| Scientific Name | Common Name | Image |
|---|---|---|
| Glyceria acutiflora | ||
| Glyceria arkansana | Arkansas Mannagrass | |
| Glyceria borealis | Small Floating Mannagrass, Northern Mannagrass | |
| Glyceria canadensis | Rattlesnake Mannagrass | |
| Glyceria declinata | ||
| Glyceria fluitans | Water Mannagrass | |
| Glyceria grandis var. grandis | American Mannagrass | |
| Glyceria laxa | Lax Mannagrass | |
| Glyceria melicaria | Slender Mannagrass, Melic Mannagrass | |
| Glyceria nubigena | Smoky Mountain Mannagrass | |
| Glyceria obtusa | Coastal Mannagrass | |
| Glyceria septentrionalis | Floating Mannagrass, Eastern Mannagrass | |
| Glyceria striata var. striata | Fowl Mannagrass |