Genus Capsella is a group of small flowering plants that belong to the mustard family Brassicaceae. There are a few synonyms for Genus Capsella, including the common name Shepherd's-purse, which comes from the shape of the plant's seed pouches resembling a shepherd's purse. Other synonyms include Capsella bursa-pastoris, which is widely used in Europe and Capsella rubella, which is a species that is native to Eurasia and North America. While there are some variations among the species, all plants in this genus are herbaceous and have simple, lobed or toothed leaves, and small white or pink flowers. Genus Capsella is widely used in herbal medicine and is known for its antibacterial and anti-inflammatory properties.