The park ranger shared photos of the massive removal to the r/invasivespecies subreddit. "This is a large stand of [buckthorn] that is on fen that is habitat for [massasauga rattlesnake] " the OP ...

Glossy buckthorn, a small, woody tree from the Rhamnaceae family, is an understory invasive that produces large amounts of seeds and outcompetes many native species. It’s also both sun and shade ...