Alder Buckthorn Small 231×320 Medium 462×640 Large 739×1024 Download Tiff Original 1733×2400 | (950.2 KB) Description "Alder Buckthorn. Buckthorn, the name of an extensive genus of trees and shrubs, order Rhamnaceae." -Vaughan, 1906 Keywords alder buckthorn, black dogwood, Botany, breaking buckthorn, flower, glossy buckthorn, leaves, plant, Rhamnaceae, Rhamnus frangula, shrub, tree Galleries Flowers and Shrubs: B Source: L. Brent Vaughan Hill's Practical Reference Library of General Knowledge (New York, NY: Dixon, Hanson & Company, 1906)
