Small White Violet      

Small Whorled Pogonia          

Small Woodland Sunflower          

Smallanthus          

Smallflower Baby Blue Eyes          

Smallflower Blueberry          

Smallflower Buttercup          

Smallflower Fumewort          

Smallflower Halfchaff Sedge          

Smallflower Hawksbeard          

Smallflower Mock Buckthorn          

Smallflower Pawpaw          

Smallflower Phacelia          

Smallflower Sweetbrier          

Smallflower Tamarisk          

Smallflower Thoroughwort          

Smallfruit Agrimony          

Smallfruit Beggarticks      

Smallfruit Primrose-willow          

Smallfruit Spikerush          

Smallhead Aster          

Smallhead Beaksedge          

Smallhead Blazing Star          

Smallhead Rush      

Smallspike False Nettle      

Smooth Azalea      

Smooth Beggartick      

Smooth Blackberry          

Smooth Blue Aster          

Smooth Brome      

Smooth Carrionflower          

Smooth Cordgrass      

Smooth Crabgrass          

Smooth Elephantsfoot          

Smooth Flatsedge          

Smooth Forked Nailwort          

Smooth Hawksbeard          

Smooth Hedgenettle      

Smooth Joyweed          

Smooth Oxeye          

Smooth Phlox      

Smooth Purple Coneflower          

Smooth Rattlebox          

Smooth Rock Skullcap