Blake, S.T. (1971), A revision of Plectranthus (Labiatae) in Australasia. Contributions from the Queensland Herbarium 9: 49-50, Figs 2O, 4E, 24, 32 APC [tax. nov.]

• Type: "Ex planta in Walsh's Pyramid in Queensland a R.F.Thorne lecta in Brisbane culta, Blake 21192 (BRI 100723–4): isotypi distribuendi."

• APC Dist.: Qld

Forster, P.I. (9 September 1992), Five new species of Plectranthus L. Herit (Lamiaceae) from Queensland. Austrobaileya 3(4): 736 [secondary reference]

Threatened Species and Communities Section, Biodiversity Group, Environment Australia (8 July 1998), Endangered Species Protection Act 1992. Schedules 1, 2 & 3: 24 [secondary reference]

Hyland, B.P.M., Whiffin, T.P., Christophel, D.C., Gray, B., Elick, R.W. & Ford, A.J. (1999), Australian tropical rain forest trees and shrubs. Australian tropical rain forest trees and shrubs: 68 [secondary reference]

Forster, P.I. in Henderson, R.J.F. (ed.) (2002), Lamiaceae. Names and Distribution of Queensland Plants, Algae and Lichens: 96 [secondary reference]

Paton, A.J., Mwanyambo, M., Govaerts, R.H.A., Smitha, K., Suddee, S., Phillipson, P.B., Wilson, T.C., Forster, P.I. & Culham, A. (23 August 2019), Nomenclatural changes in Coleus and Plectranthus (Lamiaceae): a tale of more than two genera. Phytokeys 129: 53 [basionym]

basionym of: Coleus gratus (S.T.Blake) P.I.Forst. & T.C.Wilson legitimate

Brown, G.K. & Bostock, P.D. (December 2019), Appendix A: New names and name and status changes 2018 to 2019. Introduction to the Census of the Queensland Flora 2019: 9 [nomenclatural synonym]

nomenclatural synonym of: Coleus gratus (S.T.Blake) P.I.Forst. & T.C.Wilson legitimate

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