13-02-2026 18:05
Margot en Geert VullingsOn February 9, 2026, we found these small hairy di
14-02-2026 10:58
Bernard CLESSE
Bonjour à toutes et tous,Pourriez-vous m'aider à
13-02-2026 03:30
Tomaz Vucko
Hello! I found these immersed perithecia on a stic
12-02-2026 21:34
patrice CallardBonjour, la face inférieure des feuilles ce certa
11-02-2026 22:15
William Slosse
Today, February 11, 2026, we found the following R
12-02-2026 14:55
Thomas Læssøehttps://svampe.databasen.org/observations/10581810
11-02-2026 19:28
Lothar Krieglsteiner
on small deciduous twig on the ground in forest wi
25-04-2025 17:24
Stefan BlaserHi everybody, This collection was collected by J
Small round yellow asco on oak in California
Alan Rockefeller,
31-12-2013 10:15
Seen 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?
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
Re : Small round yellow asco on oak in California
Bisporella?
Alan Rockefeller,
08-01-2014 21:31
Re : Small round yellow asco on oak in California
Ok, I added some images of the asci.
Alan Rockefeller,
09-01-2014 20:35
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?
http://mushroomobserver.org/comment/show_comment/83332?q=1jVHp?
Hopefully someone else here can weigh in too?
Alan Rockefeller,
11-01-2014 11:46
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
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?