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13-02-2025 22:39

Yanick BOULANGER

BonsoirPetits périthèces noirs d'environ 0.5 mm

12-02-2025 12:34

Juuso Äikäs

Yesterday I found some hysterioid fungi growing on

11-02-2025 13:06

Blasco Rafael Blasco Rafael

Hola, alguna idea de que puede ser esta muestra ??

11-02-2025 09:41

Blasco Rafael Blasco Rafael

Hola, supongo que tambien sera Trichopeziza perrot

23-02-2022 18:55

William de Jong

Hi everyone,I found an ascomycete on a twig of Rob

22-09-2009 09:47

Alain GARDIENNET Alain GARDIENNET

Bonjour, Curieuse récolte que ce Pleospora imme

10-02-2025 16:40

Karen Poulsen

Hello, I found these fungi on dead branches of Fa

09-02-2025 22:51

Yanick BOULANGER

BonsoirEst-ce que quelqu'un peut me dire s'il s'ag

01-02-2025 20:32

Andreas Gminder Andreas Gminder

Hello,today my girlfriend Sylvie found a single ap

08-02-2025 18:48

Yanick BOULANGER

CistellaSur boisTrès petites apothécies (0.1 –

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Byssosphaeria ?
Ethan Crenson, 08-03-2016 08:53
Hi,

I found this tiny pyrenomycete in Brooklyn.  Tiny black roughened ascomata, less than .5mm, superficial on bare wood (probably Quercus).  Red around apical opening.  1, 2 & 3-septate hyaline spores measuring 16-20µm by 5-5.5µm. 

Any help would be greatly appreciated.

Thanks!
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Jacques Fournier, 08-03-2016 09:08
Jacques Fournier
Re : Byssosphaeria ?
Hi Ethan,
your fungus seems to fit well Byssosphaeria rhodomphala. Are you on the tropical side of Brooklyn?
Cheers,
Jacques
Jason Karakehian, 30-07-2016 04:53
Jason Karakehian
Re : Byssosphaeria ?
Hi Jacques, I was just looking at Ethan's photos and notes on this and following your lead.  It really does seem to be Byssosphaeria rhodomphala!  We looked at a paper Algunas especies del género Byssosphaeria (Melanommataceae, Pleosporales) de Veracruz, México by Santiago Chacón-Zapata y Fidel Tapia-Padilla. Revista Mexicana de Biodiversidad 84: 739-745, 2013.  The taxon is given from Mexico and Ohio in the United States.  We feel like this is a good determination given that information, but we wondered if you have much experience with the genus and might offer additional input?
Thank you!