[The Buckthorn Family East of the Cascade Mountains of Oregon and Washington]

Buckthorns and Cascara East of the Cascade Mountains of Oregon and Washington

The Genus Rhamnus

Cascara, Cascara Buckthorn, False Buckthorn: Rhamnus purshiana (Synonym: Frangula purshiana)

Alder Buckthorn, Alder-leaf Buckthorn, Alder-leaved Coffeeberry: Rhamnus alnifolia (Synonym: Rhamnus californica var. occidentalis) -

Cascara, Cascara Buckthorn, False Buckthorn: Rhamnus purshiana (Synonym: Frangula purshiana) -

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