Genus Hedeoma is a member of the Lamiaceae family, which is known for its aromatic and medicinal plants. This genus is commonly known as pennyroyal and consists of small, herbaceous plants native to North America. Pennyroyal has been used for centuries for its medicinal properties, including aiding digestion and treating colds and headaches. Some synonyms for Genus Hedeoma include American pennyroyal, creeping pennyroyal, and squaw mint. These synonyms are often used interchangeably and refer to the same plant species. While pennyroyal has many beneficial uses, it should be used with caution as it can be toxic in large quantities.