⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-326143, and has not been changed.

Iris missouriensis f. alba H.St.John is a synonym of Iris missouriensis Nutt.

The record derives from iPlants which reports it as a synonym (record 326143) with original publication details: Leafl. W. Bot. 9: 96 1960.