Boehmer, G.R. (1760), Definitiones Generum Plantarum Edn. 3: 507 [tax. nov.]

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Boraginaceae. Flora of South-eastern Queensland 2: 357 [secondary reference]

Brummitt, R.K. (1992), Vascular Plant Families and Genera: 269 [secondary reference]

taxonomic synonym: Messerschmidia Hebenstr. legitimate

Barker, R.M. & Telford, I.R.H. (1993), Boraginaceae. Flora of Australia 50: 359-360 [secondary reference]

taxonomic synonym: Messerschmidia Hebenstr. legitimate pro parte taxonomic synonym: Tournefortia L. legitimate

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 93 [secondary reference]

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Heliotropium L. legitimate

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 65 [taxonomic synonym]

taxonomic synonym of: Heliotropium L. legitimate

Council of Heads of Australasian Herbaria (2019), Australian Plant Census: - APC [secondary reference]

taxonomic synonym: Messerschmidia Hebenstr. legitimate

• APC Dist.: WA, CoI, ChI, AR, NT, Qld, CSI

---