Ramularia rubella

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. [1]

Ramularia rubella
Leaf with several yellow-brown spots embedded within a larger reddish-purple spot
Ramularia rubella on a Rumex leaf
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Dothideomycetes
Order: Capnodiales
Family: Mycosphaerellaceae
Genus: Ramularia
Species:
R. rubella
Binomial name
Ramularia rubella
(Bonord.) Nannf.

References
  1. Videira, S.I.R.; Gronenewald, J.Z.; Braun, U.; Shin, H.D.; Crous, P.W. "All that glitters is not Ramularia". Studies in Mycology. 83: 49–163.
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