Echinochloa walteri
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Poaceae
- genus: Echinochloa
- species: Echinochloa walteri
Les Cèdres
Quebec
Canada
Santiago de las Vegas
Havana
Cuba
Mobile
Alabama- East Hartford
- New Haven
- Orange
- Poquonock Bridge
- West Haven
- Wethersfield
Connecticut- Bethany Beach
- Cheswold
- Ocean View
Delaware- East Saint Louis
- Henry
- Oquawka
Illinois- Boston
- Harwich
- Harwich Port
- Medford
Massachusetts- Kalamazoo
Michigan- Barnum Island
- Borough of Bronx
- Bronxville
- Cayuga Heights
- Cedarhurst
- East Ithaca
- Harbor Isle
- Inwood
- Island Park
- Ithaca
- Jamaica
- Lawrence
- Long Beach
- Mastic
- Montauk
- Moriches
- Mount Vernon
- North Valley Stream
- Oyster Bay
- Piermont
- Red Hook
- Saugerties
- Saugerties South
- South Hill
- South Valley Stream
- Sparkill
- Valley Stream
- Woodmere
New York- Belville
- Seagate
- Swanquarter
- Wilmington
North Carolina- San Marcos
- Seguin
Texas- Alexandria
- Belle Haven
- Huntington
Virginia- Washington, D. C.
Washington, D.C.- Brice Prairie
- Green Bay
- Omro
Wisconsin
United States
Palizada