Linnaeus, C. (1 May 1753), Species Plantarum 2: 845 [tax. nov.]

• Type: "Habitat in Aethiopia."

Audas, J.W.C., St John, P.R.H. & Morris, P.F. (1932), Alien plants recorded as naturalised in Victoria. The Victorian Naturalist 49: 153 [secondary reference]

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

• APC Comment: An American taxon recorded by J.W.Audas, P.R.H St John & P.F.Morris, Vict. Nat. 49: 153 (1932), but not known to be naturalised in Australia.

Thompson, I.R. in Wilson, A.J.G. (ed.) (2015), Asteraceae Subfam. Asteroideae Trib. 3. Anthemideae. Flora of Australia 37: 338 [secondary reference]

• Text: "Recorded for Vic. in a list of new exotic species by J.W.Audas et al., Victorian Naturalist 49: 153 (1932), however, there are no records to confirm that it ever became established there."

---