Vatke, (G.C.)W. (1872), Labiatae abyssinaeae collectionis nuperrimae schimperianae enumeratae. Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde 37: 318-319 [comb. nov.]

basionym: Plectranthus caninus Roth legitimate taxonomic synonym: Coleus spicatus Benth. nom. illeg.

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: 32 [secondary reference]

nomenclatural synonym: Plectranthus caninus Roth 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 [secondary reference]

nomenclatural synonym: Plectranthus caninus Roth legitimate

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