[Cascade Mts. Wildflower ID Key- 3 or 6 Petals]
The Barberry Family in the Cascade Mts.

Berberidaceae

Cascade Oregon Grape
Barberry Family Members of the Cascade Mts.:

Vanilla Leaf, Deerfoot: Achlys triphylla -

Shining Oregon Grape, Tall Oregon Grape: Berberis aquifolium -

Cascade Oregon Grape, Long-leaved Oregon Grape: Berberis nervosa -

Piper's Barberry: Berberis piperiana -

Creeping Oregon Grape, Low Oregon Grape: Berberis repens -

Yellow Vancouveria, Siskiyou Inside-out Flower: Vancouveria chrysantha -

Inside-out Flower, White Inside-out Flower, Northern Vancouveria: Vancouveria hexandra -

Paul Slichter