Diatrype sp. - Forum ASCOFrance

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Diatrype sp.

Andgelo Mombert, 10-02-2023 11:46

Hello all,

A small Diatrype that I cannot identify.

On dead branch of Acer sp. (platanoides or campestre), directly on dead pseudothecia of Massaria sp.

Stroma 1-1.5 mm in diameter, discoid. Entostroma developed.

Ascospores 6-7.5 x 1.5-2 µm, allantoid, pale yellow-brown, smooth.
Asci long stipitate, pars sporifera 20-25 x 5-6 µm, with non-amyloid apical apparatus, even with KOH pretreatment.

thank you in advance for your help

Andgelo

Josep Torres, 10-02-2023 22:40

Re : Diatrype sp.

Hola Andgelo, con estas medidas esporales y sobre Acer, las claves llevan a la Diatrype spilomea, pero su aspecto no me cuadra en absoluto.
Saludos.

Andgelo Mombert, 11-02-2023 18:25

Re : Diatrype sp.

Thanks Josep, but D. spilomea is J+...

Alain GARDIENNET, 12-02-2023 12:08

Re : Diatrype sp.

and stroma is different.

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