Craven, L.A. (13 September 1996), A taxonomic revision of Heliotropium (Boraginaceae) in Australia. Australian Systematic Botany 9(4): 587-588, Fig. 43 (map) [tax. nov.]

• Type: Australia. Queensland: Headingly, about 48 km N of Urandangie, 2 Dec. 1947, Everist 3311 (BRI, holo.; CANB, iso.).

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

nomenclatural synonym: Heliotropium sp. Urandangie (S.L.Everist 3311) Qld Herbarium [n/a]

• APC Dist.: WA, Qld

Frohlich, M.W., Thulin, M. & Chase, M.W. (24 February 2020), Ninety-three new combinations in Euploca for species of Heliotropium section Orthostachys (Boraginaceae sensu APG). Phytotaxa 434(1): 15 [basionym]

basionym of: Euploca chalcedonia (Craven) M.W.Frohl. & M.W.Chase legitimate

Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Euploca chalcedonia (Craven) M.W.Frohl. & M.W.Chase legitimate

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