Rhamnus arguta Maxim. |... powo.science.kew.org

Sharp-tooth buckthorn :... www.misin.msu.edu

Rhamnus arguta Maxim. |... powo.science.kew.org

Rhamnus (plant) - Wikipedia... en.wikipedia.org

SEINet Portal Network -... swbiodiversity.org

SERNEC - Rhamnus alnifolia sernecportal.org

Rhamnus alaternus - Trees... www.treesandshrubsonline.or...

Rhamnus arguta Maxim. |... powo.science.kew.org

SEINet Portal Network -... swbiodiversity.org

SEINet Portal Network -... swbiodiversity.org

Rhamnus alaternus - Trees... www.treesandshrubsonline.or...

Rhamnus arguta ·... ecuador.inaturalist.org

SEINet Portal Network -... swbiodiversity.org

Rhamnus alaternus - Trees... www.treesandshrubsonline.or...

Rhamnus alaternus - Trees... www.treesandshrubsonline.or...

Rhamnus alaternus - Trees... www.treesandshrubsonline.or...

Rhamnus frangula - Trees... www.treesandshrubsonline.or...

锐齿鼠李Rhamnus arguta... www.zhiwutong.com

common buckthorn, European... www.invasive.org

Rhamnus arguta Maxim. |... powo.science.kew.org