Beddome, R.H. (1868), The Ferns of British India 2(18-20): t. 278 [tax. nov.]

Hooker, W.J. & Baker, J.G. (1874), Synopsis Filicum Edn. 2: 78 [basionym]

basionym of: Trichomanes exiguum (Bedd.) Baker legitimate

Copeland, E.B. (1938), Genera Hymenophyllacearum. Philippine Journal of Science 67: 78 [basionym]

basionym of: Didymoglossum exiguum (Bedd.) Copel. legitimate

Croxall, J.P. (1975), The Hymenophyllaceae of Queensland. Australian Journal of Botany 23(3): 540 [nomenclatural synonym]

nomenclatural synonym of: Didymoglossum exiguum (Bedd.) Copel. legitimate

Bostock, P.D. & Spokes, T.M. in McCarthy, P.M. (ed.) (1998), Hymenophyllaceae. Flora of Australia 48: 120 [nomenclatural synonym]

nomenclatural synonym of: Trichomanes exiguum (Bedd.) Baker legitimate

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Trichomanes exiguum (Bedd.) Baker legitimate

Council of Heads of Australasian Herbaria (2016), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Didymoglossum exiguum (Bedd.) Copel. legitimate

Field, A.R. & Renner, M.A.M. (31 May 2019), Rediscovered or reconsidered: the presumed extinct ferns and lycophytes of tropical Queensland, Australia. Australian Systematic Botany 32(2,3): 112 [secondary reference]

• Type: "Wynaad and Coorg, [India], R.H.Beddome (holo: K 001090183!)."

Field, A.R. & Renner, M.A.M. (31 May 2019), Rediscovered or reconsidered: the presumed extinct ferns and lycophytes of tropical Queensland, Australia. Australian Systematic Botany 32(2,3): 112 [nomenclatural synonym]

nomenclatural synonym of: Didymoglossum exiguum (Bedd.) Copel. legitimate

Field, A.R. (2 January 2020), Classification and typification of Australian lycophytes and ferns based on Pteridophyte Phylogeny Group classification PPG I. Australian Systematic Botany 33(1): 20 [secondary reference]

• Type: "Wynaad and Coorg, [India], s. dat., R.H.Beddome s.n. (holo: K 001090183*)."

Field, A.R. (2 January 2020), Classification and typification of Australian lycophytes and ferns based on Pteridophyte Phylogeny Group classification PPG I. Australian Systematic Botany 33(1): 20 [nomenclatural synonym]

nomenclatural synonym of: Didymoglossum exiguum (Bedd.) Copel. legitimate

---