![](/images/nonlu.png)
06-05-2023 15:45
![Riet van Oosten](/uploads/user_vgn/van-Oosten-0001.jpg)
Hello, found by Ruud van Middelkoop, April 2023, t
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05-05-2023 13:14
![Laurent Bonneau](/uploads/user_vgn/Bonneau-0001.jpg)
Bonjour, j'ai observé ce matin de petits asco s
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03-05-2023 19:38
Ursula KozikBonjour et bonne journée, à la recherche d'une
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05-05-2023 10:31
![Marc Detollenaere](/uploads/user_vgn/Detollenaere-0001.jpg)
Hello Forum,Yesterday I found some small white dis
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03-05-2023 21:20
François BartholomeeusenDear forum members,While microscopically examining
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01-05-2023 11:54
Georges GreiffBonsoir, While searching for the folicolous liche
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13-04-2023 10:30
![Michel Hairaud](/uploads/user_vgn/Hairaud-0001.jpg)
Bonjour, Nous avons le plaisir d'annoncer la publ
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30-04-2023 22:33
Arnold BüschlenAuf dem Dach von einem Gartenschuppen fand ich in
Hypoxylon rubiginosum?
Riet van Oosten,
06-05-2023 15:45
![Riet van Oosten](/uploads/user_vgn/van-Oosten-0001.jpg)
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
Riet van Oosten,
06-05-2023 15:54
Martin Bemmann,
06-05-2023 18:37
![Martin Bemmann](/uploads/user_vgn/Bemmann-0001.jpg)
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](/uploads/user_vgn/van-Oosten-0001.jpg)
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!