Bayly, M.J.; Kellow, A.V. 2006: An Illustrated Guide to New Zealand Hebes. Te Papa Press, Wellington. [as Hebe cookiana (Colenso) Cockayne & Allan; Hebe macroura (Hook.f. ex Benth.) Cockayne & Allan; Hebe stricta var. macroura (Hook.f. ex Benth.) L.B.Moore; Veronica cookiana Colenso; Veronica macroura Hook.f. ex Benth.; Veronica macroura var. cookiana (Colenso) Cheeseman]
Cheeseman, T.F. 1906: Manual of the New Zealand Flora. Government Printer, Wellington.
Cockayne, L.; Allan, H.H. 1926: The present taxonomic status of the New Zealand species of Hebe. Transactions of the New Zealand Institute 57: 11–47.
Colenso, W. 1888: On new Phænogamic plants of New Zealand. Transactions and Proceedings of the New Zealand Institute 20: 188–211.
de Candolle, A.P. 1846: Prodromus Systematis Naturalis Regni Vegetabilis. Vol. 10. Treuttel et Würtz, Paris.
de Lange, P.J.; Rolfe, J.R.; Barkla J.W.; Courtney, S.P.; Champion, P.D.; Perrie, L.R.; Beadel, S.N.; Ford, K.A.; Breitwieser, I.; Schönberger, I.; Hindmarsh-Walls, R.; Heenan, P.B.; Ladley, K. 2018: Conservation status of New Zealand indigenous vascular plants, 2017. New Zealand Threat Classification Series. No. 22. [Taxonomically indistinct]
de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [as Hebe stricta var. macroura (Hook.f. ex Benth.) L.B.Moore] [Not Threatened]
Garnock-Jones, P.J.; Albach, D.; Briggs, B.G. 2007: Botanical names in Southern Hemisphere Veronica (Plantaginaceae): sect. Detzneria, ect. Hebe, and sect. Labiatoides. Taxon 56: 571–582.