Rafinesque, C.S. in Greene, E.L. (1894), Manual of the Botany of the Region of San Francisco Bay: 230 [tax. nov.]

• Type: Triodanis biflora (Ruíz & Pavón) E.Greene

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 96 [secondary reference]

Smith, P.J. in Harden, G.J. (ed.) (1992), Campanulaceae. Flora of New South Wales 3: 117 [secondary reference]

Lammers, T.G. in Kubitzki, K. (ed.) (2007), Campanulaceae. The Families and Genera of Vascular Plants 8: 44 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 873 APC [secondary reference]

• APC Dist.: NSW (doubtfully naturalised)

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