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 ...

Common buckthorn (Rhamnus cathartica) and glossy buckthorn (Rhamnus ... shade and varying soil conditions. They leaf out early in spring and shed late in fall to outcompete native plants for ...