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26-11-2025 18:13

Jason Karakehian Jason Karakehian

The entire run of Mycotaxon is now available throu

21-11-2025 15:22

Vasileios Kaounas Vasileios Kaounas

Found in moss, forest with Pinus halepensis. Dime

25-11-2025 14:24

Thomas Læssøe

https://svampe.databasen.org/observations/10490522

24-11-2025 18:17

ruiz Jose

Hola en madera, quizás de alnus. Esporas(12.1) 12

25-11-2025 11:03

Mick Peerdeman

Hi all,One of my earliest microscopy attempts, so

29-06-2016 18:06

Elisabeth Stöckli

Bonjour,Trouvé sur branches mortes cortiquées de

24-11-2025 15:23

Arnold Büschlen

Hallo, auf einer offenen Kiesfläche am Rande ein

18-11-2025 18:26

David Malloch David Malloch

I am trying to locate the article, Müller, E. 195

23-11-2025 11:16

Bohan Jia

Hi,  I found small discs growing on dead stem of

21-11-2025 10:56

Christopher Engelhardt Christopher Engelhardt

Very small (~0,5 mm) white ascos, found yesterday

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Sulfur yellow tiny asco on hardwood
Francois Guay, 23-06-2025 04:03
Francois GuayHi, I found this tiny sulfur yellow asco growing on a decaying hardwood log. 
-Apothecia 1-2 mm
- Spores 9,1-15 × 2,1-2,6 ?m, one or two celled
- Asci IKI +

Here is the iNat link for photos: https://www.inaturalist.ca/observations/290213767

Does anyone know what it is? Thanks
Hans-Otto Baral, 23-06-2025 11:19
Hans-Otto Baral
Re : Sulfur yellow tiny asco on hardwood
Looks much like a Dasyscyphella. I compared D. chrysotexta from Croatia, previously described in a new genus Velebitea. See my folder in Lachnaceae.

This would be interesting to compare also by DNA.
Francois Guay, 23-06-2025 15:12
Francois Guay
Re : Sulfur yellow tiny asco on hardwood
Awesome, thank you Zotto, I will send it to sequencing!
Hans-Otto Baral, 23-06-2025 16:28
Hans-Otto Baral
Re : Sulfur yellow tiny asco on hardwood
Forgot to say that the spores seem to get septate only after discharge, in case you want to see a difference to chrysotexta. Both your images and the protologue are in the chrysotexta-folder.
Francois Guay, 24-06-2025 04:38
Francois Guay
Re : Sulfur yellow tiny asco on hardwood
Great, I will take a look at it!