Clermontia kohalae Rock var. robusta Rock, Coll. Hawaii Publ. Bull. 2: 41. 1913.
Type information:
Holotype [BISH]. J. F. Rock 8811. July 1910. Hawai`i: Kohala [Mts., along streambeds and near waterfalls, back of Kohala proper].460m. Isotype(s) [BISH!, GH!].

Note: Information in brackets and elevation from protologue.

=Clermontia kohalae
Note: Information in brackets and elevation from protologue.

*Verification: Lammers, T.G. 1991. Syst. Bot. Monogr. 32:1-97.