Bur marigold (Bidens spp.) is a type of plant that belongs to the Asteraceae family. It grows in wet areas, such as swamps, bogs, and wetlands. This plant is also known by several other names, including beggar's tick, Spanish needles, pitchfork weed, stick-tight, and devil's bootjack. These synonyms refer to the plant's ability to produce seed pods with barbed seeds that stick to clothing and fur. Bur marigold has a long history of medicinal use for various ailments, such as headache, fever, and diarrhea. Its leaves and flowers are also used in teas and tinctures for their anti-inflammatory, diuretic, and antibiotic properties.