⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-36820, with some changes.
This name is a synonym of Helianthus giganteus .
The record derives from TICA which reports it as a synonym (record 3566E40C-6DD5-4E2B-A792-4440D494AC18
).