Puccinia purpurea is a fungal species and plant pathogen that causes rust on sorghum.

It is found in temperate places worldwide, excluding colder parts such as Russia and Canada.

[2] The pathogen was discovered in 1876 by Cooke,[3] on the leaves of Sorghum vulgare in Maharashtra, India.

[4] P. purpurea is also native to eastern Australia, except Queensland.

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