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Mot de passe perdu? S'inscrire

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

02-01-2026 22:48

éric ROMERO éric ROMERO

Bonjour tous, Je profite de cette nouvelle demand

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Black on Betula bark?
Mirek Gryc, 26-05-2020 09:28

Hi.
On Betula bark, I recently found a species of mushroom that I do not know.
I once saw similar ones in this forum so I thought it would be more convenient to ask you for help instead of wasting time looking.
Thank you in advance!
Mirek
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Norbert Heine, 26-05-2020 12:23
Norbert Heine
Re : Black on Betula bark?
Hello Mirek,

this should be Helminthosporium caespitosum (= Corynespora caespitosa)

Here you can compare (pages 53-56, Fig. 6)

Norbert
Mirek Gryc, 26-05-2020 13:13
Re : Black on Betula bark?
Hello Norbert

Very nicely prepared article. I haven't read it yet but the pictures themselves show that this is probably the genre.
Thank you very much and best regards.
Mirek

Hermann Voglmayr, 27-05-2020 16:31
Hermann Voglmayr
Re : Black on Betula bark?
Agreed!

Best, Hermann
Mirek Gryc, 27-05-2020 20:53
Re : Black on Betula bark?
Hi.
Confirmed twice :)
In that case, nothing remains for me but to thank both gentlemen!
Thank you very much!
Mirek