Gibert, J.E. (1873), Enumeratio Plantarum Sponte Nascentium Agro Montevidensi: 44 [comb. nov.]

basionym: Lippia geminata Kunth legitimate

Munir, A.A. (23 July 1993), A taxonomic revision of the genus Lippia [Houst. ex] Linn. (Verbenaceae) in Australia. Journal of the Adelaide Botanic Gardens 15(2): 135 [taxonomic synonym]

taxonomic synonym of: Lippia alba (Mill.) N.E.Br. ex Britton & P.Wilson var. alba legitimate

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

orthographic variant: Zapania geminata Gibert orth. var.

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

taxonomic synonym of: Lippia alba (Mill.) N.E.Br. ex Britton & P.Wilson legitimate

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