Basionym Name:Phytophthora polygoni Sawada, Rep. Dept Agric., Govern. Res. Inst. Formosa, Spec. Bull. Agric. Exp. Station Formosa 2: 32 (1922)
Homotypic synonyms:Kawakamia polygoni (Sawada) Sawada, Agric. Mag., Formosa 38(5): 355 (1942)