-
Ratibida pinnata -
Rhus aromatica 'Gro-Low' -
Rhus aromatica 'Lacette' -
Rosa carolina -
Rosa palustris -
Rosa virginiana -
Rudbeckia 'Denver Daisy' -
Rudbeckia 'Little Goldstar' -
Rudbeckia 'Little Suzy' -
Rudbeckia American Gold Rush -
Rudbeckia fulgida 'Goldblitz' -
Rudbeckia laciniata -
Rudbeckia laciniata 'Autumn Sun' -
Rudbeckia maxima -
Rudbeckia missouriensis -
Rudbeckia triloba -
Ruellia humilis -
Sambucus canadensis -
Sassafras albidum -
Schizachyrium 'Blaze' -
Schizachyrium 'Little Red Fox' -
Schizachyrium 'Standing Ovation' -
Schizachyrium littorale -
Schizachyrium scoparium
