| Common Name | Latin Name |
|---|---|
| Nailrod | see Cattails |
| Neckweed | see Purslane Speedwell |
| New England Aster | Aster novae-angliae |
| New York Ironweed | Vernonia noveboracensis |
| Nimblewill | Muhlenbergia schreberi |
| Nodding Spurge | Chamaesyce nutans |
| Nodding Thistle | see Musk Thistle |
| Northern Dewberry | Rubus flagellaris |
