protologue: Handb. N. Zeal. Fl. 1: 171 (1864)
2 615600 Lobelia roughii Hook.f.T.F. Cheeseman, Ill. New Zealand Fl., vol. 1 : t. 120, fig. B (1914) [M. Smith]
615600Lobelia roughii Hook.f.
Trans. & Proc. New Zealand Inst., vol. 14 : t. 28, fig. 1 (1868)
615600Lobelia roughii Hook.f.
S. Featon, Art. Alb. NZ Fl. (watercolours): t. 81, fig. 5 ()