44 PhD programmes in Botany in North America

Research in Plant Pathology at the University of California, Riverside focuses on five areas: plant disease management, microbial genomics and genetics, host-pathogen interactions, Nematology,  and microbial ecology and evolution.

The Plant Biology course at Rutgers University offers a comprehensive programme of study and research and provides the opportunity to specialize in most fields of plant biology. 

The Botany Graduate Program at University of Hawaii at Manoa offers MS and PhD degrees in Botany. Graduate education is in a wide range of botanical specialties, with emphasis placed on tropical botany and conservation. 

The Intercollege Graduate Degree Program in Plant Biology at Pennsylvania State University offers students the opportunity to conduct research on plants—ranging from the cellular level to the whole-plant level.