⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-325836, and has not been changed.

Watsonia longicollis (Baker) Schltr. is a synonym of Thereianthus longicollis (Baker) G.J.Lewis

The record derives from iPlants which reports it as a synonym (record 325836) with original publication details: Bot. Jahrb. Syst. 27: 106 1899.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:441946-1.