Hedyotis fluviatilis (C.N. Forbes) Fosberg var. hathewayi Fosberg, Brittonia 8: 171. 1956.
Type information:
Holotype [NY]. O. Degener , W.H. Hatheway and K. Silva 20859. 27 August 1950. O`ahu: Ko`olau Range, Kawaiiki, forested bank.1400ft. Isotype(s) [BISH! [2], MASS!, US].
=Kadua fluviatilis

*Verification: R.K. Shannon, W.L. Wagner.