Phyllostegia insignis H. St. John , Phytologia 63: 175. 1987.
Type information:
Holotype [BISH]. A. Medeiros s.n.. Maui.

Note: Holotype missing, 10/1987. Did St. John adequately designate the type (no locality, no date, no collector number)?

=Phyllostegia ambigua
Note: Holotype missing, 10/1987. Did St. John adequately designate the type (no locality, no date, no collector number)?

*Verification: None.