Greene, E.L. (1894), Manual of the Botany of the Region of San Francisco Bay: 196 [comb. nov.]

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

nomenclatural synonym: Hartmannia pungens Hook. & Arn. legitimate nomenclatural synonym: Hemizonia pungens (Hook. & Arn.) Torr. & A.Gray legitimate

• APC Dist.: NSW (naturalised)

Bean, A.R. in Wilson, A.J.G. (ed.) (2015), Centromadia. Flora of Australia 37: 585, map [secondary reference]

nomenclatural synonym: Hartmannia pungens Hook. & Arn. legitimate common name: Common Spikeweed [n/a]

---