| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Poaceae | Glyceria striata var. striata | Fowl Mannagrass | Wet meadows, seepages, bogs, marshes, swamp forests, freshwater tidal marshes, bottomland forests in mesic soils. | NL (Newfoundland) west to BC, south to FL, CA, and to c. Mexico. |  |
| Poaceae | Glyceria striata var. stricta | Wet meadows. | NL (Labrador) west to AK, south to Long Island (?), IL, IA, SD, and n. Mexico (?). |