⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50253377, and has not been changed.

Polygonum caespitosum subsp. yokusaianum (Makino) Danser is a synonym of Polygonum posumbu Buch.-Ham. ex D. Don

This name is a synonym of Polygonum posumbu Buch.-Ham. ex D. Don.

The record derives from Tropicos which reports it as a synonym (record 50253377).