The Barberry Family East of the Cascade Mountains of Oregon and Washington

Deerfoot, Deer's-foot, Sweet-after-death, Vanillaleaf, Vanilla Leaf: Achlys triphylla (Synonyms: Achlys californica, Achlys triphylla ssp. triphylla, Leontice triphylla) - Herbaceous plants, the leaves broad and trifoliate and the flowers in dense spides. Generally found from the eastern base of the Cascades west.

Holly-leaf Oregon-grape, Shining Oregon Grape, Tall Oregon Grape: Berberis aquifolium (Synonyms: Berberis aquifolium var. aquifolium, Berberis nutkana, Mahonia aquifolium, Odostemon aquifolium) - Taller shrubs from 50-300 cm high with evergreen, spiny-margined leaves. Leaves with 5-9 leaflets. Generally found from the eastern base of the Cascades west.

Cascade Oregon Grape, Dull Oregon Grape, Long-leaved Oregon Grape: Berberis nervosa (Synonyms: Berberis nervosa var. mendocinensis, Mahonia nervosa, Mahonia nervosa var. mendocinensis, Mahonia nervosa var. nervosa, Odostemon nervosus) - Shrubs with evergreen, spiny-margined leaves. Leaves with 9-15 leaflets. Generally found from the eastern base of the Cascades west, and in the Blue and Wallowa Mts.

Piper's Barberry: Berberis piperiana (Synonym: Mahonia piperiana) - Enters the region in southwestern Klamath County, OR.

Creeping Oregon Grape, Low Oregon Grape: Berberis repens (Synonyms: Berberis aquifolium var. repens, Berberis nana, Berberis sonnei, Mahonia repens, Mahonia sonnei, Odostemon repens) - Low shrubs to 20 cm high with evergreen, spiny-margined leaves. Leaves with 3-9 leaflets. Generally found from the eastern base of the Cascades west.

Japanese Barberry: Berberis thunbergii -

Common Barbery, European Barberry: Berberis vulgaris -

Inside-out-flower, Northern Vancouveria, White Inside-out Flower: Vancouveria hexandra (Synonyms: Epimedium hexandrum, Vancouveria brevicula, Vancouveria picta) - Extends eastwards to the lower eastern foothills of the Cascade Mountains.