Dr. Baker obtained his formal training in Botany at San Jose State
University, where he was a lab technician; and Humboldt State and
Arizona State Universities, where he was a lab instructor. He
has worked as a professional botanist for over 35 years and has won
over 50 contracts and grants from the U. S. Forest Service, Bureau of
Land Management, Bureau of Reclamation, Army Corp. of Engineers,
Arizona Heritage Program, U. S. Fish and Wildlife Service, and
National Park Service. He has also worked as contractor and
subcontractor for numerous clients. Most of his professional
work has centered on the autoecology, taxonomy, and distribution of
rare plant species; vegetation analysis and mapping, and Biological
Assessments. Dr. Baker maintains an academic career that focuses
on the evolution and taxonomy of the Cactaceae and has published
several journal articles.
Evolution and systematics of Cactaceae; the role of polyploidy,
hybridization, asexual reproduction, and geographic isolation in
evolution. Flora, plant community dynamics, and ecology of the
Southwestern United States, especially within the Sonoran Desert
Biome; rare plant biology; currently working on the Cactaceae for the
Intermountain Flora.