Morton, C.V. (1959), American Fern Journal 49: 113 [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

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