Nuttall, T. (1821), Journal of the Academy of Natural Sciences of Philadelphia 2: 118 [tax. nov.]

• Type: "In the arid and partly denuded prairies of the Red River."

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 172 [secondary reference]

Anonymous (1984), Annual Report for 1983/84. Annual Report of the Botany Branch and the Queensland Herbarium: 22 [secondary reference]

Thompson, J. in George, A.S. (ed.) (1990), Onagraceae. Flora of Australia 18: 220, Map 310 APC [secondary reference]

• APC Dist.: Qld (naturalised), NSW (doubtfully naturalised)

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