This name is a synonym of Washingtonia occidentalis (Nutt.) J.M. Coult. & Rose.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50095838) with original publication details: Proc. Amer. Acad. Arts 7(2): 346 1868.
⥇ A cross-taxon basionym link was ignored while processing this record,
see Glycosma occidentale Nutt..
This name was in version 1 of The Plant List, record tro-50095838.