Fleabane (Erigeron annuus) is a North American native wildflower of the Aster family. It resembles little daisies. The petal are usually white, but sometimes have a light lavender hue. They are abundant, especially in Eastern North America.
In ancient times people believed placing Fleabane flowers in with straw would keep mites away.
In Greek mythology, the Greek god Hephaestus, was the son of Zeus and Hera. He was the god of fire, metalworking, stone masonry, forges and the art of sculpture. Hephaestus made all the weapons for the gods in Olympus. He tried to sexually assault Athena (goddess of goddess of wisdom, courage, inspiration, civilization, law and justice, strategic warfare, mathematics, strength, strategy, the arts, crafts, and skill.) She pulled away from him and his fiery semen fell to the Earth, bring forth Fleabane. In many ancient texts and magic grimoires, references to “semen of Hephaistus” means Fleabane.
According the folklore, magically Fleabane is used to exorcise evil spirits, and also to protect against evil entities from entering into a home. Also due to Hephaestus unfortunate experience with the goddess of Athena, since ancient times Fleabane seeds placed in the sheets on a bed promotes chastity.