Violet prairie clover
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fabales
- family: Fabaceae
- genus: Dalea
- species: Dalea purpurea
Calgary- Fort Saskatchewan
Alberta
Canada
Camden
Alabama- Decatur
Arkansas- Berwyn
- Brookfield
- Carpentersville
- Cary
- Chicago
- Clarendon Hills
- Evanston
- Fox River Grove
- Glenwood
- Hinsdale
- Hodgkins
- Justice
- La Grange Park
- Lyons
- Manhattan
- McCullom Lake
- North Peoria
- North Riverside
- Oquawka
- Peoria
- Quincy
- Riverside
- Rossville
- Thornton
- Urbana
- West Peoria
- Westmont
- Willow Springs
- Zion
Illinois- Gary
Indiana- Ames
- Centerville
- Grinnell
Iowa- Minneapolis
- Montevideo
- Plymouth
Minnesota- Great Falls
- Helena
Montana- Borough of Bronx
New York- Brookings
- Custer
- Hot Springs
- Yankton
South Dakota- Clarendon
Texas- Washington, D. C.
Washington, D.C.- Buffalo
- Pine Bluffs
Wyoming
United States