⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-239043, and has not been changed.

Cyperus washingtonensis Gand. is a synonym of Cyperus erythrorrhizos Muhl.

This name is a synonym of Cyperus erythrorrhizos Muhl..

The record derives from WCSP which reports it as a synonym (record 239043) with original publication details: Bull. Soc. Bot. France 66: 296 1919 publ. 1920.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:75243-2.