Holland, A.E. in Henderson, R.J.F. (ed.) (1997), Boraginaceae. Queensland Plants: Names and Distribution: 36 [primary reference]

Halford, D.A. in Henderson, R.J.F. (ed.) (2002), Boraginaceae. Names and Distribution of Queensland Plants, Algae and Lichens: 35 [secondary reference]

Council of Heads of Australasian Herbaria (2007), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Halgania cyanea var. Charleville (R.W.Purdie+ 111) CHAH [n/a]

Thompson, E.J. in Bostock, P.D. & Holland, A.E. (ed.) (2007), Boraginaceae. Census of the Queensland Flora 2007: 34 [secondary reference]

Thompson, E.J. in Bostock, P.D. & Holland, A.E. (ed.) (8 December 2010), Boraginaceae. Census of the Queensland Flora 2010: 29 [secondary reference]

Thompson, E.J. in Bostock, P.D. & Holland, A.E. (ed.) (23 July 2013), Boraginaceae. Census of the Queensland Flora: - [secondary reference]

Thompson, E.J. in Bostock, P.D. & Holland, A.E. (ed.) (August 2016), Boraginaceae. Census of the Queensland Flora: - [secondary reference]

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