Asclepias tuberosa - Butterfly Weed
Aster oolentangiensis (azureus) - Sky Blue Aster (deleted in 2006)
Callicarpa Americana - American Beautyberry
Chasmanthium latifolium - Northern Sea Oats
Delphinium exaltatum - Tall Larkspur (did not establish in 2006)
Echinacea pallida - Pale Purple Coneflower
Echinacea paradoxa - Yellow Coneflower
Eryngium yuccifolium - Rattlesnake Master
Hamamelis vernalis - Vernal Witchazel
Heilianthus salicifolius - Willow-leaved Sunflower
Liatris pycnostachya - Prairie Blazing Star (added in 2007)
Liatris scariosa - Eastern Blazing Star
Lobelia cardinalis - Cardinal flower (added in 2007)
Penstemon digitalis - Foxglove Beard Tongue
Rudbeckia subtomentosa - Sweet Coneflower
Solidago nemoralis - Gray Goldenrod