⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-113309, with some changes.
This name is a synonym of Xylorhiza tortifolia var. tortifolia .
The record derives from TICA which reports it as a synonym (record DA44F79D-EA05-442C-9B73-B756D7BE0204
) with original publication details: 239 1957.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:148435-2
.