Rhamnaceae (weeds) - (buckthorn family)
This family contains around 900 species of plants which are usually trees or shrubs, often with thorns. Some species are invasive and have become important weeds like common buckthorn, Rhamnus cathartica. The leaves are simple, not divided into leaflets. The flowers are usually small, yellowish or greenish with 5 petals. The fruits are typically berries, drupes or nuts.
The following weed species are currently entered under this family: