Rhamnus serrata, the sawleaf buckthorn, is a species of plant in the family Rhamnaceae. The shrub is native to Arizona, New Mexico, eastern northern Mexico, and Texas. ITIS Rhamnaceae of North America Update, database (version 2011): Rhamnus serrata Flora del noroeste dé Mexico: Rhamnus serrata
References
External links USDA Plants Profile for Rhamnus serrata (sawleaf buckthorn)