⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-1766, with some changes.
This name is a synonym of Xylorhiza tortifolia var. tortifolia .
The record derives from TICA which reports it as a synonym and as an illegitimate name (record E75003FF-12EA-4CB3-899A-032EC2DA6977
) with original publication details: Contr. U. S. Natl. Herb. 4: 126. 1893 126 1893.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:23772-2
.