Presl, C.B. [K.B.] (1836), Prodromus Monographiae Lobeliacearum: 40 [tax. nov.]

• Type: "Hab. in Nova Hollandia."

Bentham, G. (16 December 1868), Flora Australiensis 4: 137 [secondary reference]

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Isotoma fluviatilis (R.Br.) F.Muell. ex Benth. legitimate

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