Phyllostegia decumbens H. St. John , Phytologia 63: 174. 1987.
Flora of the Hawaiian Islands --Basionym Type Information
Note: Not validly published under ICBN Art. 34.2 (1994). St. John used part of the same specimen, C. N. Forbes 183.H (BISH-408112!), for both the type of this name and the type of Stenogyne adpressa. St. John separated part of this collection as type of P. konaensis.