Fungi: Ascomycota: Dothideomycetes: Capnodiales: Mycosphaerellaceae: Ramularia rubella (Bonord.) Nannf.
Synonyms: Crocisporium rubellum, Crocysporium rubellum, Oidium monosporium, Oidium rubellum, Ovularia canaegricola, Ovularia monosporia, Ovularia obliqua, Ovularia obovata, Ovularia rubella, Ramularia monosporia, Ramularia obovata.
Common names: Ramularia leaf spot, Red Dock Spot.
Extract from Wikipedia article: Ramularia rubella is a plant pathogen in Ascomycota that infects Rumex species. Infection produces reddish spots on leaves. The red color is caused by the production of rubellin, a photodynamic anthraquinone-derived phytotoxin. R. rubella was originally described from Rumex aquaticus in Germany; it has a wide geographic range on Rumex species. It is being investigated as a biological control agent of Rumex obtusifolius.
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