Nailwort          

Nakedflower Ticktrefoil          

Nakedstem Dewflower          

Narrow Plumegrass          

Narrowleaf Blue-eyed Grass      

Narrowleaf Cattail      

Narrowleaf Evening Primrose      

Narrowleaf False Dragonhead          

Narrowleaf Gumweed          

Narrowleaf Ironweed          

Narrowleaf Knotweed          

Narrowleaf Marsh Elder          

Narrowleaf Mountainmint          

Narrowleaf Paleseed          

Narrowleaf Pinweed          

Narrowleaf Plantain          

Narrowleaf Primrose-willow          

Narrowleaf Purple Everlasting          

Narrowleaf Rose Gentian          

Narrowleaf Silkgrass      

Narrowleaf Stoneseed          

Narrowleaf Vervain          

National Common Name           

Nebraska Blazing Star          

Neckweed          

Needle Beaksedge          

Needle Spikerush      

Needlegrass          

Needleleaf Rosette Grass      

Needlepod Rush      

Nepalese Browntop          

Nerveray          

Netleaf Leather Flower          

Netted Chainfern          

Netted Nutrush          

Nettle          

Nettleleaf Goosefoot          

Nettleleaf Noseburn          

New England Aster          

New Jersey Tea      

New York Fern      

Nicandra          

Nightcaps          

Nightshade