Panax quinquefolius (American ginseng)
After the links to pages on more important or well understood specific herbs, there is a summary table covering far more species (and a handy quick reference). Note that dark buttons indicate information from websites other than this one; white buttons take you to more detailed pages on this website.
Endangered and Threatened Medicinal Herbs of the World
Summary Table of Endangered and Threatened Medicinal Herbs
Herbs in RED are particularly threatened and endangered. Those in ORANGE are of concern but not as seriously threatened.