Robuta

https://phytochem.nal.usda.gov/ethnobotanical-plant-rhamnus-frangula Ethnobotanical Plant Rhamnus frangula | Dr. Duke's Phytochemical and Ethnobotanical Databases rhamnus frangula ethnobotanical plant dr duke https://botanydb.colorado.edu/taxa/index.php?tid=23187 University of Colorado Museum of Natural History Herbarium - Rhamnus frangula university of colorado natural history museum herbarium rhamnus https://trees.stanford.edu/ENCYC/RHAcal.htm Frangula californica (syn. Rhamnus californica), coffeeberry | Trees of Stanford & Environs frangula syn rhamnus trees stanford