salt-marsh water-hemp
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Caryophyllales
- family: Amaranthaceae
- genus: Amaranthus
- species: Amaranthus cannabinus
Leonardtown
Mayo
Riva
Solomons
MarylandLittle Ferry
Moonachie
Ridgefield Park
New JerseyBelville
Kings Grant
Wilmington
North CarolinaBristol
PennsylvaniaAlexandria
Belle Haven
Huntington
VirginiaWashington, D. C.
Washington, D.C.
United States