⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-87648, and has not been changed.
This name is a synonym of Galium trifidum subsp. columbianum .
The record derives from WCSP which reports it as a synonym (record 87648
) with original publication details: Repert. Spec. Nov. Regni Veg. 10: 438 1912.