whorled tickseed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Coreopsis
- species: Coreopsis verticillata
Avelgem
Flanders
Belgium
Burnaby
British Columbia
Canada
Denver
Colorado- Bladensburg
- Brentwood
- Brookmont
- Cabin John
- Calverton
- Cheverly
- Chevy Chase Village
- Chillum
- College Park
- Colmar Manor
- Cottage City
- East Riverdale
- Edmonston
- Goddard
- Hyattsville
- Langley Park
- Lanham
- Laurel
- Mount Rainier
- New Carrollton
- Olney
- Riverdale Park
- Seabrook
- Silver Spring
- Takoma Park
- University Park
- Upper Marlboro
Maryland- Washington, D. C.
Washington, D.C.
United States
Lintgen
Kallinge