What are names of 10 herbs which has medicinal value and at the verge of extinction ?

AT RISK =

American Ginseng (Panax quinquefolius)
Black Cohosh (Cimicifuga racemosa)
Bloodroot (Sanguinaria canadensis)
Blue Cohosh (Caulophyllum thalictroides)
Echinacea (Echinacea spp.)
Goldenseal (Hydrastis canadensis)
Helonias Root (Chamaelirium luteum)
Kava Kava (Piper methysticum)
Lady's Slipper Orchid (Cypripedium spp.)
Lomatium (Lomantium dissetum)
Osha (Ligusticum spp.)
Partridge Berry (Mitchella repens)
Peyote (Lophophora williamsii)
Slippery Elm (Ulmus rubra)
Sundew (Drosera spp.)
Trillium (Trillium spp.)
True Unicorn (Aletris farinosa)
Venus' Fly Trap (Dionaea muscipula)
Wild Yam (Dioscorea spp.)

TO WATCH =

Arnica (Arnica spp.)
Butterfly Weed (Asclepias tuberosa)
Calamus (Acorus calamus)
Chaparro (Casatela emoryi)
Elephant Tree (Bursera microphylla)
Eyebright (Euphrasia spp.)
Gentian (Gentian spp.)
Goldthread (Coptis spp.)
Lobelia (Lobelia spp.)
Maidenhair Fern (Adiaantum pendatum)
Mayapple (Podophyllum peltatum)
Oregon Grape (Mahonia spp.)
Pink Root (Spigelia marilaandica)
Pipsissewa (Chimaphila umbellata)
Spikenard (Aralia racemosa, A. californica)
Stone Root (Collinsonia canadensis)
Stream Orchid (Epipactis gigantea)
Turkey Corn (Dicentra canadensis)
Virginia Snakeroot (Aristolochia serpentaria)
White Sage (Salvia apiana)
Yerba Mansa (Anemopsis californica)
Yerba Santa (Eriodictyon californica)

All nature grown Catrpillar, Reishi and Maitake

herbs in general because of the FDA

Buddhism