Aecidium violaceum Trel., (1904) Nigredo geranii (DC.)

Arthur, (1926) Uredo geranii DC., (1806) Uromyces puccinioides Rabenh., (1851) Puccinia pelargonii-zonalis is a fungal species and plant pathogen that causes rust on Pelargonium geraniums.

[2] It was originally found on the leaves of Pelargonium zonale in KwaZulu-Natal, South Africa.

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