Shinners, L.H. (1952), Field & Laboratory 20(3): 97 [autonym]

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

• APC Dist.: Qld (doubtfully naturalised)

Bostock, P.D. & Holland, A.E. (August 2017), Appendix A: New names and name and status changes 2016 census to 2017 census. Introduction to the Census of the Queensland Flora 2017: 19 APC [secondary reference]

• APC Comment: An American taxon, recorded as naturalised by Council of Heads of Australasian Herbaria, Austral. Pl. Census (2011), but not considered to be established in Australia.

• Text: "... removed, specimen cultivated."

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