Ewart, A.J. & Davies, O.B. (1917), The Flora of the Northern Territory: 186 [tax. nov.]

• Type: "Cullen Creek, Gilruth and Spencer, July–August, 1911."

Fryxell, P.A. (1968), Taxonomic Notes on Australian Malvaceae. Proceedings of the Linnean Society of New South Wales 92(3): 262 [basionym]

basionym of: Urena spenceri (Ewart) Fryxell legitimate

Craven, L.A. & Fryxell, P.A. (1989), Urena (Malvaceae) in Australia. Australian Systematic Botany 2(4): 457 [basionym]

basionym of: Urena armitiana var. spenceri (Ewart) Fryxell & Craven legitimate

Council of Heads of Australasian Herbaria (2012), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Urena armitiana var. spenceri (Ewart) Fryxell & Craven legitimate

---