Basionym: Sorosporium saponariae F. Rudolphi, Linnaea 4: 116, t. 2 (1830) [MB#197524] Obligate synonyms: - Ustilago rudolphii Tul. & C. Tul., Annales des Sciences Naturelles Botanique 7: 99 (1847) [MB#154047] - Schizoderma saponariae (F. Rudolphi) Fr., Systema Mycologicum 3: 477 (1832) [MB#210890] Taxonomic synonyms: - Caeoma schlechtendalii Klotzsch, Herbarium vivum mycologicum sistens fungorum per totam Germaniam crescentium collectionem perfectam Cent. 1: no. 87 (1832) [MB#213949] - Microbotryum rudolphii (Tul. & C. Tul.) Lév.: 787 (1849) [MB#249233] - Ustilago rudolphi Tul. & C. Tul. (1847) [MB#547235]