Schlechtendal, D.F.L. von & Chamisso, L.K.A. von (1830), Plantarum Mexicanarum. Linnaea: ein Journal für die Botanik in ihrem ganzen Umfange, oder Beiträge zur Pflanzenkunde 5: 128 [tax. nov.]

Jessop, J.P. in Jessop, J.P. (ed.) (1981), Compositae (Asteraceae) - most genera. Flora of Central Australia: 411 [secondary reference]

Bean, A.R. in Wilson, A.J.G. (ed.) (2015), Asteraceae Subfam. 2. Carduoideae Trib. 1. Cardueae. Flora of Australia 37: 48 [taxonomic synonym]

taxonomic synonym of: Cardueae Cass. legitimate

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