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⚠ Version 1 of The Plant List has been superseded.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-8527, with some changes.

L Helianthus occidentalis var. dowellianus (M.A.Curtis) Torr. & A.Gray is a synonym of Helianthus occidentalis subsp. occidentalis Riddell

This name is a synonym of Helianthus occidentalis subsp. occidentalis Riddell.

The record derives from TICA which reports it as a synonym (record 73C3D517-F8A4-4780-A1AE-0FE8A4769313) with original publication details: Fl. N. Amer. (Torr. & A. Gray) 2: 504 504 1843.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:119201-2.