⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-339833, and has not been changed.

Washingtonia filifera var. sonorae (S.Watson) M.E.Jones is a synonym of Washingtonia robusta H.Wendl.

This name is a synonym of Washingtonia robusta H.Wendl..

The record derives from WCSP which reports it as a synonym (record 339833) with original publication details: Contr. W. Bot. 15: 48 1929.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:267792-2.