Silene spergulifolia 
Silene stenobotrys 
Silene subconica 
Silene subintegra 
Silene tridentata 
Silene villosa 
Silene vivianii 
Silene_bellidifolia 
Snow-in-Summer 
Spergularia diandra 
Spring Sandwort 
Star chickweed 
Starry Campion 
Sticky Catchfly 
Sticky mouse-ear chickweed 
Strapwort 
Succulent Catchfly 
Suksdorf's silene 
Sweet William 
Sweet William Catchfly 
Telephium imperati 
Telephium sphaerospermum 
Three-spotted Pink 
Thylacospermum caespitosum