Marsh rice rat
- kingdom: Animalia
- phylum: Chordata
- class: Mammalia
- order: Rodentia
- family: Cricetidae
- genus: Oryzomys
- species: Oryzomys palustris
Parrita
Puntarenas
Costa Rica
Puerto El Triunfo
Usulután
El Salvador
Cintalapa de Figueroa
Chiapas- Iguala de la Independencia
- Ixtapa
- Zihuatanejo
Guerrero- San Patricio
- Soyatlán del Oro
Jalisco- Aticama
- Ixtlán del Río
Nayarit- Tehuacán
Puebla- Xilitla
San Luis Potosí- Teapa
Tabasco- Jaumave
Tamaulipas
Mexico
Auburn- Gulf Shores
- Slocomb
Alabama- Conway
Arkansas- Cairo
Illinois- Abbeville
- Addis
- Amite
- Arnaudville
- Baker
- Barataria
- Basile
- Baton Rouge
- Brusly
- Cameron
- Cecilia
- Church Point
- Convent
- Cottonport
- Crowley
- Denham Springs
- Eunice
- Ferriday
- Fort Polk North
- Gardere
- Glenmora
- Gonzales
- Gramercy
- Grand Isle
- Gueydan
- Hackberry
- Hahnville
- Harrisonburg
- Henderson
- Inniswold
- Iowa
- Jackson
- Jean Lafitte
- Jeanerette
- Lafayette
- Lawtell
- Leesville
- Lutcher
- Mamou
- Mansfield
- Mansura
- Maringouin
- Merrydale
- Milton
- Monroe
- Natchitoches
- New Orleans
- Oak Hills Place
- Old Jefferson
- Pine Prairie
- Plaquemine
- Port Allen
- Schriever
- Shenandoah
- Slidell
- Sunset
- Village Saint George
- Violet
- Watson
- West Ferriday
- Westminster
- Youngsville
- Zachary
Louisiana- Glen Burnie
- South Gate
Maryland- Calhoun Falls
- Folly Beach
- Mount Pleasant
- Yemassee
South Carolina- Chincoteague
- South Suffolk
- Suffolk
Virginia
United States