Linnaeus, C. (1 May 1753), Species Plantarum 1: 226 [tax. nov.]

• Type: (not designated).

Linnaeus, C. (1754), Genera Plantarum Edn. 5: 107 [secondary reference]

Labillardière, J.J.H. de (September 1805), Novae Hollandiae Plantarum Specimen 1(9-10): 72 [secondary reference]

Hitchcock, A.S. in Ramsbottom, J., Wilmott, A.J., Wakefield, E.M. & Sprague, T.A. (ed.) (August 1929), The application of Linnean generic names to be determined by means of specified Standard-species. Nomenclature: Proposals by British Botanists: 138 [secondary reference]

• Lectotype: Swertia perennis L.

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - APC [secondary reference]

• APC Comment: A northern hemisphere taxon, recorded in an Australian context only as the parent of Swertia parnassifolia Labill. Swertia parnassifolia is now treated as Ornduffia parnassifolia (Labill.) Tippery & Les (Menyanthaceae) in Australia.

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