Taylor, G. (1936), Journal of Botany, British and Foreign 74: 39 [comb. nov.]

basionym: Plectranthus longicornis F.Muell. legitimate

Keng, W. (1978), Labiatae. Flora Malesiana Series I 8(3): 368 [secondary reference]

nomenclatural synonym: Plectranthus longicornis F.Muell. legitimate

Hyland, B.P.M., Gray, B. & Elick, R.W. in Cooper, W.E. & Cooper, W.T. (1994), Appendix I: Provisional Species List. Fruits of the Rainforest: 305 [secondary reference]

Paton, A.J. (1997), Classification and species of Platostoma and its relationship with Haumaniastrum (Labiatae). Kew Bulletin 52(2): 280 [nomenclatural synonym]

nomenclatural synonym of: Platostoma longicorne (F.Muell.) A.J.Paton legitimate

Forster, P.I. in Henderson, R.J.F. (ed.) (2002), Lamiaceae. Names and Distribution of Queensland Plants, Algae and Lichens: 94 [secondary reference]

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Platostoma longicorne (F.Muell.) A.J.Paton legitimate

---