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⚠ Version 1 of The Plant List has been superseded.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-119559, with some changes.

M Helianthus dowellianus M.A.Curtis 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 84C97171-FAF8-41AB-B866-C56D50E0D1AE) with original publication details: 82 1843.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:119119-2.