Long in the works, Cherokee Nation signs plant-gathering agreement for Buffalo National River

For generations, the Cherokee had gathered plants along the Buffalo River in Arkansas. The flora could be used to make a wide variety of things: blow guns, baskets, medicine and even ganatsi, a hickory nut soup.

Then, in 1972, the National Park Service took over the river and made it illegal to remove plants there without permission from the authorities.

https://www.nytimes.com/2022/04/27/us/cherokee-plants-national-park.html