| 1 | Calamagrostis | arenaria | European Beachgrass | Grasses | Poaceae | Magnoliopsida |
| 2 | Calamagrostis | breviligulata ssp. breviligulata | American Beachgrass | Grasses | Poaceae | Magnoliopsida |
| 3 | Calamagrostis | canadensis ssp. canadensis | Bluejoint | Grasses | Poaceae | Magnoliopsida |
| 4 | Calamagrostis | cinnoides | Arctic Reedgrass | Grasses | Poaceae | Magnoliopsida |
| 5 | Calamagrostis | porteri | Porter's Reedgrass | Grasses | Poaceae | Magnoliopsida |