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03-06-2026 14:39

Thomas Flammer

Apothecia yellow, glassy-transparent, 80 - 120 ymS

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Trichophaeopsis bicuspis ?
Rubén Martínez-Gil, 11-12-2016 00:04
Rubén Martínez-Gil

Hola a todos.


Pongo unas fotos de un asco que hemos encontrado hoy entre hojas semidescompuestas.


Ascas operculadas, pleurorrincas.


Esporas lisas de 17-19 x 11-12 micras, sin gútulas en el interior.


Pelos algunos con dos puntas, pero la mayoría sólo con una. Miden hasta 450 micras de largo.


Pensé en Trichophaeopsis bicuspis, ¿Qué les parece?


Gracias por su ayuda.


Rubén

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Till Lohmeyer, 11-12-2016 10:09
Re : Trichophaeopsis bicuspis ?
Bonjour, Ruben

did the apothecia grow on or near leaves of poplar-trees (Populus)? That would be characteristic for T. bicuspis. And, of course, the hairs pointed at both ends.

Regards Till

PS: I wonder if the fungus grows exclusively near rotten leaves of poplars.
Rubén Martínez-Gil, 11-12-2016 12:22
Rubén Martínez-Gil
Re : Trichophaeopsis bicuspis ?

Gracias por su ayuda, Till.


La recolecta la hice entre hojas de olivos de cultivo, mayoritariamente. Puede ser que hubiera alguna otra de frutales como manzana o pera, pero la mayoría era de olivos.


Seguro que Populus, no.


Saludos


Rubén

Nicolas VAN VOOREN, 11-12-2016 17:12
Nicolas VAN VOOREN
Re : Trichophaeopsis bicuspis ?
This is clearly a Trichophaeopsis species, but is it really T. bicuspis... In my collections (always associated with rotting wood or litter of Populus) the spores present some polar oil drops. This is not the case here.
Interesting collection which requires other advices!
Ron Bronckers, 12-12-2016 10:13
Re : Trichophaeopsis bicuspis ?
Hi Rubén,

See also the following discussion on this forum:

http://www.ascofrance.fr/search_forum/37885


All the best!


Ron
Lothar Krieglsteiner, 12-12-2016 15:49
Lothar Krieglsteiner
Re : Trichophaeopsis bicuspis ?

Hello together,


I found T. biscuspis some times in my life - typically in leaf litter of Populus (nigra-canadensis). But I also found it in other environments lacking of Populus. Unfortunately, this is quite long ago and I have no documents digitally (I have a digicam only since about 6 or 7 years). But fortunately there should be herbarium material kept in Stuttgart and/or Karlsruhe.


If somebody is planning a monograph of Trichophaeopsis, she or he should perhaps have a look at ther specimens. In this case, I woul do the work and look for them ....


Best regards from Lothar

Rubén Martínez-Gil, 12-12-2016 23:05
Rubén Martínez-Gil
Re : Trichophaeopsis bicuspis ?

Gracias por sus comentarios, Nicolas, Ron, Lothar


Saludos


Rubén