Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 563 [tax. nov.]

• Type: "(T.) D. Bauer. v.s."

• Comment: Index Kewensis, in error, gives p. 562.

Presl, C.B. [K.B.] (1836), Prodromus Monographiae Lobeliacearum: 16 [basionym]

basionym of: Rapuntium quadrangulare (R.Br.) C.Presl legitimate

Bentham, G. (16 December 1868), Flora Australiensis 4: 130 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 291, Fig. 259 [secondary reference]

taxonomic synonym: Lobelia humistrata F.Muell. ex Benth. legitimate

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 261 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 156 [secondary reference]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 16 [secondary reference]

Wheeler, J.R. in Wheeler, J.R. (ed.) (1992), Lobeliaceae. Flora of the Kimberley Region: 874, Fig. 269C [secondary reference]

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Rapuntium quadrangulare (R.Br.) C.Presl legitimate misapplication: Lobelia membranacea R.Br. legitimate by Williams, K.A.W. (1979), Native Plants of Queensland 1: 174 misapplication: Lobelia membranacea R.Br. legitimate by Ross, E.M. in Stanley, T.D. & Ross, E.M. (1986), Campanulaceae. Flora of South-eastern Queensland 2: 479

• APC Dist.: Qld, NSW

Council of Heads of Australasian Herbaria (2014), Australian Plant Census: - [misapplied]

misapplied to: Lobelia arnhemiaca E.Wimm. legitimate by Wheeler, J.R. in Wheeler, J.R. (ed.) (1992), Lobeliaceae. Flora of the Kimberley Region: 874, Fig. 269C

---