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09-01-2026 10:08

Blasco Rafael Blasco Rafael

Hola, en el mismo habitat que la anteriorRetamaDia

08-01-2026 21:22

Blasco Rafael Blasco Rafael

Hola, He recogido esta muestra de Orbilia sobre Re

07-01-2026 10:24

Danny Newman Danny Newman

Pezicula sp. on indet. hardwood Appalachian Highl

07-01-2026 22:22

Danny Newman Danny Newman

Tatraea sp. on indet. hardwood The Swag, Great Sm

07-01-2026 17:29

Marc Detollenaere Marc Detollenaere

Dear Forum,On a barkless Populus I found some smal

10-11-2021 17:33

Riet van Oosten Riet van Oosten

Add-on topic http://www.ascofrance.com/forum/7059

07-01-2026 10:05

Danny Newman Danny Newman

cf. Chaetospermum on XylariaCosby Campground, Grea

06-01-2026 20:54

Thierry Blondelle Thierry Blondelle

Bonjour à tous et meilleurs voeux pour cette nouv

02-01-2026 17:43

MARICEL PATINO

Hi there, although I couldn't see the fruitbody, I

04-01-2026 17:45

Stephen Martin Mifsud Stephen Martin Mifsud

I was happy to find these orange asmocyetes which

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Hypoxylon sp.?
Mirek Gryc, 20-10-2021 08:29
Hello all.
I would ask for help in identifying this Hypoxylon.
I'm not sure about the substrate but it was probably wood Fraxinus?
Due to the color of the extract in Koh, I can not match any species.
Wondering, a very capricious reaction to iodine. After applying only Lugol, I found only a few Ascus on which a blue color occurred. Only after the pre-treatment in KOH, the reaction was clearly visible.

regards
Mirek

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Mirek Gryc, 21-10-2021 19:33
Re : Hypoxylon sp.?
I probably were overworked and had problems with logical thinking?
I think that the features match Hypoxylon rubiginosum.
Someone will confirm?
Mirek
Ethan Crenson, 21-10-2021 21:48
Re : Hypoxylon sp.?
That's what I was thinking.
Mirek Gryc, 22-10-2021 09:20
Re : Hypoxylon sp.?
Hi Ethan.
Sometimes even quite frequent species make problems identifying and especially for people who are just starting to study such a kind, I unfortunately belong to such.
All the more I am glad that I managed to correctly determine the species.
She also helped me a second collection which I studied yesterday. Her qualities were 100% compatible with the descriptions of this species. Despite the small differences, I decided it was the same species.
Best wishes and thank you.
Mirek