Ching, R.C. (1938), Bulletin of the Fan Memorial Institute of Biology; Botany 8: 192 [comb. nov.]

basionym: Polypodium unitum L. legitimate

Holttum, R.E. (1979), Sphaerostephanos (Thelypteridaceae) in Asia excluding Malesia. Kew Bulletin 34(2): 228 [nomenclatural synonym]

nomenclatural synonym of: Sphaerostephanos unitus (L.) Holttum legitimate

Bostock, P.D. in McCarthy, P.M. (ed.) (1998), Thelypteridaceae. Flora of Australia 48: 354 [nomenclatural synonym]

nomenclatural synonym of: Sphaerostephanos unitus (L.) Holttum legitimate

Fawcett, S.E. & Smith, A.R. (11 October 2021), A Generic Classification of the Thelypteridaceae. Sida, botanical miscellany 59: 88 [nomenclatural synonym]

nomenclatural synonym of: Strophocaulon unitum (L.) S.E.Fawc. & A.R.Sm. legitimate

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