Clermontia aspera E. Wimm. , in Engler, Pflanzenr. IV. 276c. (Heft 108): 827. 1968.
Type information:
Lectotype [W]. O. Degener and al. s.n.. 29 March 1936. O`ahu: east ridge of Manoa Valley.
Lectotypified in Lammers. Syst. Bot. Monogr. 32: 67. 1991.
=Clermontia oblongifolia subsp. oblongifolia