⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-254352, with some changes.

Mentha haplocalyx var. barbata Nakai is a synonym of Mentha arvensis var. piperascens Malinv. ex Holmes

This name is a synonym of Mentha arvensis var. piperascens Malinv. ex Holmes.

The record derives from WCSP which reports it as a synonym (record 254352) with original publication details: Bot. Mag. (Tokyo) 35: 178 1921.