Buckthorn (Frangula) - Genus

Kingdom: Plants (Plantae)
Division: Flowering Plants (Magnoliophyta)
Class: Dicotyledons | Dicots (Magnoliopsida)
Order: Rhamnales (Rhamnales)
Family: Buckthorn Family (Rhamnaceae)
Genus: Buckthorn (Frangula)

Beechleaf Frangula (Betulifolia)
Beechleaf Frangula, Obovate Buckthorn
California Buckthorn (Californica)
California Buckthorn, California Buckthorn, California Buckthorn
Carolina Buckthorn (Caroliniana)
Cascara Buckthorn (Purshiana)
Blumeri (Blumeri)
Glossy Buckthorn (Alnus)
Red Buckthorn (Rubra)
Nevada Buckthorn, Obtuse Buckthorn, Modoc Buckthorn
West Indian Buckthorn (Sphaerosperma)
West Indian Buckthorn