Mark Hyde, Bart Wursten and Petra Ballings   cc-by-nc

Rhamnus (Buckthorn) is a genus of tree in the family Rhamnaceae. They are native to The Contiguous United States and Canada. They have drupes. Flowers are visited by White-throated Sparrow, Black-Capped Chickadee, Junonia grisea, and Great Purple Hairstreak. Individuals can grow to 19 m.

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EOL has data for 15 attributes, including:

Known occurrences, collected specimens and observations of buckthorn. View this species on GBIF