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: 60 [comb. nov.]

basionym: Plectranthus intraterraneus S.T.Blake 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 intraterraneus S.T.Blake legitimate

Parker, C.M. & Percy-Bower, J.M. (10 December 2019), Updates to Western Australia’s vascular plant census for 2019. Nuytsia 30: 347 [secondary reference]

nomenclatural synonym: Plectranthus intraterraneus S.T.Blake legitimate

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