Rumex 
Rush 
Bog 
Family 
Northern Tundra 
Southern Tundra 
Spike 
Toad 
Russian Thistle 
Rye, Wild 
Rynchospora 
Sagebrush 
Sagittaria 
Ste John's Wort 
Family 
Salicaceae 
Salix 
Salmon Berry 
Salsify 
Salsola 
Sambucus 
Sandalwood Family 
Sandcwort 
Sanicle 
Sanguisorba 
Sanicula 
Santalaceae 
Sarsaparilla 
Wild 
Satureia 
Saussurea 
Saxifraga 
Saxifragaceae 
Saxifrage 
Family 
Scheuchzeria 
Scheuchzeriaceae 
Scirpus 
Scrophularia 
Scrophulariaceae 
Scutellaria 
Sedge 
Family 
Sedum 
Selaginella 
Selaginellaceae 
Self-heal 
Senecio 
Senecioneae 
Septarrhena 
Serapias 
Sericotheca 
Service Berry 
Setaria 
Sheep sorrel 
Shepherdia 
Shepherd's Purse 
Shootir~ Star 
Sibbaldia 
Sidalcea 
Sieversia 
Silene 
1118 
