First report of Passalora rosicola, the cause of leaf spots on Rosa multiflora in Brazil

Rosa multiflora is a species broadly used in Brazil as rootstock for the rose industry, nevertheless, little has been investigated on its pathogens. Passalora rosicola was collected in association with a common leaf spot of this host. Here, the fungus is fully described and its pathogenicity to R. multiflora is demonstrated for the first time.