Three species of fungi from the genus Phyllosticta cause leaf spots on safflower (safflower). Two of the three species are homonyms, their name is identical to the name of another species. These two homonyms are illegitimate. Based on morphological characteristics, two of the three species are combined into one species and all three are transferred to the genus Phoma.
Original publication: Phoma carthami-tinctorii nom. nov. and Phoma carthamicola nom. nov. on safflower.