Rock thyme 
Rose mock vervain 
Roseleaf Sage 
Rosemary 
Rotheca myricoides 
Roundleaf cancerwort 
Roundleaf Chiretta 
Rush Bladderwort 
Russian Sage 
Salvia absconditiflora 
Salvia bracteata 
Salvia candidissima 
Salvia ceratophylla 
Salvia farinacea 
Salvia guaranitica 
Salvia indica 
Salvia judaica 
Salvia lanigera 
Salvia macilenta 
Salvia mexicana 
Salvia microstegia 
Salvia multicaulis 
Salvia palaestina 
Salvia pinnata