Linnaeus, C. (1762), Species Plantarum Edn. 2, 1: 328 [tax. nov.]

• Type: "Habitat in America meridionali."

Mueller, F.J.H. von (1866), Fragmenta Phytographiae Australiae 5(40): 192 [secondary reference]

Bentham, G. (16 December 1868), Flora Australiensis 4: 383 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 99 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 338, Fig. 320 [secondary reference]

Backer, C.A. (December 1951), Hydrophyllaceae. Flora Malesiana Series I 4(3): 209 [secondary reference]

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

• APC Comment: An American taxon, recorded by several authors, but not known to occur in Australia.

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