⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-308951, with some changes.

Udora occidentalis W.D.J.Koch is a synonym of Hydrilla verticillata (L.f.) Royle

This name is a synonym of Hydrilla verticillata (L.f.) Royle.

The record derives from WCSP which reports it as a synonym (record 308951) with original publication details: Syn. Fl. Germ. Helv. 669 1837.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:431964-1.