Curtiss' milkwort
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fabales
- family: Polygalaceae
- genus: Polygala
- species: Polygala curtissii
Baden- Beltsville
- Berwyn Heights
- Bladensburg
- Brentwood
- Calverton
- Cheverly
- Chillum
- College Park
- Colmar Manor
- Cottage City
- District Heights
- East Riverdale
- Edmonston
- Forest Glen
- Fort George G Mead Junction
- Four Corners
- Goddard
- Hillcrest Heights
- Hyattsville
- Jessup
- Langley Park
- Lanham
- Laurel
- Marlow Heights
- Maryland City
- Morningside
- Mount Rainier
- New Carrollton
- Riverdale Park
- Seabrook
- Silver Hill
- Silver Spring
- South Laurel
- Suitland
- Takoma Park
Maryland- Washington, D. C.
Washington, D.C.
United States