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09-11-2025 13:20

Josep Torres Josep Torres

Hello.A tiny ascomycete, appearing as erupting gra

08-11-2025 12:10

Elisabeth Stöckli

Bonjour, Trouvé sur tiges mortes de Rubus (ronce

08-11-2025 00:29

Francois Guay Francois Guay

I found this species in Quebec, Canada, on herbace

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

08-11-2025 09:15

Michel Hairaud Michel Hairaud

Bonjour, Pouvez vous m'aider à identifier ce Mol

06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

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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 :)