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19-03-2026 10:56

Thomas Læssøe

https://svampe.databasen.org/observations/10505643

18-03-2026 13:09

Khomenko Igor Khomenko Igor

I recently examined Celtis occidentalis branches

27-02-2026 11:21

Yannick Mourgues Yannick Mourgues

Hi to all. Here is a specie that can may be relat

18-03-2026 18:42

Gonzalez Garcia Marta

I have collected some lyre-shaped apothecia on the

18-03-2026 17:22

Katarina Pastircakova

Hi there,I'm looking for the following literature:

27-11-2025 15:41

Thomas Læssøe

Spores brownish, typically 4-celled; 26.8 x 2.4;

18-03-2026 11:52

Thomas Læssøe

https://svampe.databasen.org/observations/10493688

11-03-2026 17:36

Michel Hairaud Michel Hairaud

Bonjour, Je cherche des indices  pour cette réc

17-03-2026 10:40

Martine  Vandeplanque Martine Vandeplanque

Bonjour à tous.Chaque année en mars ou avril, il

17-03-2026 19:41

Bernard CLESSE Bernard CLESSE

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

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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 :)