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Mot de passe perdu? S'inscrire

08-06-2026 10:16

Spooren Marco Spooren Marco

I don`t have a clou about this fungus,it is not in

10-06-2026 09:24

François Freléchoux François Freléchoux

Bonjour, J'imagine que cette détermination ne do

09-06-2026 18:32

Camille Mertens

Sur morceau de roseau immergé 0,5 - 0,7 mm de dia

08-06-2026 17:00

François Bartholomeeusen

Good day everyone, On June 5 2026, I collected de

07-06-2026 18:18

Mario Schulz

Hello everyone, i found on 31.5 the following Mol

07-06-2026 15:10

William Slosse William Slosse

Hello everyone,On 05-06-26, I found following asco

05-06-2026 11:02

Thomas Læssøe

https://svampe.databasen.org/observations/10596691

07-06-2026 12:09

François Freléchoux François Freléchoux

Bonjour, Voici une brève description de ce qui m

07-06-2026 12:43

Steve Clements

Bojour. This was a strange find on a stick on my

12-07-2015 00:05

Nedim Jukic Nedim Jukic

This one from the same locality as the previous on

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Hypoxylon rubiginosum?
Riet van Oosten, 06-05-2023 15:45
Riet van Oosten
Hello, found by Ruud van Middelkoop, April 2023, the Netherlands.

Is this Hypoxylon rubiginosum?

KOH extractable pigments orange

Yellow granules beneath the surface

Ostioles umbilicate

Asci J+

Spore sizes Me: 10.6 x 4.4 µm
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Riet van Oosten, 06-05-2023 15:54
Riet van Oosten
Re : Hypoxylon rubiginosum?
Ruud thinks the wood is softwood.

I tried woodanatomy, but only got a tangential section.

I wonder if this is softwood.
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Martin Bemmann, 06-05-2023 18:37
Martin Bemmann
Re : Hypoxylon rubiginosum?
Hi Riet,

do you think Robinia is possible (hardwood) for this site?


Best

Martin
Riet van Oosten, 06-05-2023 20:28
Riet van Oosten
Re : Hypoxylon rubiginosum?
Hi Martin,

Ruud did not notice any Robinias and he does not know if they were ever there, but Robinia could be, microscopically it looks very similar.

So we can exclude softwood :-)

Thank you very much!