Wimmer, F.E. in Engler, H.G.A. (1953), Das Pflanzenreich 107: 764 [comb. nov.]

basionym: Lobelia purpurascens R.Br. legitimate

Black, J.M. & Robertson, E.L. (1957), Flora of South Australia Edn. 2, 4: 814 [secondary reference]

nomenclatural synonym: Lobelia purpurascens R.Br. legitimate

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 363 [secondary reference]

common name: White-root [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 140 [secondary reference]

nomenclatural synonym: Lobelia purpurascens R.Br. legitimate

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1986), Campanulaceae. Flora of South-eastern Queensland 2: 479 [nomenclatural synonym]

nomenclatural synonym of: Lobelia purpurascens R.Br. legitimate

Wiecek, B. in Harden, G.J. (ed.) (1992), Lobeliaceae. Flora of New South Wales 3: 127-128 [secondary reference]

common name: Whiteroot [n/a]

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 347 [secondary reference]

nomenclatural synonym: Lobelia purpurascens R.Br. legitimate

Albrecht, D.E. & Walsh, N.G. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Campanulaceae. Flora of Victoria 4: 571, Fig. 109h [secondary reference]

nomenclatural synonym: Lobelia purpurascens R.Br. legitimate common name: Purplish Pratia [n/a] common name: Whiteroot Pratia [n/a]

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

nomenclatural synonym of: Lobelia purpurascens R.Br. legitimate

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

misapplied to: Lobelia beaugleholei Albr. legitimate by Black, J.M. & Robertson, E.L. (1957), Flora of South Australia Edn. 2, 4: 814

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