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02-07-2025 18:45

Elisabeth Stöckli

Bonsoir,Sur feuilles d'Osmunda regalis (Saulaie),

02-07-2025 17:26

Yanick BOULANGER

BonjourRécolté sur une brindille au fond d'un fo

02-07-2025 09:32

Nicolas VAN VOOREN Nicolas VAN VOOREN

Hello, bonjour.Here is the paper I'm searching for

30-06-2025 16:56

Lydia Koelmans

Please can anyone tell me the species name of the

01-07-2025 23:37

Josep Torres Josep Torres

Hello.A Pleosporal symbiotic organism located and

30-06-2025 12:09

Edvin Johannesen Edvin Johannesen

This tiny, rather "rough" erumpent asco was found

30-06-2025 06:57

Ethan Crenson

Hi all, Another find by a friend yesterday in Bro

30-06-2025 19:05

ALAIN BOUVIER

Bonjour à toutes et à tousJe cherche à lire l'a

30-06-2025 14:45

Götz Palfner Götz Palfner

This is a quite common species on Nothofagus wood

25-06-2025 16:56

Philippe PELLICIER

Bonjour, pensez-vous que S. ceijpii soit le nom co

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Small round yellow asco on oak in California
Alan Rockefeller, 31-12-2013 10:15
Alan RockefellerSeen at the Yuba Watershed Fungus Fair.   Growing on oak.

Spores (12) 13 (14) x (3) 3.5 (4), smooth, with many small oil droplets.   Asci 100 - 120 x 7 - 8.  Crush mount also showed abundant long threads approx 1 micrometer thick.


 


What could this be?


 


 

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Byrain, 31-12-2013 16:52
Re : Small round yellow asco on oak in California
I remember these too, I think asci images are probably needed?
Miguel Ángel Ribes, 02-01-2014 09:17
Miguel Ãngel Ribes
Re : Small round yellow asco on oak in California
Bisporella?
Alan Rockefeller, 08-01-2014 21:31
Alan Rockefeller
Re : Small round yellow asco on oak in California
Ok, I added some images of the asci.
Alan Rockefeller, 09-01-2014 20:35
Alan Rockefeller
Re : Small round yellow asco on oak in California
Does anyone have any ideas about which species of Bisporella this is?   Is it definitely a Bisporella?   Are any more micrographs needed?
Byrain, 09-01-2014 21:17
Re : Small round yellow asco on oak in California
Alan, maybe try viewing the asci in melzers?  There is some more info here.

http://mushroomobserver.org/comment/show_comment/83332?q=1jVHp?

Hopefully someone else here can weigh in too?
Alan Rockefeller, 11-01-2014 11:46
Alan Rockefeller
Re : Small round yellow asco on oak in California

It has been suggested on Mushroom Observer that this could be Bisporella citrina or Bisporella sulfrina. 

http://mushroomobserver.org/156779?
Alan Rockefeller, 12-01-2014 20:29
Alan Rockefeller
Re : Small round yellow asco on oak in California

When comparing the spores of my observation to other Bisporella citrina observations, the spore shape looks pretty different.   My spores are crescent shaped, while other people report ellipsoid spores.

Compare my pics to http://mushroomobserver.org/128098?