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

basionym: Hymenophyllum exiguum Bedd. legitimate nomenclatural synonym: Trichomanes exiguum (Bedd.) Baker legitimate

Croxall, J.P. (1975), The Hymenophyllaceae of Queensland. Australian Journal of Botany 23(3): 540-541 [secondary reference]

nomenclatural synonym: Hymenophyllum exiguum Bedd. legitimate nomenclatural synonym: Trichomanes exiguum (Bedd.) Baker legitimate taxonomic synonym: Trichomanes paradoxum Domin legitimate

Thomas, M.B. & McDonald, W.J.F. (1987), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 1: 11 [secondary reference]

Thomas, M.B. & McDonald, W.J.F. (1989), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 2: 11 [secondary reference]

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

Threatened Species and Communities Section, Biodiversity Group, Environment Australia (8 July 1998), Endangered Species Protection Act 1992. Schedules 1, 2 & 3: 28 [secondary reference]

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

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

Ebihara, A., Dubuisson, J.-Y., Iwatsuki, K., Hennequin, S. & Ito, M. (2006), A taxonomic revision of Hymenophyllaceae. Blumea 51: 236 [secondary reference]

Council of Heads of Australasian Herbaria (2016), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Hymenophyllum exiguum Bedd. legitimate nomenclatural synonym: Trichomanes exiguum (Bedd.) Baker legitimate taxonomic synonym: Trichomanes paradoxum Domin legitimate

• APC Dist.: Qld (presumed extinct)

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): 112-113 [secondary reference]

nomenclatural synonym: Hymenophyllum exiguum Bedd. legitimate taxonomic synonym: Trichomanes paradoxum Domin 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): 20-21 [secondary reference]

nomenclatural synonym: Hymenophyllum exiguum Bedd. legitimate nomenclatural synonym: Trichomanes exiguum (Bedd.) Baker legitimate taxonomic synonym: Trichomanes paradoxum Domin legitimate

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