Mentha pulegium
![Mentha pulegium_pennyroyal JM Di Tomaso](https://www.cal-ipc.org/wp-content/uploads/2017/10/Mentha-pulegium_pennyroyal-JM-Di-Tomaso-300x225.jpg)
- 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