The Old World Swallowtail, female, first generation resting on Creeping Charlie.Glechoma hederacea (syn. Nepeta glechoma Benth., Nepeta hederacea (L.) Trevir.) is an aromatic, perennial, evergreen creeper of the mint family Lamiaceae. It is commonly known as Ground-ivy, gill-over-the-ground or Creeping Charlie. It has numerous medicinal uses, and is commonly used as a salad green in many countries. European settlers carried it around the world, and it has become a well established naturalized/introduced plant in a wide variety of localities.(Wiki).