Glossy buckthorn should be reported. The Minnesota Department of Natural Resources provides detailed recommendations for reporting invasive species. Mostly sub-opposite, sometimes alternate. Thin and ...

In Minnesota, buckthorn (Rhamnus cathartica) is an invasive plant that the state's foresters and park managers have been trying to keep from choking out its natural habitats for hundreds of years.

One Michigan park ranger declared war against the invasive buckthorn that overtook the habitat of the eastern massasauga rattlesnake at the Dickerson Lake Fen in Michigan's Seven Lakes State Park. The ...