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17-10-2021 16:56

Bernard Declercq Bernard Declercq

Hello,Collected decorticated branch of Quercus rub

17-10-2021 16:55

Bernard Declercq Bernard Declercq

Hello,Collected decorticated branch of Quercus rub

16-10-2021 22:11

Hans-Otto Baral Hans-Otto Baral

Does anybody have access to this? Nannfeldt 1953

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Wendy Untereiner

Dear AscoFrance,I'm curious to know if any member

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Eduard Osieck

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16-10-2021 17:08

Andrés Valverde Valera Andrés Valverde Valera

Bonjour,Je vous envoie cette Tarzetta, trouvée il

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Andrés Valverde Valera Andrés Valverde Valera

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Viktorie Halasu Viktorie Halasu

Hello, could this be some easily recognizable spe

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Hyphomycete
Bernard Declercq, 17-10-2021 16:56
Bernard DeclercqHello,

Collected decorticated branch of Quercus rubra:
Sporodochia subspherical, 0.3-0.5 mm diam., crowded to scattered, rust coloured.
Conidia subtriangular to square or irregular, composed of 3-4 subglobose cells; 10-13x8-10x7-8 µm, with constricted septa, smooth, rust coloured.
Conidiogenous cells cylindrical, hyaline.
Ass. Helicosporium vegetum Nees.

Can anyone help me identifying this maybe hyperparasitic hyphomycete?
Thanks in advance.

Bernard

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  • message #70367