Previously grown as Mahonia nervosa

Plants of the World online, Kew Science http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:31492-2 Link

In traditional medicine: A decoction of the peeled and chopped root bark has been used as a wash in treating arthritis and as an eyewash for red itchy eyes (Moerman. D. Native American Ethnobotany Timber Press. Oregon. 1998)

http://www.pfaf.org https://pfaf.org/user/plant.aspx?latinname=Mahonia+nervosa

The Genus name of the synonym Mahonia nervosa was named for Bernard M'Mahon (1775-1816), American Horticulturist.

Stearn, W.T. (1996). Dictionary of Plant Names for Gardeners. Cassell.

Northern America, Northwestern U.S.A.

Northern America, Southwestern U.S.A.

Northern America, Western Canada