⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Sisyrinchium idahoense in version 1.1 of The Plant List.

Sisyrinchium idahoense var. birameum (Piper) A. Nelson & J.F. Macbr. is a synonym of Sisyrinchium idahoense var. idahoense

This name is a synonym of Sisyrinchium idahoense var. idahoense .

The record derives from Tropicos which reports it as a synonym (record 50114942) with original publication details: Bot. Gaz. 65(1): 58 58 1918.