Beggar-ticks refer to a type of weed that commonly grows along roadsides, in fields, and in gardens. This invasive plant is known for its sticky seedpods that easily attach themselves to animals and clothing. The plant is commonly referred to by several synonyms, including beggar's lice, devil's needles, stickseed, and farmer's friends. These synonyms describe the plant's unpleasant and invasive nature. Despite its negative qualities, beggar-ticks have been used in traditional medicine to treat ailments such as inflammation and fever. However, the plant should be handled with caution as it can cause skin irritation and allergies.