Common buckthorn

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Rhamnus cathartica

Common buckthorn, a reference photo
Photo: Köhler, F. E. (Franz Eugen) · Public domain

Rhamnus cathartica, the European buckthorn, common buckthorn, purging buckthorn, or just buckthorn, is a species of small tree in the flowering plant family Rhamnaceae. It is native to Europe, northwest Africa and western Asia, from the central British Isles south to Morocco, and east to Kyrgyzstan. It was introduced to North America as an ornamental shrub in the early 19th century, and is now naturalized and classified as an invasive species in the northern United States and Canada from Saskatchewan to Nova Scotia.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

Considered toxic. Public sources list it as such; we have not verified this individually. The seeds and leaves are mildly poisonous for people and animals, but are readily eaten by birds Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Rosales
Family
Rhamnaceae
Genus
Rhamnus
Species
Rhamnus cathartica

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