Brighamia insignis A. Gray f. citrina C.N. Forbes & Lydgate, Occas. Pap. Bernice P. Bishop Mus. 6(4): 203. 1917.
Type information:
Holotype [BISH]. C.N. Forbes 706.K. 31 October 1916. Kaua`i: Haupu Range, near Nawiliwili Bay. Isotype(s) [BISH! [3], MO! [2], NY!, P!, US!].
=Brighamia insignis

*Verification: Lammers, T.G. 1989. Syst. Bot. 14:133-138.