Atlantic mannagrass
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Poaceae
- genus: Glyceria
- species: Glyceria obtusa
Harrison
MaineCambridge
Dedham
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Rehoboth
Somerville
Wayland
MassachusettsHometown
Pennsylvania
United States