four-flower yellow-loosestrife
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Ericales
- family: Primulaceae
- genus: Lysimachia
- species: Lysimachia quadriflora
Cullman
Alabama- Middletown
Connecticut- Berwyn
- Blue Island
- Bourbonnais
- Bradley
- Brookfield
- Calumet Park
- Chicago
- Chicago Ridge
- Creve Coeur
- East Peoria
- Elwood
- Evanston
- Gages Lake
- Glenwood
- Harwood Heights
- La Grange Park
- Lombard
- Lyons
- Manhattan
- North Peoria
- North Riverside
- Oak Lawn
- Oquawka
- Port Byron
- Riverside
- Thornton
- Villa Park
- Winthrop Harbor
- Worth
Illinois- Culver
- Gary
- Knightstown
- Mishawaka
- Notre Dame
- South Bend
Indiana- Ames
- Le Claire
- Mason City
Iowa- Buechel
- West Buechel
Kentucky- Bangor
- Brewer
- Kennebunkport
Maine- Brookmont
- Chillum
- Silver Spring
- Takoma Park
Maryland- Amherst Center
- Barre
- Hadley
- Middleborough Center
- Monson
- Monson Center
Massachusetts- Saint Paul
Minnesota- Edgewater
- Fort Lee
- Leonia
- Palisades Park
- Ridgefield
New Jersey- Boone
North Carolina- Berwick
- Bethlehem
- East Berwick
- Marysville
- Nescopeck
- Penryn
- Temple
- Tinicum
Pennsylvania- Dayton
- Pigeon Forge
Tennessee- Washington, D. C.
Washington, D.C.
United States
Cambridge