Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 564 [tax. nov.]

• Type: "(M.) v.v."

Presl, C.B. [K.B.] (1836), Prodromus Monographiae Lobeliacearum: 30 [basionym]

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

Bentham, G. (16 December 1868), Flora Australiensis 4: 126 [secondary reference]

taxonomic synonym: Lobelia ramosa Maund legitimate taxonomic synonym: Lobelia adscendens de Vriese legitimate taxonomic synonym: Lobelia longepedunculata de Vriese legitimate misapplication: Lobelia heterophylla Labill. legitimate by Paxton, J. (1839), Paxton's Magazine of Botany 6: 197 misapplication: Lobelia heterophylla Labill. legitimate by Hooker, W.J. in Hooker, W.J. (ed.) (1840), Botanical Magazine: t. 3784

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 85 [secondary reference]

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

Wheeler, J.R. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Lobeliaceae. Flora of the Perth Region 2: 605 [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 658 [secondary reference]

common name: Slender Lobelia [n/a]

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

nomenclatural synonym: Rapuntium tenuius (R.Br.) C.Presl legitimate taxonomic synonym: Lobelia heterophylla var. major Paxton legitimate taxonomic synonym: Lobelia longepedunculata var. gracilior de Vriese legitimate taxonomic synonym: Lobelia longepedunculata de Vriese var. longepedunculata legitimate taxonomic synonym: Lobelia longepedunculata de Vriese legitimate taxonomic synonym: Lobelia ciliata de Vriese legitimate taxonomic synonym: Lobelia adscendens de Vriese legitimate misapplication: Lobelia heterophylla Labill. legitimate by Lindley, J. in Lindley, J. (ed.) (1837), Edwards's Botanical Register 23: t. 2014 misapplication: Lobelia heterophylla Labill. legitimate by Paxton, J. (1839), Paxton's Magazine of Botany 6: 197 misapplication: Lobelia heterophylla Labill. legitimate by Hooker, W.J. in Hooker, W.J. (ed.) (1840), Botanical Magazine: t. 3784 misapplication: Lobelia heterophylla Labill. legitimate by Regel, E.A. von in Regel, E.A. von (ed.) (1858), Gartenflora 7: 44

• APC Dist.: WA

Walsh, N.G., Albrecht, D.E. & Knox, E.B. (28 July 2010), Notes and new taxa in Lobelia sect. Holopogon (Campanulaceae: Lobelioideae). Muelleria 28(2): 155, 158 [secondary reference]

• Lectotype: Western Australia, King George's Sound, Dec. 1801, R. Brown (R. Brown, Dec 1801) lecto (here chosen): BM; isolecto: BM, CANB (photo).

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: 60 [secondary reference]

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