⚠ Version 1.1 of The Plant List has been superseded and should no longer be used.
The new version is available at http://www.worldfloraonline.org/tpl/gcc-56598. The new version is enhanced, using more data sources including Taxonomic Expert Networks and will be more frequently updated.
        Helianthus rigidus var. subrhomboideus 
        is a synonym
 of Helianthus pauciflorus subsp. subrhomboideus 
    This name is a synonym of Helianthus pauciflorus subsp. subrhomboideus .
The record derives from TICA
        (data supplied on
            
            )
        which reports it as a synonym (record CFC5175C-A4EA-4542-BE06-7FD52F0A91D2) with original publication details: Flora of the Pacific Northwest 528 1973.
    
Full publication details for this name can be found in IPNI:
        http://ipni.org/urn:lsid:ipni.org:names:119240-2.
    
This name was in version 1 of The Plant List, record gcc-56598, and has not been changed.