scholarly journals Seed biology of Physaria ludoviciana (silvery bladderpod; Brassicaceae), an endangered species in sand prairies of the Midwest1

2012 ◽  
Vol 139 (1) ◽  
pp. 63-75 ◽  
Author(s):  
Marissa C. Grant ◽  
Ann E. Claerbout ◽  
Janice M. Coons ◽  
Henry R. Owen
Keyword(s):  
Endangered Species ◽  
Seed Biology

Endangered Species

1994 ◽  
Vol 39 (1) ◽  
pp. 71-72
Author(s):  
Donald M. Kaplan
Keyword(s):  
Endangered Species

Predicting Concern for Endangered Species

1991 ◽  
Author(s):  
Michael L. DeKay ◽  
Gary H. McClelland
Keyword(s):  
Endangered Species
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