⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-40627, with some changes.
This name is a synonym of Xylorhiza tortifolia (Torr. & A.Gray) Greene.
The record derives from TICA which reports it as a synonym and as an illegitimate name (record 1CC1A97B-D8E4-4239-B895-4B50455E9404) with original publication details: 126 1893.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:181773-1.