⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-155526, with some changes.

Phyllostegia brevidens var. pauciflora Sherff is a synonym of Phyllostegia ambigua (A.Gray) Hillebr.

This name is a synonym of Phyllostegia ambigua (A.Gray) Hillebr..

The record derives from WCSP which reports it as a synonym (record 155526) with original publication details: Bot. Gaz. 96: 139 1934.