Cambridge, M.L. & Kuo, J. (1979), Two new species of seagrasses from Australia, Posidonia sinuosa and P. angustifolia (Posidoniaceae). Aquatic Botany 6: 309-312, Figs 2, 5, 8, 11, 13, 14, 16, 18, 20 (left), Tables II & III [tax. nov.]

• Type: "HOLOTYPE: Western Australia, Point Atwick, Garden Is., 20 Nov. 1971, M.L. Cambridge, Depth 3 m, in small bay sheltered by limestone reef. (holo: PERTH)."

Robertson, E.L. in Womersley, H.B S. (1984), Seagrasses. The marine benthic flora of southern Australia 1: 92, Figs 24, 25, 26 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 28 [secondary reference]

Rye, B.L. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Posidoniaceae. Flora of the Perth Region 2: 729 [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Flora of the South West 1: 440 [secondary reference]

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

pro parte misapplication: Posidonia australis Hook.f. legitimate by Aston, H.I. (1973), Aquatic Plants of Australia: 270-274 pro parte misapplication: Posidonia australis Hook.f. legitimate by Jessop, J.P. in Black, J.M. (1978), Flora of South Australia Edn. 3, 1: 77

• APC Dist.: WA, SA

Kuo, J. in Wilson, A.J.G. (ed.) (2011), Posidoniaceae. Flora of Australia 39: 115-116, Fig. 26 [secondary reference]

---