May 7, 2007 Russell R. Kirt Prairie 
May 11, 2007| May 5, 2007 May 7, 2007 Russell R. Kirt Prairie May 11, 2007 |
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 Horsetail colony Equisetum arvense   |
 Horsetail Equisetum arvense  |
 Prairie Crayfish chimney Procambarus gracilis 
New
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 Root  |
3 photos this page; 1 new species. |  photographer:  |