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.
Ramularia leaf spot fungus (Ramularia rubella) on curly dock (Rumex crispus) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
23668 FM 1155, Washington, TX 77880, USA
Close-up of Ramularia leaf spot fungus (Ramularia rubella) on curly dock (Rumex crispus) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 202123668 FM 1155, Washington, TX 77880, USAMushroom Observer and Facebook for learning names of local mushrooms.
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