The present invention relates to white rust resistant plants of the genus Chrysanthemum and to seeds, plant parts, plant cells and progeny thereof. The present invention further relates to means, and particularly molecular markers for identifying white rust resistant plants of the genus Chrysanthemum. Specifically, the present invention relates to plants belonging to the genus Chrysanthemum, wherein the plants are resistant to white rust and the plants comprise in their genome at least one white rust resistance gene, the at least one white rust resistance gene is genetically linked to a genomic nucleic acid sequence comprised in the genome of the present plants and is represented by SEQ ID No. 1 or SEQ ID No. 2.