Basionym Name:Ovularia asperifolii var. lappulae Davis, Trans. Wis. Acad. Sci. Arts Lett. 18(1): 89 (1915)
Homotypic synonyms:Ramularia lappulae (Davis) Davis, Trans. Wis. Acad. Sci. Arts Lett. 22: 173 (1926)