Phyllostegia hiati H. St. John , Phytologia 63: 175. 1987.
Type information:
Holotype [BISH]. R. Hobdy 762. 16 February 1980. Maui: East Maui, Koolau Gap, Ainahou.6000ft.

Note: R. Hobdy (pers. comm.) indicates that collection number is 769, not 762 as indicated in protologue.

=Phyllostegia ambigua
Note: R. Hobdy (pers. comm.) indicates that collection number is 769, not 762 as indicated in protologue.

*Verification: Wagner, W.L. 1999. Novon 9:265-279.