BC Conservation Data Centre: Species Summary
Mahonia nervosa
dull Oregon-grape
| Scientific Name: | Mahonia nervosa (Pursh) Nutt. | ||||||||||
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| Scientific Name Synonyms: |
Berberis nervosa
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| English Name: | dull Oregon-grape | ||||||||||
| Classification / Taxonomy | |||||||||||
| Scientific Name - Concept Reference: | Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR. | ||||||||||
| Classification Level: | Species | ||||||||||
| Species Group: | Vascular Plant | ||||||||||
| Species Code: | MAHONER | ||||||||||
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| Conservation Status / Legal Designation | |||||||||||
| Global Status: | G5 (Jul 2015) | ||||||||||
| Provincial Status: | S5 (Apr 2019) | ||||||||||
| BC List: | Yellow | ||||||||||
| Provincial FRPA list: | |||||||||||
| Provincial Wildlife Act: | |||||||||||
| COSEWIC Status: | |||||||||||
| SARA Schedule: | |||||||||||
| General Status Canada: | 4 - Secure (2010) | ||||||||||
| Ecology & Life History | |||||||||||
| General Description: | |||||||||||
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| Global Ecology Comments: | Berries and leaves are browsed by ungulates and rodents (Tilford1998). Also, provides significant forage for the white-footed vole in coastal Oregon (Vance et al. in press). This plant aerates and stabilizes soils. | ||||||||||
| Habitats: (Type / Subtype / Dependence) |
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| Global Habitat Comments: | An understory plant in western North American coniferous forests, typically growing only on the western side of the Cascades Range below 2200 m. Relatively shade tolerant and common in second-growth Douglas-fir forests (Vance et al in press). | ||||||||||
| Provincial Phenology: (1st half of month/ 2nd half of month) |
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| Elevation (m) (min / max): | Provincial: | ||||||||||
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| Dispersal: | |||||||||||
| Provincial Inventory | |||||||||||
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| Economic Attributes | |||||||||||
| Global Economic Use: |
LANDSCAPING
MEDICINE/DRUG |
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| Distribution | |||||||||||
| Endemic: | N | ||||||||||
| Global Range Comment: | Mahonia nervosa ranges from British Columbia, Canada, and south through California, U.S. | ||||||||||
| Disjunct, more common elsewhere: | |||||||||||
| Peripheral, major distribution elsewhere: | |||||||||||
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| Last Literature Search: | |||||||||||
| References and Related Literature | |||||||||||
Flora of North America Editorial Committee (FNA). 1997. Flora of North America north of Mexico. Vol. 3. Magnoliophyta: Magnoliidae and Hamamelidae. Oxford Univ. Press, New York. xxiii + 590 pp. |
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Please visit the website Conservation Status Ranks for definitions of the data fields used in this summary report.
Suggested Citation:
B.C. Conservation Data Centre. Species Summary: Mahonia nervosa. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Jun 8, 2026).