One particular forb, the purple coneflower, is recognized more readily by its scientific name Echinacea purpurea, or just Echinacea, which is used as an herbal remedy for colds.
It is the largest ingredient in 云南白药 (Yunnan Bai Yao), a famous hemostatic proprietary herbal remedy that was notably carried by the Viet Cong to deal with wounds during the Vietnam war.