Ascochyta ruborum Lib., (1834) Cytospora ramealis (Roberge ex Desm.)

Septocyta ruborum is a species of fungus in the Ascomycota.

[1] Its taxonomic relationship to other taxa in the Ascomycota is unknown, and it has not been assigned with certainty to any order or family (incertae sedis).

It is a plant pathogen and grows on Rubus laciniatus, R. nessensis, R. procerus and wild blackberry (R. fruticosus); it causes purple blotch or stem spot disease, also known as dieback of blackberries.

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