⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50276939, with some changes.

Washingtonia laxa (Royle) Koso-Pol. ex B. Fedtsch. is a synonym of Osmorhiza aristata var. laxa (Royle) Constance & Shan

This name is a synonym of Osmorhiza aristata var. laxa (Royle) Constance & Shan.

The record derives from Tropicos which reports it as a synonym (record 50276939).