Pale spots on the upper side of a florist's daisy, <i>Chrysanthemum morifolium,</i> leaf infected with Chrysanthemum white rust, <i>Puccinia horiana.</i>.
Pale spots on the upper side of a florist's daisy, Chrysanthemum morifolium, leaf infected with Chrysanthemum white rust, Puccinia horiana..
Credit: SRPV, Bourgogne, Les Services Regionaux de la Protection des Vegetaux, Bugwood.org