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  1. Rhamnus cathartica - Wikipedia

    Rhamnus cathartica is a deciduous, dioecious shrub or small tree growing up to 10 metres (33 ft) tall, with grey-brown bark and often thorny branches.

  2. Common Buckthorn | Ohio Department of Natural Resources

    Common Buckthorn (Rhamnus cathartica), also known as European Buckthorn, is an invasive shrub found throughout Ohio, the greater Midwest, and a large portion of the eastern United …

  3. Buckthorn: How can a shrub be so harmful? - Friends of the …

    Common buckthorn is a tall, understory shrub brought to North America in the early 1800s as an ornamental shrub, primarily to serve as a hedgerow. But this woody plant escaped from yards …

  4. Buckthorn Identification

    Common and Glossy Buckthorn can be tall shrubs or small trees which may reach 6 to 25 feet and have trunks 10 inches in diameter. Buckthorns usually have a few to several stems or …

  5. Identifying Common Buckthorn and Understanding Its Impact

    May 2, 2025 · Common buckthorn (Rhamnus cathartica) is an invasive shrub or small tree that has become a major threat to North American ecosystems. Native to Europe and western …

  6. Buckthorn - Minnesota DNR

    Common, or European, buckthorn, and glossy buckthorn are the two non-native, invasive buckthorn species found in Minnesota. These buckthorn species were first brought here from …

  7. Types of Buckthorns: Common, Glossy, and Fine Line Buckthorns

    Sep 22, 2023 · This article provides an identification guide to different types of buckthorn plants. Descriptions and pictures of various species of common buckthorn trees and shrubs will help …

  8. Invasive Common Buckthorn: A Threat to Our Forests

    Jul 3, 2025 · Common buckthorn trees are native to Eurasia, but invasive in North America, where they harm ecosystems by crowding out native plant species and creating a monoculture.

  9. How to Plant and Grow Buckthorn - Better Homes & Gardens

    Apr 5, 2023 · Buckthorn is an adaptable shrub, but it grows best in full sun or partial shade. Buckthorn prefers moist, well-drained soil, but it tolerates a variety of soil types and …

  10. Buckthorn: Accurate Identification - Penn State Extension

    Common (Rhamnus cathartica) and glossy buckthorn (Frangula alnus) are invasive shrubs or small trees. Common buckthorn is most often found invading open woodlands and forest …