Did Lewis and Clark use any plants for medicine?

Yes, Lewis and Clark did use plants for medicine during their expedition. Meriwether Lewis had studied botany and medicine, so he was able to identify and use many different plants for medicinal purposes. Some of the plants they used included:

* Wild ginger (Asarum canadense): Used as a stimulant, carminative, and diaphoretic.

* Slippery elm (Ulmus rubra): Used to treat sore throats, coughs, and diarrhea.

* Ginseng (Panax quinquefolius): Used as a stimulant and to treat fatigue.

* Golden seal (Hydrastis canadensis): Used to treat eye infections and dysentery.

* Bloodroot (Sanguinaria canadensis): Used to treat skin infections and toothaches.

* Pokeweed (Phytolacca americana): Used to treat rheumatism and syphilis.

* Echinacea (Echinacea angustifolia): Used to treat colds and flu.

* Yarrow (Achillea millefolium): Used to treat wounds, bleeding, and diarrhea.

* Indian hemp (Apocynum cannabinum): Used to treat venereal diseases and as a laxative.

These are just a few examples of the many plants that Lewis and Clark used for medicine during their expedition. Their knowledge of botany and medicine was essential to their survival in the wilderness, and their use of plants for medicinal purposes helped them to stay healthy and continue their exploration.