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Puccinia horiana-infected leaf, top and bottom
Image provided courtesy of Oregon Dept. of Agriculture

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Lower surface of Puccinia horiana-infected chrysanthemum leaf, showing buff pink pustules
Photo: Agriculture and Agri-food Canada, Research Branch, Ottawa

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Puccinia horiana-infected chrysanthemum plant
Photo: Agriculture and Agri-food Canada, Research Branch, Ottawa

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Mature white pustules found on lower surface of Puccinia horiana-infected leaf
Photo: Agriculture and Agri-food Canada, Research Branch, Ottawa