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04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

31-10-2025 09:19

Lothar Krieglsteiner Lothar Krieglsteiner

Can somebody provide me with a file of:Rogerson CT

30-10-2025 03:53

Ethan Crenson

Hi all,  I would like an opinion on whether this

09-08-2025 13:13

Maria Plekkenpol Maria Plekkenpol

Hello,Yesterday I found these on burnt soil. Apoth

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Small disco on Quercus
Masanori Kutsuna, 07-11-2013 03:15
Hello everybody,

I found a small disco on fallen leaves of Quercus acutissima in Japan.


Apothecia up to 1 mm. diam., sessile or nearly so, whitish to pale greyish.
Asci 50-66 x 6.3-6.8 microm., IKI+.
Paraphyses with refractive contents.
Ascospores broadly elliptical, 5.7-6.3 microns long, with 2 large oil drops.
Outer tissue somewhat rounded cells with brown walls.


Mollisia?

Masanori Kutsuna  

  • message #25706
  • message #25706
  • message #25706
Hans-Otto Baral, 07-11-2013 10:08
Hans-Otto Baral
Re : Small disco on Quercus
For a Mollisia the broad spores would be very strange! They look like in a Trochila, but I cannot imagine such relationship.

perhaps a photo of the ascus apex in IKI could help in clarifying the genus? 

You don't have the possibility for colour microphotos?

Zotto
Masanori Kutsuna, 08-11-2013 00:47
Re : Small disco on Quercus
Thank you, Zotto.

I reduced the image to make it  smaller size,
but I have no color microphoto of the ascus in IKI.
I will try to get fresh material.

Kutsuna