Drechsler, C. (1930), Some new species of Pythium. Journal of the Washington Academy of Sciences 20: 413 [tax. nov.]

Uzuhashi, S., Tojo, M. & Kakishima, M. (2010), Phylogeny of the genus Pythium and description of new genera. Mycoscience 51 (5): 360 [basionym]

basionym of: Ovatisporangium helicoides (Drechsler) Uzuhashi, Tojo & Kakish. legitimate

De Cock, A.W.A.M., Lodhi, A.M., Rintoul, T.L. et al. (30 October 2014), Phytopythium: molecular phylogeny and systematics. Persoonia 34: 37 [basionym]

basionym of: Phytopythium helicoides (Drechsler) Abad, De Cock, K.Bala, Robideau, A.M.Lodhi & Lévesque legitimate

AusFungi (2019), AusFungi 21 Jan. 2019: - [nomenclatural synonym]

nomenclatural synonym of: Ovatisporangium helicoides (Drechsler) Uzuhashi, Tojo & Kakish. legitimate

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