Basionym Name:Phytophthora cyperi-rotundati Sawada, Rep. Dept Agric., Govern. Res. Inst. Formosa, Spec. Bull. Agric. Exp. Station Formosa 27: 26 (1927)
Homotypic synonyms:Kawakamia cyperi-rotundati (Sawada) Sawada, Agric. Mag., Formosa 38(5): 355 (1942)