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07-06-2026 15:10

William Slosse William Slosse

Hello everyone,On 05-06-26, I found following asco

07-06-2026 18:18

Mario Schulz

Hello everyone, i found on 31.5 the following Mol

07-06-2026 12:09

François Freléchoux François Freléchoux

Bonjour, Voici une brève description de ce qui m

05-06-2026 11:02

Thomas Læssøe

https://svampe.databasen.org/observations/10596691

07-06-2026 12:43

Steve Clements

Bojour. This was a strange find on a stick on my

12-07-2015 00:05

Nedim Jukic Nedim Jukic

This one from the same locality as the previous on

06-06-2026 17:44

Steve Clements

Bonjour, This disco was on planed wood 3 x 1.5 cm

14-08-2016 23:15

Alex Akulov Alex Akulov

Dear friendsCan you help me to find the descriptio

04-06-2026 23:53

Stip Helleman Stip Helleman

Dear all, someone can get acces to this article f

04-06-2026 11:36

Gernot Friebes

Hi,found on Vaccinium myrtillus.Asci: IKI –, 8-s

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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?