Phyllostegia brevidens A. Gray var. expansa Sherff, Bot. Gaz. (Crawfordsville) 96: 139. 1934.
Type information:
Holotype [B]. W. Hillebrand s.n.. 1851- 1871. Maui: West Maui, [Pu`u Kukui] Mt. Eke.
=Phyllostegia ambigua