Dr. Edward Johnson 
Botanical Image Gallery 
Dedicated to Dr. Edward Johnson (1917-1997)
  
References
Over the years, Dr. Johnson used a variety of floras.  In preparing this gallery
his original copies which include his handwritten notes about each species and photograph were used as a source of information.
In most cases, nomenclature was verified using the Flora of the Great Plains, 1985.

Barkley, T. M., Flora of the Great Plains Association. Flora of the Great Plains. University Press of Kansas, KS. 1986.

Bruggen, Theodore V. Wildflowers of the Northern Plains and Black Hills. Badlands Natural    History Association, SD. 1976.

Courtenay, Booth, James H. Zimmerman. A guide in full color: Wildflowers and Weeds. Van Nostrand Reinhold Company, NY. 1972.

Larson, Gary E., James R. Johnson. Plants of the Black Hills and Bear Lodge Mountain.  South Dakota State University, SD. 1999.

Niering, William A., Nancy C. Olmstead. The Audubon Society Field Guide to North American Wildflowers: Eastern Region . Alfred A Knopf Inc., NY. 1979.
 
 

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