon serpens?
William Slosse, 21-03-2021 10:49
William SlosseGood morning everyone,

a few weeks ago I found this Hypoxylon on a decorticated branch of Quercus robur in the Belgian dune area.
I have no experience with this genus but I think I have to do with H. serpens. Can this be confirmed / corrected?
Average spores size: 11.43 x 4.75. However, width is smaller than the specification in Ellis & Ellis.

Sincerely,
William
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Alain GARDIENNET, 22-03-2021 12:36
Alain GARDIENNET
Re : Hypoxylon serpens?
Hi William,

You could try to use this key of Nemania genus :


Alain
William Slosse, 22-03-2021 21:45
William Slosse
Re : Hypoxylon serpens?
thanks for this interesting key and website, Alain.
I will definitely try again with this new info.

William
Lothar Krieglsteiner, 23-03-2021 08:00
Lothar Krieglsteiner
Re : Hypoxylon serpens?
especially you should test IKI (not Melzer) for the pore. N. serpens is unique in being hemiamyloid (red stain).
Best, Lothar
Mirek Gryc, 23-03-2021 08:44
Re : Hypoxylon serpens?
Hello
Let me finish the thought Lothar
Mirek
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Lothar Krieglsteiner, 23-03-2021 09:02
Lothar Krieglsteiner
Re : Hypoxylon serpens?
Hi Mirek,
thanks :-)
But I can show a nicer red stain.
Best, Lothar
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Mirek Gryc, 23-03-2021 14:21
Re : Hypoxylon serpens?
Definitely prettier :)