Windler, D.R. (1966), A revision of the genus Neptunia (Leguminosae). Australian Journal of Botany 14(3): 416, fig. 19 [autonym]

taxonomic synonym: Neptunia gracilis var. villosula Benth. legitimate

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 238 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 151 [secondary reference]

taxonomic synonym: Neptunia gracilis var. villosula Benth. legitimate taxonomic synonym: Neptunia depauperata Merr. legitimate

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 51 [secondary reference]

Cowan, R.S. in McCarthy, P.M. (ed.) (1998), Mimosaceae. Flora of Australia 12: 24-25, Map 23 [secondary reference]

taxonomic synonym: Neptunia gracilis var. villosula Benth. legitimate taxonomic synonym: Neptunia depauperata Merr. legitimate

Murray, L. in Harden, G.J. (ed.) (2002), Neptunia. Flora of New South Wales Revised Edition 2: 380 [secondary reference]

Jessup, L.W. (2003), Flora of South-eastern Queensland Volume 1 Changes to names or status of taxa: - [secondary reference]

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Neptunia gracilis Benth. var. gracilis legitimate nomenclatural synonym: Neptunia gracilis var. typica Domin nom. inval. taxonomic synonym: Neptunia gracilis var. villosula Benth. legitimate taxonomic synonym: Neptunia depauperata Merr. legitimate

• APC Dist.: WA, NT, SA, Qld, NSW

Bean, A.R. (16 November 2022), A revision of Neptunia Lour. (Leguminosae: subfamily Caesalpinioideae, Mimosoid clade) in Australia and Malesia. Austrobaileya 12: 72 [nomenclatural synonym]

nomenclatural synonym of: Neptunia gracilis Benth. legitimate

Percy-Bower, J.M. & Parker, C.M. (21 March 2023), Updates to Western Australia’s vascular plant census for 2022. Nuytsia 34: 14 [secondary reference]

• Text: "Excluded taxon. This taxon does not occur in WA. See Bean (2022) [Bean, A.R. (2022). Austrobaileya 12: 59–106.]"

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