*Mahonia aquifolium (Pursh) Nuttall. Holly-leaf Oregon-grape. Phen: Mar-Jun. Hab: Suburban areas, persistent or weakly spreading from horticultural use. Dist: Native of w. North America.
Origin/Endemic status: W. North America
Synonymy: = K3, K4; = Berberis aquifolium Pursh – FNA3, Mi, NY; = Mahonia aquifolia – NE, orthographic variant; = n/a – C, F
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© Erik Danielson 
© Alan Cressler: Berberis aquifolium, Church Fork, Wasatch National Forest, Salt Lake County, Utah 2 by Alan Cressler source | Original Image ⭷
© Erik Danielson 
© Erik Danielson