Date of Award


Degree Type


Degree Name

Doctor of Philosophy


Ecology and Evolutionary Biology

Major Professor

Randall Small

Committee Members

Joe Williams, Ben Fitzpatrick, Sally Horn


The North American Pitcher Plants (Sarracenia) have long fascinated naturalists, not only for their carnivorous habit, but also their ability to form countless combinations of hybrids with apparent ease. While their ability to form hybrids has been widely recognized, the role hybridization plays in shaping genetic and morphological variation in natural populations has been virtually ignored. This study examined the extent and effects of hybridization in the genus using both non-coding chloroplast sequences and nuclear microsatellite markers.

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