Aston, H.I. (25 February 1969), The genus Villarsia (Menyanthaceae) in Australia. Muelleria 2(1): 53, figs 32-34 [tax. nov.]

• Type: "(Sd) Ca. 4 miles direct line E.S.E of Myponga, between Myponga and Hindmarsh Valley, H.I.Aston 1531, 18.12.1966 (MEL20485). Isotypes – AD, NSW, K."

Aston, H.I. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Menyanthaceae. Flora of Victoria 4: 383, 385 [secondary reference]

common name: Lax Marsh-flower [n/a]

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [secondary reference]

misapplication: Villarsia parnassifolia (Labill.) R.Br. legitimate by Black, J.M. & Robertson, E.L. (1957), Flora of South Australia Edn. 2, 4: 693-694

• APC Dist.: SA, Vic

Tippery, N.P. & Les, D.H. (2009), A new genus and new combinations in Australian Villarsia (Menyanthaceae). Novon 19: 410 [basionym]

basionym of: Ornduffia umbricola (Aston) Tippery & Les legitimate

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Ornduffia umbricola (Aston) Tippery & Les legitimate

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 54 [nomenclatural synonym]

nomenclatural synonym of: Ornduffia umbricola (Aston) Tippery & Les legitimate

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