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Asco imparfait à conidies spiralées sur Populus canadensis
Bernard CLESSE, 22-12-2021 19:04
Bernard CLESSEBonsoir à toutes et tous,

Pourriez-vous m'aider à identifier cet Asco imparfait de couleur rose sur Populus canadensis ?

Conidies spiralées, vermiformes, à 10-20 cloisons.

Grand merci d'avance !

Bernard
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  • message #71167
  • message #71167
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Riet van Oosten, 22-12-2021 21:05
Riet van Oosten
Re : Asco imparfait à conidies spiralées sur Populus canadensis
Hello Bernard,
Maybe this one?
In Microfungi on Land Plants on page 56 (Plurivorus Wood en Bark Fungi) Helicomyces roseus: "colonies superficial, effuse, pale pink. Conidia helically coiled, filaments multiseptate, hyaline, 160-180 x 6, borne on short conidiophores. On rotten wood."
http://www.ascofrance.com/search_forum/69313
http://www.ascofrance.com/search_forum/51002
Kind regards, Riet
Bernard CLESSE, 22-12-2021 21:19
Bernard CLESSE
Re : Asco imparfait à conidies spiralées sur Populus canadensis
Hi Riet,

Thank you very much for your message! Indeed, I had seen Helicomyces roseus in Ellis & Ellis but I had not found any good macro photos on the net. On the other hand, I have the impression that the conidia of Helicomyces roseus are longer and narrower ...
But I think we must be in the Tubeufiales.

Best regards,

Bernard

Josep Torres, 23-12-2021 16:42
Josep Torres
Re : Asco imparfait à conidies spiralées sur Populus canadensis
Hola Bernard, no entiendo mucho de estos, Helicomyces roseus parece una buena opción, pero con esta morfología no descartaría un Helicoma.
Saludos cordiales.
Bernard CLESSE, 23-12-2021 17:12
Bernard CLESSE
Re : Asco imparfait à conidies spiralées sur Populus canadensis
OK Josep, thank you very much for your opinion!

Best regards and merry christmas !

Bernard