⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-30424, with some changes.
This name is a synonym of Helianthus laevigatus .
The record derives from TICA which reports it as a synonym (record FCE13BAA-447A-4850-B467-384774E7847C
) with original publication details: Contr. U.S. Natl. Herb. 13: 374 374 1911.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:119156-2
.