Phyllostegia rhuakos H. St. John , Phytologia 63: 181. 1987.
Type information: Holotype
[BISH]. C.N. Forbes 983.H. 28 June 1915. Hawai`i: Kipukas, flow of 1823, level of Keawe Wye.
=Phyllostegia racemosa
*Verification: M. Strong, W.L. Wagner; Wagner, W.L. 1999. Novon 9:265-279.