Common buckthorn (Rhamnus cathartica) is also known as European ... How can it be identified? The leaves are elliptical with veins curving toward the tip. Twigs often have thorny projections ...

In Minnesota, buckthorn (Rhamnus cathartica) is an invasive plant that ... which possesses a key advantage in its ability to retain leaves late into the fall. Using that extended growing season ...

Common buckthorn (Rhamnus cathartica) and glossy buckthorn (Rhamnus frangula) are two common species in the Midwest region that can quickly dominate any forest floor by their dense thickets of growth.

The initiative was a success. In just two years over 2,000 bushes of both common/purging buckthorn (Rhamnus cathartica) and alder buckthorn (Frangula alnus) were planted in the target area.