⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-30449, with some changes.
This name is a synonym of Helianthus praecox .
The record derives from TICA which reports it as a synonym (record 62C43A81-FAAA-445F-83FC-38542A44065A
) with original publication details: "Rep. U.S. Mex. Bound., Bot. 90" 90 1858.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:119086-2
.