Illinois Natural History Survey - University of Illinois

The Tallgrass Prairie in Illinois

Images of Prairie Plants — Genera Beginning with the Letter "R"


  • Ranunculus rhomboideus (prairie, plains, or Labrador buttercup) [Ranunculaceae, Buttercup Family] — listed as ENDANGERED in Illinois, where it is found the northernmost counties


  • Ratibida pinnata (drooping, yellow, or gray-headed coneflower or pinnate prairie coneflower) [Asteraceae, Sunflower Family]


  • Rosa carolina (pasture or Carolina rose) [Rosaceae, Rose Family]


  • Rosa multiflora (multiflora rose) [Rosaceae, Rose Family] — NOT native to Illinois and an invasive weed 


  • Rosa setigera (prairie rose) [Rosaceae, Rose family]


  • Rudbeckia hirta (black-eyed Susan) [Asteraceae, Sunflower Family]


  • Rudbeckia subtomentosa (fragrant or sweet coneflower or sweet black-eyed Susan) [Asteraceae, Sunflower Family]


  • Rudbeckia triloba (brown-eyed Susan) [Asteraceae, Sunflower Family]


  • Ruellia humilis (wild petunia) [Acanthaceae, Acanthus Family]


    Alphabetical by Genus: 
    A  B  C  D  E  F G  H  I  J  K  L M  N  O P  Q  R S  T  U V  W  X Y  Z 


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  • Created November 1997; updated 25 October 2004

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