Curtis, W.M. (1967), Angiospermae: Plumbaginaceae to Salicaceae. The Student's Flora of Tasmania 3: 530, 650 [tax. nov.]

• Type: "Port Davey, Tasmania, leg. Denison King, 23.11.1966 (Herb. Kew, Isotypus in HO)."

Stones, M. & Curtis, W.M. (1978), The Endemic Flora of Tasmania 6: 477 [basionym]

basionym of: Euphrasia gibbsiae subsp. kingii (W.M.Curtis) W.R.Barker legitimate

Barker, W.R. (29 September 1982), Taxonomic studies in Euphrasia L. (Scrophulariaceae). A revised infrageneric classification, and a revision of the genus in Australia. Journal of the Adelaide Botanic Gardens 5: 124 [nomenclatural synonym]

nomenclatural synonym of: Euphrasia gibbsiae subsp. kingii (W.M.Curtis) W.R.Barker legitimate

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

nomenclatural synonym of: Euphrasia gibbsiae subsp. kingii (W.M.Curtis) W.R.Barker legitimate

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 76 [nomenclatural synonym]

nomenclatural synonym of: Euphrasia gibbsiae subsp. kingii (W.M.Curtis) W.R.Barker legitimate

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