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28-04-2024 18:05

Pseudoophiobolus (?) sur Teucrium botrys
Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,J'ai trouvé ce matin ce

28-04-2024 13:30

Pale Trichopeziza
Juuso Äikäs

On Friday I found these pale, hairy little discos

24-03-2024 08:27

Rosellinia britannica ?
Thierry Blondelle Thierry Blondelle

HiOn Hedera helix fallen branchEcological habitat:

26-04-2024 10:07

Rhytismataceae on Juniperus sabina
Mathias Hass Mathias Hass

Hello, Does anyone know what this is? Found on J

24-04-2024 21:54

Lasiobolus macrotrichus
éric ROMERO éric ROMERO

Bonjour, J'ai trouvé ce Lasiobolus sur laissées

23-04-2024 15:18

out of topic - peculiar unripe fungus, not an ascomycete
Lothar Krieglsteiner Lothar Krieglsteiner

... but likely a basidiomycete. I hope it is o.k.

23-04-2024 13:17

Ascobolus foliicola
Edouard Evangelisti Edouard Evangelisti

Bonjour à tous, Je viens de récolter ce que je

23-04-2024 21:49

Byssonectria (?) Pyronemataceae from Eastern US
Ethan Crenson

Hello all, A friend recently found this orange as

22-04-2024 11:52

Microstoma from South Korea
Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,I made a loan of a collection of Microstoma

11-01-2022 16:36

Literature request: Raitviir (2004) Revised synopsis of Hyaloscyphaceae?
Jason Karakehian Jason Karakehian

Hi does anyone have a digital copy of Raitviir A (

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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?