Pine-weed is a herbaceous plant that is also known as fleabane or horseweed. It is a member of the daisy family and is native to North America. Pine-weed has been used for medicinal purposes, particularly by Native Americans, to treat ailments such as coughs, fevers, and digestive issues. Synonyms for pine-weed include Erigeron, Conyza, and Verbesina. These plants may be referred to by different names depending on their geographic location and the specific species. However, they are all characterized by their similar appearance and medicinal properties. Whether you call it pine-weed, fleabane, or horseweed, this plant is an important part of traditional medicine and natural remedies.