Lobelia hillebrandii Rock var. monostachya Rock, Monogr. Stud. Haw. Lobelioid. 135 1919.
O`ahu, Niu Valley. 1851- 1871. Hillebrand s.n..
Holotype
[BISH].
Lobelia hillebrandii Rock var. paniculata Rock, Monogr. Stud. Haw. Lobelioid. 135 1919.
Moloka`i, Wai`ale`ia Ridge. July 1918. Rock 13124.
Lectotype
[BISH]. Lectotypified in Lammers. Syst. Bot. 13: 506. 1988.