Candolle, A.P. de in Candolle, A.P. de (ed.) (1838), Compositae. Prodromus Systematis Naturalis Regni Vegetabilis 6: 619 [tax. nov.]

Willis, J.H. (1973), A Handbook to Plants in Victoria Edn. 2, 2: 763 [secondary reference]

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

• APC Comment: An Asian taxon recorded by J.H.Willis, Handb. Pl. Vic. 2nd Edn, 2: 763 (1972), but not known to occur in Australia.

Bean, A.R. in Wilson, A.J.G. (ed.) (2015), Asteraceae Subfam. 2. Carduoideae Trib. 1. Cardueae. Flora of Australia 37: 66 [secondary reference]

• Text: "Reported by J.H.Willis, Handb. Pl. Victoria 763 (1972). Apparently no specimen was ever collected, and there have been no further reports."

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