⚠ Version 1 of The Plant List has been superseded.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 Trachyspermum humboldtianum in version 1.1 of The Plant List.
This name is a synonym of Nymphoides indica .
The record derives from Tropicos which reports it as a synonym (record 50064749
) with original publication details: New York State Mus. Bull. 233-234: 66 66 1920.