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Family: rutaceae
Common name(s): toothache tree
Hardiness ratings: USDA zone -1~3 - -a~7 
General resources
Links for Zanthoxylum americanum
- Arthur Lee Jacobson - Seattle plantsman provides ethnobotanical and cultural information.
 (1 photo)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 3-7) (2 photos)
- Garden.org - Community-assembled plant profile (11 photos)
- Illinois Wildflowers - Informative illustrated page with description and cultivation details, also covering range and faunal associations. (4 photos)
- Kansas Wildflowers & Grasses - Plant portrait with botanical details and description (14 photos)
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (3 photos)
- Missouri Botanical Garden - Plantfinder page for one of the plants growing at the garden, with usually one or more photos, horticultural information, and noteworthy characteristics. (zone 3-7) (3 photos)
- Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (5 photos)
- Trees and Shrubs Online - Reference page curated by the International Dendrology Society with descriptive characteristics and horticultural notes. (1 photo)
- Virginia Tech Dendrology - Factsheet with botanical characteristics and photos of various features. (zone -1--1) (5 photos)
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