Braun, A.K.H. (1870), Monatsberichte der Koniglich Preussischen Akademie der Wissenschaften zu Berlin 1870: 732 [tax. nov.]

• Type: "Ostaustralien: Queensland, am Brisbane River (F.v. Müller 1855 in herb. Hook.)."

Domin, K. (January 1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 216 [basionym]

basionym of: Marsilea hirsuta var. exarata (A.Braun) Domin legitimate

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 218 [secondary reference]

Aston, H.I. (1973), Aquatic Plants of Australia: 58 [secondary reference]

Chinnock, R.J. & Henshall, T.S. in Jessop, J.P. (ed.) (1981), Pteridophyta. Flora of Central Australia: 13 [secondary reference]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 33, Fig. 3c [secondary reference]

common name: Swayback Nardoo [n/a]

Green, J.W. (1981), Census of the Vascular Plants of Western Australia: 4 [secondary reference]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 2 [secondary reference]

Green, J.W. (18 October 1987), Census of the Vascular Plants of Western Australia Edn. 2, Suppl. 5: 16 [secondary reference]

orthographic variant: Marsilea exareta J.W.Green orth. var.

Wilson, Peter G. in Harden, G.J. (ed.) (1990), Marsileaceae. Flora of New South Wales 1: 70 [secondary reference]

Jones, D.L. in McCarthy, P.M. (ed.) (1998), Marsileaceae. Flora of Australia 48: 172, Map 144 APC [secondary reference]

nomenclatural synonym: Marsilea hirsuta var. exarata (A.Braun) Domin legitimate taxonomic synonym: Marsilea paradoxa Diels legitimate common name: Swayback Nardoo [n/a]

• APC Comment: Included in M. hirsuta in the NT.
• APC Dist.: WA, NT, SA, Qld, NSW

Wilson, Peter G. in Harden, G.J. (ed.) (2000), Marsileaceae. Flora of New South Wales Revised Edition 1: 70 [secondary reference]

Tindale, M.D. & Roy, S.K. (23 December 2002), A cytotaxonomic survey of the Pteridophyta of Australia. Australian Systematic Botany 15(6): 850 [secondary reference]

Short, P., Dixon, D. & Osterkamp Madsen, M. (2003), A review of the ferns and fern allies of the Northern Territory. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 19(3): 28 [taxonomic synonym]

taxonomic synonym of: Marsilea hirsuta R.Br. 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): 32 [secondary reference]

• Type: "Brisbane River, Qld, 1855, F.Mueller (holo: K 001092635*)."

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