Brand, A. in Engler, H.G.A. (1931), Das Pflanzenreich 97: 135 [tax. nov.]

• Type: Omphalolappula concava (F.Muell.) Brand

Black, J.M. & Robertson, E.L. (1957), Flora of South Australia Edn. 2, 4: 714 [secondary reference]

• Etymology: "A monotypic genus in which the nutlets are intermediate in character between those of Omphalodes and Lappula."

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 90 [secondary reference]

Mitchell, A.S. in Jessop, J.P. (ed.) (1981), Boraginaceae (except Halgania). Flora of Central Australia: 293 [secondary reference]

Wilson, Peter G. in Harden, G.J. (ed.) (1992), Boraginaceae. Flora of New South Wales 3: 391 [secondary reference]

Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Boraginaceae. Flora of Victoria 4: 393 APC [secondary reference]

• APC Dist.: WA, NT, SA, Qld, NSW, Vic

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 601 [secondary reference]

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