Berchtold, F.W. von & Opiz, P.M. in Berchtold, F.W. von, Seidl, W.B., Opiz, P.M. & Fieber, F.X. (1839), Oekonomisch-technische Flora Böhmens 2(2): 146 [tax. nov.]

Weigend, M., Selvi, F., Thomas, D.C. & Hilger, H.H. in Kadereit, J.W. & Bittrich, V. (ed.) (2016), Boraginaceae. The Families and Genera of Vascular Plants 14: 90 [secondary reference]

taxonomic synonym: Embadium J.M.Black legitimate taxonomic synonym: Austrocynoglossum Popov ex R.R.Mill legitimate

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

taxonomic synonym: Austrocynoglossum Popov ex R.R.Mill legitimate

• APC Dist.: WA, SA, Qld, NSW, ACT, Vic, Tas

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