Torrey, J. & Gray, A. (1843), A Flora of North America 2(3): 399 [comb. nov.]

• Type: "California, Douglas."

basionym: Hartmannia pungens Hook. & Arn. legitimate

Hamilton, A.A. (1918), Agricultural Gazette of New South Wales 29: 433 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 80 [secondary reference]

Murray, L. in Harden, G.J. (ed.) (1992), Hemizonia. Flora of New South Wales 3: 282 [secondary reference]

common name: Spikeweed [n/a]

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

nomenclatural synonym of: Centromadia pungens (Hook. & Arn.) Greene legitimate

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