Domin, K. (1926), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 743 [tax. nov.]

• Type: "Queensland: Grassflächen der Rolling Downs zwischen Hughenden und Mt. Walker (DOMIN II. 1910)."

Wilson, Peter G. & Rowe, R. (21 July 2004), A revision of the Indigofereae (Fabaceae) in Australia. 1. Indigastrum and the simple or unifoliolate species of Indigofera. Telopea 10(3): 659 [secondary reference]

• Lectotype: (designated here): Locis graminosis in collibus Rolling Downs inter opp. Hughenden et Mt. Walker, Domin 4532, Feb. 1910 (PR 527209).

Wilson, Peter G. & Rowe, R. (21 July 2004), A revision of the Indigofereae (Fabaceae) in Australia. 1. Indigastrum and the simple or unifoliolate species of Indigofera. Telopea 10(3): 659 [taxonomic synonym]

taxonomic synonym of: Indigastrum parviflorum (B.Heyne ex Wight & Arn.) Schrire legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Indigastrum parviflorum (B.Heyne ex Wight & Arn.) Schrire legitimate

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

taxonomic synonym of: Indigastrum parviflorum (B.Heyne ex Wight & Arn.) Schrire legitimate

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