Gibson, D.N. (1968), Fieldiana: Botany 31(15): 353-354 [comb. et stat. nov.]

basionym: Wigandia caracasana Kunth legitimate

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Wigandia caracasana Kunth legitimate

• APC Dist.: WA (naturalised), SA (naturalised), Qld (doubtfully naturalised)

Taplin, R.L. & Symon, D.E. (29 September 2008), Remnant horticultural plants at the site of the former Newman's Nursery, 1854-1932. Journal of the Adelaide Botanic Gardens 22: 94 [secondary reference]

common name: Wigandia [n/a]

Barrett, Russell & Tay, Eng Pin (2016), Perth Plants: a Field Guide to the Bushland and Coastal Flora of Kings Park and Bold Park Edn. 2: 284-285, photos 5-8 [secondary reference]

common name: Caracus Wigandia [n/a]

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