Ragged Pink          

Ragged Robin          

Rainbow Pink          

Red Catchfly          

Red Fir Catchfly          

Red Mountain Catchfly          

Red Sandspurry          

Regels Chickweed          

Ridgetop Schiedea          

Rio Grande Nailwort          

Rixfords Rockwort          

Robust Starwort          

Rock Soapwort          

Rock Stitchwort          

Rock-loving Sandwort          

Rockwort          

Rocky Mountain Chickweed          

Rocky Mountain Nailwort          

Rose Campion          

Rose Silene