Forster, P.I. (9 September 1992), Five new species of Plectranthus L. Herit (Lamiaceae) from Queensland. Austrobaileya 3(4): 731, Fig. 1I, J APC [tax. nov.]

• Type: "Queensland. WIDE BAY DISTRICT: Mudlow Gap, Beauty Spot 11, Timber Reserve 26, 8 km N of Kilkivan, 21 February 1989, P.I.Forster 4977 (holo: BRI; iso: CANB,K,MO)."

• APC Dist.: Qld

• Etymology: "The specific epithet omissus alludes to the overlooked nature of the species, both from its late discovery and from my initial reluctaance to acknowledge its uniqueness."

Threatened Species and Communities Section, Biodiversity Group, Environment Australia (8 July 1998), Endangered Species Protection Act 1992. Schedules 1, 2 & 3: 10 [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: 80 [basionym]

basionym of: Coleus omissus (P.I.Forst.) P.I.Forst. 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 omissus (P.I.Forst.) P.I.Forst. legitimate

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