Endlicher, S.F.L. in Endlicher, S.F.L., Fenzl, E., Bentham, G. & Schott, H.W. (April 1837), Droseraceae. Enumeratio plantarum quas in Novae Hollandiae ora austro-occidentali ad fluvium Cygnorum et in Sinu Regis Georgii collegit Carolus liber baro de Hügel: 6 [tax. nov.]

• Type: "King Georges Sound. (Hügel.)"

Bentham, G. (5 October 1864), Flora Australiensis 2: 467 [secondary reference]

Erickson, R. (1968), Plants of Prey in Australia: 39 [secondary reference]

Marchant, N.G. & George, A.S. in George, A.S. (ed.) (1982), Drosera. Flora of Australia 8: 33-34, Map 30 [secondary reference]

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

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 81 [secondary reference]

Marchant, N.G. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Droseraceae. Flora of the Perth Region 1: 151 [secondary reference]

Chrtek, J. & Slavikova, Z. (2000), Genera and families of the Droserales order. Novitates Botanicae ex Universitate Carolina 13: 44 [basionym]

basionym of: Sondera microphylla (Endl.) Chrtek & Slavikova legitimate

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 228 [secondary reference]

common name: Golden Rainbow [n/a]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 583 [secondary reference]

common name: Golden Rainbow [n/a]

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

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

• APC Dist.: WA

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

nomenclatural synonym: Drosera microphylla Endl. var. microphylla legitimate nomenclatural synonym: Sondera microphylla (Endl.) Chrtek & Slavikova legitimate taxonomic synonym: Drosera calycina Planch. legitimate taxonomic synonym: Drosera calycina var. minor Benth. legitimate taxonomic synonym: Drosera calycina Planch. var. calycina legitimate taxonomic synonym: Drosera microphylla var. macropetala Diels legitimate

• APC Dist.: WA

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

nomenclatural synonym: Drosera microphylla Endl. var. microphylla legitimate nomenclatural synonym: Sondera microphylla (Endl.) Chrtek & Slavikova legitimate

• APC Dist.: WA

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: 34-38, Figs 3 (map), 4G, 5F, 14 [secondary reference]

• Type: "AUSTRALIA. Western Australia: King Georges [George] Sound, without date [likely collected in 1833 or 1834], C.A.A. von Hügel s.n. (W 0009732!)."

nomenclatural synonym: Sondera microphylla (Endl.) Chrtek & Slavikova legitimate

• Etymology: "The specific epithet is derived from the Greek micros (=small) and phyllon (=leaf), referring to the small leaves of this species."

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