Simon, B.K. (7 December 2010), New taxa, nomenclatural changes and notes on Australian grasses in the tribe Paniceae (Poaceae: Panicoideae). Austrobaileya 8(2): 215-216, Map 14 [comb. nov.]

basionym: Brachiaria occidentalis C.A.Gardner & C.E.Hubb. legitimate nomenclatural synonym: Urochloa gilesii subsp. occidentalis (C.A.Gardner & C.E.Hubb.) R.D.Webster legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Brachiaria occidentalis C.A.Gardner & C.E.Hubb. legitimate nomenclatural synonym: Urochloa gilesii subsp. occidentalis (C.A.Gardner & C.E.Hubb.) R.D.Webster legitimate nomenclatural synonym: Urochloa occidentalis (C.A.Gardner & C.E.Hubb.) B.K.Simon manuscript name

• APC Dist.: WA

Biggs, L.J. & Parker, C.M. (21 November 2013), Updates to Western Australia's vascular plant census for 2012. Nuytsia 23: 522 [secondary reference]

taxonomic synonym: Urochloa occidentalis (C.A.Gardner & C.E.Hubb.) B.K.Simon manuscript name

Biggs, L.J. & Parker, C.M. (21 November 2013), Updates to Western Australia's vascular plant census for 2012. Nuytsia 23: 509 [secondary reference]

nomenclatural synonym: Brachiaria occidentalis C.A.Gardner & C.E.Hubb. legitimate

---