Venus' pride
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Gentianales
- family: Rubiaceae
- genus: Houstonia
- species: Houstonia purpurea
Auburn- Cleveland
- Dadeville
- Smoke Rise
- Wedowee
Alabama- Clarks
Louisiana- Beltsville
- Berwyn Heights
- Brookmont
- Cabin John
- Chevy Chase
- Chevy Chase Village
- College Park
- Colmar Manor
- Cottage City
- East Riverdale
- Edmonston
- Friendship Village
- Glenmont
- Hyattsville
- Kensington
- La Plata
- Langley Park
- Laurel
- North Kensington
- Potomac
- Riverdale Park
- Silver Spring
- Somerset
- South Kensington
- Takoma Park
- University Park
- Wheaton
Maryland- Oak Hill
Tennessee- Washington, D. C.
Washington, D.C.
United States