⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Oenanthe thomsonii in version 1.1 of The Plant List.
This name is a synonym of Oenanthe thomsonii subsp. stenophylla .
The record derives from Tropicos which reports it as a synonym (record 50006250
) with original publication details: Bull. Herb. Boissier, sér. 2, 3(10): 843 843 1903.