I champion the weeds. When I started learning about herbal medicines — The world was vast. So many medicinal plants. Then I became aware that using plants Could use them up. Goldenseal and ginseng — Once available freely in my eastern woodlands — Are now threatened by overharvesting. .. From AgroForestry: "Overharvesting of goldenseal has caused serious reductions in populations. . . . In 1997, goldenseal was listed on Appendix II of the Convention for International Trade on