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Lesquerella ludoviciana (Nutt.) S. Wats.
April McDonnell, Janice Coons, and Henry R. Owen
U. S. A., Illinois, Mason
21-Jun-2006
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Cypripedium calceolus var. pubescens (Willd.) Correll
Dan Busemeyer
United States, Illinois, Mason
2004-05-21
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Viola pratincola Greene
Dan Busemeyer, John E. Ebinger, William McClain, and Loy R. Phillipe
USA, Illinois, Mason
2004-05-10
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Vitis riparia var. syrticola (Fernald & Wiegand) Fernald
Dan Busemeyer, John E. Ebinger, William McClain, and Loy R. Phillippe
USA, Illinois, Mason
2004-05-10
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Viola rafinesquii Greene
Dan Busemeyer, Mary Ann Feist, Paul B. Marcum, and Loy R. Phillipe
USA, Illinois, Mason
2004-04-13
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Acer negundo L.
Dan Busemeyer, Mary Ann Feist, Paul B. Marcum, and Loy R. Phillippe
USA, Illinois, Mason
2004-04-13
-
Androsace occidentalis Pursh
Dan Busemeyer, Mary Ann Feist, Paul Marcum, and Loy R. Phillippe
USA, Illinois, Mason
2004-04-13
-
Claytonia virginica L.
Daniel T. Busemeyer, John E. Ebinger, William McClain, and Loy R. Phillippe
USA, Illinois, Mason
2004-05-10
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Opuntia humifusa (Raf.) Raf.
Loy R. Phillippe and D. T. Busemeyer
U. S. A., Illinois, Mason
1-Jun-2004
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Fraxinus nigra Pott
Loy R. Phillippe, John E. Ebinger, and William McClain
USA, Illinois, Mason
2004-08-18
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