Mentha pulegium
- Common name(s): pennyroyal; European pennyroyal; grows-in-a-ditch
- Synonym(s): Mentha daghestanica Boriss.; Pulegium dagestanicum (Boriss.) Holub; Pulegium vulagare Mill.
- All names: Mentha pulegium, Mentha daghestanica Boriss., Pulegium dagestanicum (Boriss.) Holub, Pulegium vulagare Mill., pennyroyal, European pennyroyal, grows-in-a-ditch