The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-41640, with some changes.

M Haplopappus tortifolius Torr. & A.Gray is a synonym of Xylorhiza tortifolia var. tortifolia (Torr. & A.Gray) Greene

This name is a synonym of Xylorhiza tortifolia var. tortifolia (Torr. & A.Gray) Greene.

The record derives from TICA which reports it as a synonym (record 9211DDAA-3EAE-4F2F-AF70-4D1A58872427) with original publication details: 109 1845.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:297225-2.