Books to help with wildflower identification

• Wildflowers of Montana by Donald Anthony Schiemann  
  
• Plants of Waterton Glacier by Richard J. Shaw and Danny On  
  
• Central Rocky Mountain Wildflowers and Northern Rocky Mountain Wildflowers  by  H. Wayne Phillips
• Prairie Wildflowers, Alpine Wildflowers, and Forest Wildflowers. by Dr. Dee Strickler 
• Plants of Yellowstone and Grand Teton National Parks by Richard J. Shaw
  
• Wildflowers of Yellowstone and Grand Teton. by Richard Shaw
• Alpine Wildflowers of the Rocky Mountains by Joseph F. Duft and Robert K. Moseley
  
• Plants of the Lewis and Clark Expedition by H. Wayne Phillips
  
• Plants of the Rocky Mountains by Kershaw, MacKinnon, and Pojar
  
• Wildflowers of Glacier National Park and Surrounding Areas by Shannon Fitzpatrick Kimball and Peter Lesica