S

Sabal ........................................................ 15, 32

Sage, Black.................................................... 17

Sage, Creeping .............................................. 44

Sage, Purple .................................................. 44

Sage, White.................................................... 17

Sahuaro .......................................................... 17

Sainfoin .......................................................... 51

Salal .............................................................. 51

Salix ................................................................ 38

Salmonberry ................................................. 17

Salt Cedar .................................................... 51

Salvia ........................................................ 17, 44

Sambucus ...................................................... 9

Sapindus ........................................................ 19

Sapium .......................................................... 25

Saskatoon ...................................................... 18

Sassafras ........................................................ 35

Satureja .......................................................... 44

Saururus ........................................................ 12

Screwbean .................................................... 37

Scrophularia .................................................. 58

Sea-grape ........................................................ 18

Sea-myrtle .................................................... 57

Senecio .......................................................... 34

Senisa ............................................................ 44

Sensitive-Pea ................................................ 33

Serenoa .......................................................... 16

Serviceberry .................................................. 18

Shadbush ...................................................... 18

Sheepberry .................................................... 22

Siberian Pea Tree ...................................... 35

Sicyos ............................................................ 27

Silphium ........................................................ 25

Silverbell ........................................................ 18

Simpson’s Honey Plant .............................. 58

Skunk Cabbage ............................................ 57

Smartweed .................................................... 49

Sneezeweed .................................................. 24

Snowberry .................................................... 18

Snowbush ...................................................... 18

Snowvine ........................................................ 18

Snow-on-the-mountain ................................ 18

Soapberry .................................................... 19

Soapbush ........................................................ 51

Solidago ........................................................ 28

Sonchrus ........................................................ 35

Sophora .......................................................... 44

Sorrel Tree .................................................... 19

Sotol ................................................................ 35

Sourbush ...................................................... 41

Sourwood ...................................................... 19

Southern Buckthorn.................................... 8

Sow-Thistle .................................................... 35

Soybean .......................................................... 20

Spanish Bayonet .......................................... 23

Spanish Dagger ............................................ 23

Spanish Needles .......................................... 35

Sparkleberry ................................................ 10

Spearmint .................................................... 45

Spectacle Plant ........................................ 29

Spicebush ...................................................... 36

Spikeweed ...................................................... 36

Spiraea .......................................................... 14

Spring Beauty ............................................ 20

Spurge, Leafy .............................................. 36

Squaw Bush ................................................ 44

Stachys .......................................................... 50

Star Thistle, Yellow .................................... 36

Starwort ........................................................ 7

Stellaria .......................................................... 7

Stickweed ...................................................... 38

Sticky Laurel ................................................ 18

Stiff Savory .................................................. 44

Stinking Clover ............................................ 51

Stinkweed .................................................... 29

Stizolobium .................................................. 45

Stone-Mint .................................................... 47

Strawberry .................................................... 20

Sumac ............................................................ 20

Summer Farewell ........................................ 20

Sunflower ...................................................... 36

Swamp Loosestrife ...................................... 52

Sweet Clover, White .................................. 20

Sweet Clover, Yellow ................................ 37

Sweet Pepperbush ...................................... 22

Symphoricarpos .................................... 18, 48

Symplocarpus .............................................. 57

T

Tamarisk ........................................................ 51

Tamarix ........................................................ 51

Taraxacum .................................................... 27

Tarweed .................................................. 35, 37

Teasel ............................................................ 45

Texas Buckthorn.......................................... 56

Thistle, Canada ............................................ 40

Thistle, Globe .............................................. 45

Thistle, Purple ............................................ 45

Thorn-Apple ................................................ 10

Thoroughwort .............................................. 5

Thyme ............................................................ 45

Thymus .......................................................... 45

Tickseed Sunflower .................................... 35

Tie-Vine ........................................................ 52

Tilia ................................................................ 24

Titi, Spring .................................................. 22

Titi, Summer ................................................ 22

Tornillo .......................................................... 37

Toyon .............................................................. 22

Trachelospermum ........................................ 27

Tree-Of-Heaven ............................................ 58

Trefoil, Bird's-foot ...................................... 37

Trichostema .................................................. 40

Trifolium ........................................7, 8, 25, 48

Trilisia ............................................................ 45

Tulip-Poplar ................................................ 37

Tulip-Tree ...................................................... 37

Tupelo ............................................................ 58

Turkestan Thistle ........................................ 43

Turkey Mullein ............................................ 58

Turnips .......................................................... 32

U

Ulmus ............................................................ 55

Umbellularia ................................................ 30

V

Vaccinium ............................................ 5, 8, 10

Valerianella .................................................. 8

Vanilla Plant ................................................ 45

Varnish Tree ................................................ 28

Velvet Bean .................................................. 45

Verbena .......................................................... 46

Verbesina ...................................................... 27

Vernonia ........................................................ 43

Vervain .......................................................... 46

Vetch, Hairy ................................................ 46

Viburnum ...................................................... 22

Vicia ................................................................ 46

Vigna .............................................................. 8

Vinegar Weed .............................................. 40

Vining Milkweed ........................................ 5

Viper’s Bugloss ............................................ 40

Virginia Creeper ..................................... 58

Vitex .............................................................. 47

Vitis ................................................................ 55

W

Wampee .......................................................... 44

Waterleaf ...................................................... 47

Water-willow ........................................ 47, 52

White Alder .................................................. 22

White Brush ................................................ 23

White-weed .................................................. 9

Wild China .................................................... 19

Wild Currant ................................................ 24

Wild Indigo .................................................. 47

Wild Raisin .................................................. 22

Willow ............................................................ 38

Willow Black ................................................ 38

Willow Herb ................................................ 49

Willow, Pussy ................................................ 38

Wingstem ........................................................ 38

Wisizenia ...................................................... 29

Witherod ........................................................ 22

Wolfberry ...................................................... 18

Wonder Honey Plant .................................. 4

Woodbine ...................................................... 58

Wood Dittany ................................................47

X

Xanthoxylum ................................................ 34

Y

Yaupon .......................................................... 38

Yellow Flower ............................................ 38

Yellow Jessamine ........................................ 30

Yellow Poplar .............................................. 37

Yellow Rocket .............................................. 38

Yellow-Top .................................................... 27

Yellowwood .................................................. 23

Yerba Dulce .................................................. 58

Yerba Santa .................................................. 23

Yucca ...................................................... 23

Z

Zea .................................................................. 53

Zizyphus ........................................................ 56