⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2772968, and has not been changed.
This name is a synonym of Ptilimnium nuttallii .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bot. Gaz. 12: 292 1887.