Common or European BarberryBerberis vulgaris
- ANPC Rank –
- Moss, Flora of Alberta – No
- Global Invasive Species Database –
- NatureServe Rank – Medium/Low formerly widely cultivated;can crowd out native understory species esp.open areas such as shrub wetlands.
- Haber, Upland –
- Haber, Wetland –
- CWF, Status & Invasive Range –
- Alberta Revegetation Guidelines –
- The Nature Conservancy –
- CBCN –
- AB Weed – Prohibited Noxious
Occurs in BC, ID, MT, and SK, and prohibited in many US Jurisdictions.
 "Berberis vulgaris L., common barberry, épine-vinette commune Tall shrub, usually 4 to 8 feet (12 to 24 dm.) high; clusters of yellow flowers and, later, bright red berries; sporadic in uncultivated habitats; largely eradicated from main grain-growing areas. Alternate host for a serious fungus disease, stem rust of wheat, oats, barley, and some other grasses. Introduced from Europe, probably as an ornamental; importation and sale now prohibited." - Canadian Weed Science Society
 Biology of black stem rust in wheat (for which common barberry is the primary alternate host, obligate for sexual reproduction of the fungus, without which new virulent strains rarely emerge). - USDA Cereal Disease Laboratory, 2001.
 Stem rust of wheat, Puccinia graminis f. sp. tritici, on Wheat and barley, common barberry (and some additional Berberis, Mahoberberis, and Mahonia spp.) - The American Phytopathological Society, 2011
 Link to USDA Plants Database, Berberis vulgaris L.
sample: Map data for T. ramosissima