Following is a list of herbs that are broadly used in commerce. These species are at risk due to over-harvest, loss of habitat, environmental sensitivity, or innate rareness.
All are are at risk of declining in numbers within their present range. In some cases these plants are abundant in one bioregion but are quite rare in another where they were previously common. The intent of listing these herbs is not to ask for a moratorium on their use, but to increase awareness of their status and to encourage programs to preserve these species.
American Ginseng (Panax quinquefolius)
Black Cohosh (Cimicifuga racemosa)
Bloodroot (Sanguinaria canadensis)
Blue Cohosh (Caulophyllum thalictroides)
Echinacea (Echinacea species)
Eyebright (Euphrasia species)
Goldenseal (Hydrastis canadensis)
Helonias Root (Chamaelirium luteum)
Kava Kava (Piper methysticum) (Hawaii only)
Lady Slipper Orchid (Cypripedium species)
Lomatium (Lomatium dissectum)
Osha (Ligusticum porteri)
Peyote (Lophophora williamsii)
Slippery Elm (Ulmus rubra)
Sundew (Drosera species)
Trillium, Beth Root (Trillium species)
True Unicorn (Aletris farinosa)
Venus' Fly Trap (Dionaea muscipula)
Virginia Snakeroot (Aristolochia serpentaria)
Wild Yam (Dioscorea villosa)
