National Invasive Species Information Center
U.S. Department of Agriculture

Common Buckthorn

Scientific Name

Rhamnus cathartica L. (ITIS)

Common Name

Common buckthorn, European buckthorn, Hart's thorn, European waythorn

Native To

Europe and Western Asia (Knight et al. 2007)

Date of U.S. Introduction

Early 1800s, or possibly earlier (Knight et al. 2007)

Means of Introduction

Introduced as an ornamental (Knight et al. 2007)

Impact

Forms dense stands that dominate ecosystems and displace native species (Mascaro et al. 2007)

Current U.S. Distribution

Northeastern, Midwestern, and Western U.S.

Common buckthorn - Invasive.org
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European buckthorn foliage

Credit

Photo by Paul Wray; Iowa State University

Source
Invasive.org.

Find more images

Spotlights

  • Distinguishing Invasive Buckthorn from Native Alderleaf Buckthorn

    • Corteva Agriscience. TechLine Invasive Plant News.

    • 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 from native alderleaf buckthorn.

Distribution / Maps / Survey Status

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Selected Resources

The section below contains highly relevant resources for this species, organized by source.

Council or Task Force
Partnership
Federal Government
State and Local Government
Academic
Professional
Citations