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03-02-2013 19:50

Nina Filippova

Good time), I've compared this specimen with the

15-02-2026 04:32

Tomaz Vucko Tomaz Vucko

One more specimen that is giving me some descent a

17-02-2026 17:26

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous, Je recherche cette publication :

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

17-02-2026 09:41

Maren Kamke Maren Kamke

Good morning, I found a Diaporthe species on Samb

17-02-2026 13:41

Isabelle Charissou

Bonjour, est-ce que quelqu'un pourrait me fournir

16-02-2026 18:34

Thierry Blondelle Thierry Blondelle

Bonjour,La micro de cet anamorphe de Hercospora su

16-02-2026 21:25

Andreas Millinger Andreas Millinger

Good evening,failed to find an idea for this fungu

16-02-2026 17:14

Joanne Taylor

Last week we published the following paper where w

16-02-2026 16:53

Isabelle Charissou

Bonjour, quelqu'un pourrait-il me transmettre un

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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!