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10-09-2025 23:53

Marcel Heyligen Marcel Heyligen

Found on Robinia pseudoacasia together with Diapor

11-09-2025 16:57

Jason Karakehian Jason Karakehian

Our revision of Marthamycetales (Leotiomycetes) is

10-09-2025 17:18

Blasco Rafael Blasco Rafael

Hola, encontre este estiercol de vaca estos apotec

02-09-2025 11:34

Thomas Læssøe

https://svampe.databasen.org/observations/10527903

07-09-2025 08:19

Josep Torres Josep Torres

Hello.Tiny pinkish discomycetes, photographed and

09-09-2025 12:07

Edmond POINTE Edmond POINTE

Bonjour amis mycologues,Trouvé sur moquette de ch

08-09-2025 19:07

ruiz Jose

Hola me pasan esta recolecta en madera de fraxinus

03-09-2025 21:59

Philippe PELLICIER

La Léchère, Col de la Madeleine, alt 1970m, au s

06-09-2025 21:40

David Chapados David Chapados

Hi, Does somebody know the genus that has those b

07-09-2025 11:34

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,I have identified this fungus as Hymenoscyph

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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!