flat-top aster
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Doellingeria
- species: Doellingeria umbellata
Fort Saskatchewan
Alberta- Campbellton
New Brunswick- Ottawa
- Willowdale
Ontario
Canada
Göteborg
Västra Götaland
Sweden
Evergreen
Alabama- Townsend
Delaware- Aberdeen
- Bladensburg
- Brentwood
- Chevy Chase
- Chevy Chase Village
- Chillum
- College Park
- Colmar Manor
- Cottage City
- District Heights
- East Riverdale
- Edmonston
- Hyattsville
- Langley Park
- Laurel
- Maryland City
- Morningside
- Mount Rainier
- Riverdale Park
- Silver Spring
- South Laurel
- Suitland
- Takoma Park
- University Park
Maryland- East Lansing
Michigan- Borough of Bronx
- East New York
- Merrick
- Penn Yan
New York- Montpelier
Ohio- Mercersburg
- West Chester
Pennsylvania- Barrington
- Warren
- Warwick
Rhode Island- Fairfax
Virginia- Washington, D. C.
Washington, D.C.
United States
Acton