Ruiz Lopez, H. & Pavon, J.A. (1798), Flora Peruvianae, et Chilensis 1: 22, t. 34, Fig. A. [tax. nov.]

• Type: "Habitat in arenosis et cretaceis Huanuci."

Anderson, R.H. (8 August 1939), The naturalised flora of New South Wales (excluding Gramineae). Contributions from the New South Wales National Herbarium 1(1): 28 [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: 414 [secondary reference]

Moldenke, H.N. (1963), Materials towards a monograph of the genus Verbena XIII. Phytologia 9(5): 292-299 [secondary reference]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 569 [secondary reference]

common name: Rough Verbena [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 209 [secondary reference]

Munir, A.A. in Jessop, J.P. (ed.) (1981), Verbenaceae. Flora of Central Australia: 296 [secondary reference]

Gray, M. & Michael, P.W. (1986), List of plants collected at the old Flemington Saleyards, Sydney, New South Wales. Plant Protection Quarterly 1(4): 140 [secondary reference]

Conn, B.J. in Harden, G.J. (ed.) (1992), Verbenaceae. Flora of New South Wales 3: 613 [secondary reference]

common name: Rough Verbena [n/a]

Munir, A.A. (28 May 2002), A taxonomic revision of the genus Verbena L. (Verbenaceae) in Australia. Journal of the Adelaide Botanic Gardens 20: 47-51, Fig. 3, Map 5 [secondary reference]

• Lectotype: H. Ruiz 1/34, "HABITAT in arenosis et cretaceis Huanuci", Peru, 1777 - 1788 (MA, lectotype designated here; BM, G, MA 2 spec., P - isolectotypes).

National Herbarium of New South Wales (2007), PlantNET Flora of New South Wales Online: - APC [secondary reference]

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

O'Leary, N., Mulgura, M.E. & Morrone, O. (2007), Revision taxonomica de las especies del genero Verbena (Verbenaceae): serie Pachystachyae. Annals of the Missouri Botanical Garden 94(3): 587 [secondary reference]

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