Basionym Name:Peronospora australis Speg., Anal. Soc. cient. argent. 12(2): 81 (1881)
Homotypic synonyms:Plasmopara australis (Speg.) Burrill, in Swingle, Trans. Kansas Acad. Sci. 11: 72 (1890)Rhysotheca australis (Speg.) G.W. Wilson, Bull. Torrey bot. Club 34: 406 (1907)