Glossy Buckthorn (Frangula alnus), hails from Europe, has been sold by the nursery trade in three different forms. The cultivar Columnaris has a narrow and tall form; the cultivars Aspenifolia and Ron Williams have narrow leaves that give them a fern-like texture. This buckthorn aggressively invades wetlands including acidic bogs, fens and sedge meadows.
Issues commonly caused by Buckthorn.