Wilson, Peter G. & Rowe, R. (18 September 2015), Additional taxa of Indigofera (Fabaceae: Indigofereae) from the Eremaean Botanical Province, Western Australia. Nuytsia 25: 261-263, Figs 3, 4 (map) [tax. nov.]

• Type: "Sipa Gold Mining Lease, south of Turee Creek, Western Australia, 8 June 2006, Peter G. Wilson 1776 & E. Toma (holo: NSW 734107; iso: K, PERTH 08028583)."

taxonomic synonym: Indigofera cuspidata Peter G.Wilson & Rowe manuscript name

• Etymology: "The epithet is derived from the Latin cuspidatus, pointed, in reference to the distinctly beaked apex of the pod of this species."

Parker, C.M. & Percy-Bower, J.M. (31 March 2016), Updates to Western Australia’s vascular plant census for 2015. Nuytsia 27: 12 [secondary reference]

taxonomic synonym: Indigofera sp. Cuspidata (Peter G.Wilson & E.Thoma PGW 1776) WA Herbarium [n/a]

Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - APC [secondary reference]

taxonomic synonym: Indigofera sp. Cuspidata (Peter G.Wilson & E.Thoma PGW 1776) WA Herbarium [n/a] taxonomic synonym: Indigofera cuspidata Peter G.Wilson & Rowe manuscript name

• APC Dist.: WA

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