⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-325125, and has not been changed.

Sisyrinchium occidentale E.P.Bicknell is a synonym of Sisyrinchium idahoense var. occidentale (E.P.Bicknell) Douglass M.Hend.

This name is a synonym of Sisyrinchium idahoense var. occidentale (E.P.Bicknell) Douglass M.Hend..

The record derives from iPlants which reports it as a synonym (record 325125) with original publication details: Bull. Torrey Bot. Club 26: 447 1899.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:237716-2.