Illinois Natural History Survey - University of Illinois

The Tallgrass Prairie in Illinois

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

 

  • Oligoneuron albumSolidago ptarmicoides or Aster ptarmicoides (stiff aster, prairie goldenrod. white goldenrod) [Asteraceae or Compositae, Sunflower Family]

     

  • Oligoneuron ohiense or Solidago ohiense (Ohio goldenrod) [Asteraceae or Compositae, Sunflower Family]

     

  • Oligoneuron riddellii or Solidago riddellii (Riddell's goldenrod) [Asteraceae or Compositae, Sunflower Family]

     

  • Oligoneuron rigidum or Solidago rigida (rigid goldenrod) [Asteraceae or Compositae, Sunflower Family]

     

  • Opuntia fragilis (fragile or brittle prickly pear cactus) [Cactaceae, Cactus Family]
    Listed as ENDANGERED in Illinois

     

  • Opuntia humifusa (common prickly pear cactus) [Cactaceae, Cactus Family]

     

  • Opuntia macrorhiza (plains prickly pear cactus) [Cactaceae, Cactus Family

     

  • Oxalis violacea (purple or violet wood sorrel)
    [Oxalidaceae, Sorrel 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 

     

     

  • Back to the start of Images of Prairie Plants
  • Back to The Tallgrass Prairie in Illinois
  • Ken Robertson's homepage
  •  

  • Created November 1997; updated 25 October 2004



  • Illinois Natural History Survey

    1816 South Oak Street, MC 652
    Champaign, IL 61820
    217-333-6880
    cms@inhs.illinois.edu

    Terms of use. Email the Web Administrator with questions or comments.

    © 2017 University of Illinois Board of Trustees. All rights reserved.
    For permissions information, contact the Illinois Natural History Survey.

    Staff Intranet
    Login