Goldenseal (Hydrastis canadensis) is one of the most at-risk plants in North America. It was used by First Nations peoples for hundreds of years before Europeans arrived and by the 1830s was also a favorite of herbalists and practitioners of Eclectic medicine. Today, due to relentless wildharvesting and habitat loss, this age-old herbal ally has been reduced to scattered remnant populations and is at risk in much of its native range. ...