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16-06-2014 21:31

Spilopodia (?) on Ranunculus leaves
Enrique Rubio Enrique Rubio

Hi again I need your opinion about these small, s

16-06-2014 18:24

Leptotrochila on leaves of Silene
Enrique Rubio Enrique Rubio

Hi again I'd like to know your opinion about this

15-06-2014 18:42

Byssonectria - literature
Pavol Palo

Hello, Has someone  literature on Byssonectria s

16-06-2014 15:58

Literature
Mafalda Freire Fernando Mafalda Freire Fernando

HiDoes anyone have this material?Atlas of Inverteb

15-06-2014 12:29

Unknown Nectriaceae
Nedim Jukic Nedim Jukic

Hello, Can somebody help me with identifying this

14-06-2014 21:25

Literatura
Salvador Tello

Hola a todos.Estoy buscanco la siguiente literatur

15-06-2014 08:09

Journal of the Hattori Botanical Laboratory
Alain GARDIENNET Alain GARDIENNET

Dear all, I'm looking for this paper  : Follma

14-06-2014 13:30

The Lichenologist 11
Alain GARDIENNET Alain GARDIENNET

Bonjour, Une âme charitable aurait-elle ce papie

14-06-2014 10:01

Orange hairy balls on Anthriscus sylvestris
Marja Pennanen

Hello forum,once again I find myself in trouble wi

13-06-2014 17:28

Melastiza boudieri
Andreas Gminder Andreas Gminder

Bonjour,   aujourd'hui nous avon eu la bon chan

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Black cushions on a poplar twig
Karl Keck, 04-02-2014 15:24
Karl KeckHello everybody,

These black cushions I've found in a riparian forest on a poplar twig.
They break out of the bark.
The spores are round-oval. With a diameter of 9-11 x 8 to 9.5 microns.

I'm stuck with a determination. Can anyone help?

Thanks and regards,
Karl
  • message #27355
  • message #27355
  • message #27355
  • message #27355
Martin Bemmann, 04-02-2014 19:30
Martin Bemmann
Re : Black cushions on a poplar twig
Hi Karl,

those conidia are very globose... but maybe it is Dothichiza populea (I send you Butin's paper) which is currently Chondroplea populea (Sacc. & Briard) Kleb.
See also here: http://w3.pierroton.inra.fr/IEFC/bdd/patho/patho_affiche.php?langue=en&id_fiche=47

Grüße

Martin

Edit: and here is Sutton's plate under Discosporium_populeum
  • message #27368
Karl Keck, 04-02-2014 21:21
Karl Keck
Re : Black cushions on a poplar twig
Hello Martin,
thanks for your answer, the determination of this anamorph fungus, the link and Sutton's plate.
R. sent a private mail with the same information (thanks R.!).
Regards,
Karl