DIVERGENCE AND ADAPTATION IN ADJACENT PLANT POPULATIONS: STUDIES ON THE ECOLOGY AND PHYSIOLOGY OF THE BIG BLUESTEM (ANDROPOGON GERARDII VITMAN) - SAND BLUESTEM (ANDROPOGON HALLII HACK.) COMPLEX IN NEBRASKA (SANDHILLS, PRAIRIE, GENECOLOGY)
BARNES, PAUL WARREN.
The University of Nebraska - Lincoln ProQuest Dissertations & Theses, 1984. 8423759.