Plants

• 

  Side Oats Grama
  (Bouteloua curtipendula)

• 

  Sky Blue Aster
  (Aster azureus)

• 

  Smooth Blue Aster
  (Aster laevis)

• 

  Smooth Penstemon
  (Penstemon digitalis)

• 

  Sneezeweed
  (Helenium autumnale)

• 

  Stiff Goldenrod
  (Solidago rigida)

• 

  Swamp Milkweed
  (Asclepias incarnata)

• 

  Sweet Black Eye Susan
  (Rudbeckia subtomentosa)

• 

  Sweet Grass
  (Hierochloe odorata)

• 

  Sweet Indian Plantain
  (Cacalia suaveolens)

• 

  Switch Grass
  (Panicum virgatum)

• 

  Tall Larkspur
  (Delphinium exaltum)