Robin's-plantain is a little more recognizable than other common species of Erigeron. Partly because it blooms earlier here in the northeast. One of the correlates to medicinal use is easy recognition. So this ends up being used for a bunch of different ailments. The Cherokee and Iroquois used it headaches, hemorrhages, epilepsy, coughs, colds, sores, dimness of sight, consumption, and as a sudorific or diuretic. It is a seriously tough life when your best hope for a cure is a panacea.