Robinson, B.L. (18 August 1923), Records preliminary to a general treatment of the Eupatorieae, - III. Contributions of the Gray Herbarium of Harvard University 68: 6 [implicit autonym]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 71 [secondary reference]

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

nomenclatural synonym of: Ageratum houstonianum Mill. legitimate

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