Common buttonbush
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Gentianales
- family: Rubiaceae
- genus: Cephalanthus
- species: Cephalanthus occidentalis
Fort Erie
Gravenhurst
Ontario
Canada
Pinar del Río
Pinar del Río
Cuba
Sayaxché
Petén
Guatemala
Bergshamra
Djursholm
Stockholm
Göteborg
Västra Götaland
Sweden
Villages of Oriole
Florida
Emporia
Kansas
Bladensburg
Brentwood
Cabin John
Cheverly
Chevy Chase Village
Colmar Manor
Cottage City
Edmonston
Federalsburg
Forest Glen
Forest Heights
Four Corners
Glassmanor
Goddard
Havre de Grace
Hyattsville
Lanham
Marlboro Meadows
Mount Rainier
New Carrollton
Oxon Hill
Perryville
Seabrook
Silver Spring
Maryland
Haslett
Michigan
Rosenhayn
New Jersey
Borough of Bronx
Manhattan
New York
Centre Hall
Pennsylvania
Washington, D. C.
Washington, D.C.
United States