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Family: berberidaceae
Common name(s): Asian Twinleaf
Hardiness ratings: USDA zone 3~4 - 7 
General resources
Links for Jeffersonia dubia
- Alpine Garden Society - Ulster - Plant of the month profile
 (2 photos)
- Asianflora - Plant photos. (4 photos)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 3) (8 photos)
- Denver Botanic Gardens - Description, native range, and cultural requirements. (zone 4) (8 photos)
- Garden.org - Community-assembled plant profile (7 photos)
- Iris' Garden - Gardener in the Netherlands presents a photo of this plant, with basic horticultural information. (1 photo)
- NARGS - Plant of the month portrait, with description and information about cultivation and propagation. (1 photo)
- NARGS Image Gallery - Photograph(s) contributed by North American Rock Garden Society members. (1 photo)
- Ontario Rock Garden Society - Germination information (use search on page to find this taxon)
- Plant Delights Nursery - Catalog page with photo, horticultural basics, and descriptive blurb. (zone 4-7) (1 photo)
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