| Name | Sisyrinchium idahoense var. occidentale (E. P. Bicknell) Douglass M. Henderson | 
| Authorship | (E. P. Bicknell) Douglass M. Henderson | 
| Rank | Variety | 
| Placed in | Sisyrinchium idahoense E. P. Bicknell | 
| GUID | urn:lsid:ipni.org:names:1110952-2 | 
| Holdings | 21 Specimens held in the Harvard University Herbaria identified as Sisyrinchium idahoense var. occidentale (E. P. Bicknell) Douglass M. Henderson | 
| Identification made in | [no date] (20), 2013 (1) |