Planchon, J.E. (1848), Sur la famille des Droséracées. Annales des Sciences Naturelles; Botanique ser. 3, 9: 299 [tax. nov.]

• Type: "Cum praecedente; Drummond in herb. Hook. et. Soc. Linn. Londres."

Bentham, G. (5 October 1864), Flora Australiensis 2: 468 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 8 [secondary reference]

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 13 [secondary reference]

Marchant, N.G. & George, A.S. in George, A.S. (ed.) (1982), Drosera. Flora of Australia 8: 33 [taxonomic synonym]

taxonomic synonym of: Drosera microphylla Endl. legitimate

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Drosera microphylla Endl. legitimate

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

taxonomic synonym of: Drosera microphylla Endl. legitimate

Lowrie, A. (2014), Appendix. Carnivorous Plants of Australia Magnum Opus 3: 1277-1278 [secondary reference]

taxonomic synonym: Drosera calycina var. minor Benth. legitimate taxonomic synonym: Drosera microphylla var. macropetala Diels legitimate

• Etymology: "The epithet, calycina, is dervied from the Latin calycinus (with a well developed calyx), referring to the fact that the flower's sepals are larger than its petals."

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Drosera calycina Planch. var. calycina legitimate taxonomic synonym: Drosera calycina var. minor Benth. legitimate taxonomic synonym: Drosera microphylla var. macropetala Diels legitimate

• APC Dist.: WA

Percy-Bower, J.M. & Parker, C.M. (28 March 2019), Updates to Western Australia’s vascular plant census for 2018. Nuytsia 30: 2 [secondary reference]

• Text: "New record for WA. See Lowrie (2014). [Lowrie, A (2014), Appendix. Carnivorous Plants of Australia Magnum Opus 3: 1277]."

Krueger, T., Robinson, A., Bourke, G. & Fleischmann, A. (16 January 2023), Small leaves, big diversity: citizen science and taxonomic revision triples species number in the carnivorous Drosera microphylla complex (D. Section Ergaleium, Droseraceae). Biology 12(1), 141: 12-17, Figs 3 (map), 4B, 5B, 6 [secondary reference]

• Lectotype: "(here designated) [AUSTRALIA. Western Australia:] Swan River, without date [likely part of the Drummond I collection, hence a collection date between 1839 and 1841 is probable ... ], J. Drummond n. 1 (left individual of K000215039! isolectotype: right individual of K000215039! [both individuals mounted on the same sheet as K000215091 (not a type)])."

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