⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50067077, with some changes.
This name is a synonym of Myriophyllum verticillatum .
The record derives from Tropicos which reports it as a synonym (record 50067077
) with original publication details: Rhodora 41(491): 524 524 1939.