Lobelia hillebrandii Rock var. monostachya Rock, Monogr. Stud. Haw. Lobelioid. 135. 1919.
Type information:
Holotype [BISH]. W. Hillebrand s.n.. 1851- 1871. O`ahu: Niu Valley.
=Lobelia monostachya

*Verification: T.G. Lammers.