Berberis aquifolium -- Oregon Grape

Native

Other namesMahonia aquifolium, Hollyleaved Barberry, Holly-leaf Oregon-grape

[1]

(See also this image)
[9]

[1]

Notes:
Native to the Pacific Northwest and naturalized in Michigan.

References:


(Numbers in photo captions are photo credits, listed in the "Photo Credits" tab at the top of the page)