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04-12-2012 01:26

Masanori Kutsuna

Hello everyone, Disco on twigs of Quercus sp. fou

25-11-2012 20:32

Bometon Javier Bometon Javier

Ascomas cupoliformes abiertos lateralmente, himeni

30-11-2012 13:52

Salvador Tello

Hola a todos.Este Ascomiceto crecía sobre tierra

04-12-2012 20:46

Salvador Tello

Sobre cúpulas de bellotas de Quercus ilex, de 1 o

04-12-2012 20:45

Salvador Tello

Sobre cúpulas de bellotas de Quercus ilex, de 1 o

04-12-2012 16:36

Salvador Tello

Apotecios de 1 o 2 cm, bajo las agujas de los pino

04-12-2012 11:48

Alessio Pierotti Alessio Pierotti

Qualche amico del Forum ha in PDF questi lavori:SA

02-12-2012 17:42

Alain BRISSARD

Bonsoir à tousDemande de confirmation ou d'infirm

01-12-2012 18:01

Nicolas VAN VOOREN Nicolas VAN VOOREN

Bonjour.On m'a confié la détermination d'un Elap

02-12-2012 16:01

Esquivel-Rios Eduardo

Hi AllThese small ascocarps were found in living l

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Small disco on Quercus
Masanori Kutsuna, 04-12-2012 01:26

Hello everyone,

Disco on twigs of Quercus sp. found in October, Japan.
Fruitbody 3-8 mm. in diam, stalked.
Asci 8-spored, IKI+, 7-8.6 x 102-120 microns,
paraphyses filiform, sometimes brown.
ascospores long elliptical, sometimes inequilateral, smooth, hyaline, with small drops in each end, 3.0-3.5 x 11-13 microns.
Ectal excipulum thin-walled, prismatic cells,
medullary excipulum interwoven hyaline hyphae,
surface hyphae with roughend by brown granules.   

It lools  like Rutstroemia firma, but ascospores are aseptate, form short germ tube. 
I'd appreciate your advice.

Masanori Kutsuna    
  
  

  • message #20614
  • message #20614
Hans-Otto Baral, 04-12-2012 09:50
Hans-Otto Baral
Re : Small disco on Quercus
I wanted to suggest Moellerodiscus lentus but that genus has globose excipular cells.

A prismatica in combination with small spores with few small oil drops sounds unusual.

Zotto
Masanori Kutsuna, 05-12-2012 00:26
Re : Small disco on Quercus
Thank you, Zotto.

Regards  

Masanori