According to the State of the Worlds Plants Report 2017, there are at least 28,187 plants that are recognized as medicinal. There are great plant books on medicinal plants from the area that you live in. Herbalist, Matthew Wood wrote two books, The Earthwise Herbal . These are books on Old World and New World Medicinal Plants. These are just two examples of plant books .
The northernmost states of the US are home to a great many medicinal plants. These states, include Connecticut, Massachusetts, Rhode Island, New Hampshire, Maine, Vermont, New York, Michigan, Wisconsin, Iowa, Minnesota, South Dakota, North Dakota, Montana, Idaho, Oregon, and Washington. I am a resident in two Northeast states- New York and Connecticut.
Examples of some plant in my region are:
Barberry, Black Walnut, Black Raspberry, Dogwood , Goldenrod, Hawthorne, Juniper, English Yew, Ginkgo, Maple, St John Wort, and Sycamore
Find the medicinal plants in your area Medicinal plants are growing in every state in the United States