Genus Hesperis is a type of flowering plant that belongs to the Brassicaceae family. It is commonly known as the Dame's Rocket or Sweet Rocket due to its sweet fragrance. There are a number of synonyms for Genus Hesperis, including Hesperis matronalis, Hesperis nocturna and Hesperis tristis. These synonyms are often used interchangeably to refer to the same plant species. Dame's Rocket plants are native to Europe and Asia and have been introduced to North America, where they are now considered an invasive species. Despite its invasive nature, the plant is still beloved for its sweet smell and delicate flowers.