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  1. Rhamnus cathartica - Wikipedia

    Rhamnus cathartica, the European buckthorn, [3] common buckthorn, purging buckthorn, or just buckthorn, is a species of small tree in the flowering plant family Rhamnaceae.

  2. 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 …

  3. Common Buckthorn | National Invasive Species Information Center

    Distinguishing between non-native and native buckthorn is important so that management efforts can be targeted appropriately. This article desribes and separates the two invasive buckthorns …

  4. Buckthorn | Invasive, Shrub, Hedgerow | Britannica

    Buckthorn, any of about 100 species of shrubs or trees belonging to the genus Rhamnus, family Rhamnaceae, native to temperate areas in the Northern Hemisphere. The cascara buckthorn …

  5. 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 …

  6. Buckthorn leafs out early and retains its leaves late into the fall, creating dense shade that helps it to out-compete many native plants. Common, or European, buckthorn, and glossy buckthorn …

  7. Rhamnus cathartica (Common Buckthorn, European Buckthorn, …

    Common buckthorn is a deciduous shrub or small tree in the Rhamnaceae or buckthorn family and is native to Europe, Africa and northern Asia. It was introduced to North America in the …

  8. 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 …

  9. 28 Facts About Buckthorn

    Apr 10, 2025 · Discover 28 fascinating facts about Buckthorn, from its invasive nature to its medicinal uses. Learn how this plant impacts ecosystems and more.

  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 …