Cambessedes, J. in Saint-Hilaire, A.F.C.P. de (1830), Flora Brasiliae Meridionalis Edn. quarto, 2: 269 [tax. nov.]

• Type: "Ad margines sylvarum prope urbem Rio Pardo in provinciâ Rio Grande de S. Pedro do Sul. Florebat Aprili."

Black, J.M. (1933), Additions to the Flora of South Australia. No. 31. Transactions and proceedings of the Royal Society of South Australia 57: 155 [secondary reference]

Black, J.M. (1952), Flora of South Australia Edn. 2, 3: 638, Fig. 864 [secondary reference]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 173 [secondary reference]

Dietrich, W. (1977), The South American species of Oenothera sect. Oenothera (Raimannia, Renneria; Onagraceae). Annals of the Missouri Botanical Garden 64(3): 524-530 [secondary reference]

taxonomic synonym: Oenothera diplotricha Domin legitimate

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 534 [secondary reference]

common name: Long-flowered Evening Primrose [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 171 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 133 [secondary reference]

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Onagraceae. Flora of South-eastern Queensland 2: 225-226 [secondary reference]

common name: Long Flower Evening Primrose [n/a]

Bennett, E.M. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Onagraceae. Flora of the Perth Region 1: 432 [secondary reference]

common name: Longflower Evening Primrose [n/a]

Thompson, J. in George, A.S. (ed.) (1990), Onagraceae. Flora of Australia 18: 222, Map 315 [secondary reference]

taxonomic synonym: Oenothera diplotricha Domin legitimate misapplication: Oenothera longiflora L. legitimate by Bailey, F.M. (1900), The Queensland Flora 2: 681 misapplication: Oenothera longiflora L. legitimate by Black, J.M. (December 1926), Meliaceae - Scrophulariaceae. Flora of South Australia 3: 427

Dalby, J.M. in Harden, G.J. (ed.) (1991), Onagraceae. Flora of New South Wales 2: 207 [secondary reference]

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 206 [secondary reference]

misapplication: Oenothera biennis L. legitimate by Maiden, J.H. (1904), The Flora of Norfolk Island. Part i. Proceedings of the Linnean Society of New South Wales 28(4): 764

Dalby, J.M. in Harden, G.J. (ed.) (2002), Onagraceae. Flora of New South Wales Revised Edition 2: 242-243 [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 726 [secondary reference]

common name: Longflower Evening Primrose [n/a]

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

taxonomic synonym: Oenothera diplotricha Domin legitimate misapplication: Oenothera biennis L. legitimate by Maiden, J.H. (1904), The Flora of Norfolk Island. Part i. Proceedings of the Linnean Society of New South Wales 28(4): 764 misapplication: Oenothera longiflora L. legitimate by Black, J.M. (December 1926), Meliaceae - Scrophulariaceae. Flora of South Australia 3: 427

• APC Dist.: WA (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), NI (naturalised)

Council of Heads of Australasian Herbaria (2014), Australian Plant Census: - APC [secondary reference]

orthographic variant: Aenothera affinis Cambess. orth. var. taxonomic synonym: Oenothera diplotricha Domin legitimate misapplication: Oenothera biennis L. legitimate by Maiden, J.H. (1904), The Flora of Norfolk Island. Part i. Proceedings of the Linnean Society of New South Wales 28(4): 764 misapplication: Oenothera longiflora L. legitimate by Black, J.M. (December 1926), Meliaceae - Scrophulariaceae. Flora of South Australia 3: 427

• APC Dist.: WA (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), NI (naturalised)

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