⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-26002239, with some changes.
Polygonum ammanioides
is a synonym
of Polygonum cognatum
This name is a synonym of Polygonum cognatum .
The record derives from Tropicos which reports it as a synonym (record 26002239) with original publication details: Ill. Pl. Orient. , pl. 19 1844.