Venturia on Euphorbia stems - Forum ASCOFrance

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Venturia on Euphorbia stems

Enrique Rubio, 30-04-2022 13:34

The setose pseudotecia of this venturiaceous fungus grew in circles around blackish spots on stems of Euphorbia hyberna at 1300 m of altitude. I cannot find any Venturia on such a substrate in the literature, except for one recently described, in its asexual morph, in Euphorbia paralias.
As you can see the spores are greenish, smooth and have a distinctly infra-medial septum.
Do you have any ideas that could help me?

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