Research Affiliates and Collaborators

We actively promote collaboration with other researchers– in academia, NGOs, and beyond.

RESEARCH AFFILIATE status recognizes collaborative working relationships with the scientific programs and staff of the Natural History Institute. Appointments are offered by the NHI Executive Director in an effort to foster interaction and synergistic collaboration between NHI staff and outside scientists. Typically, appointments are for particular projects and/or discrete time periods.

Lisa Floyd-Hanna, Ph.D. is a botanist and fire ecologist. She is Emeritus Professor of Environmental Studies, Prescott College, Prescott, AZ and former Science Director for the NHI. Lisa has taught botany, fire ecology, and field biology courses for 40 years in the southwestern US and coastal regions of Mexico.

David Hanna, M.S. is an independent field biologist and GIS practitioner. His cartographic work has been integral to many scientific publications, often regarding public lands of the western United States.

Andy Holycross, Ph.D. is a professor of biology at Mesa Community College and adjunct faculty at Arizona State University. He is co-author of A Field Guide to Amphibians and Reptiles in Arizona and co-editor of Snakes of Arizona, which is the standard reference on the topic.

Philip McNally, Ph.D. is an adjunct faculty member at Arizona State University’s School of Life Sciences and a Board member of the Central Arizona Chapter of the North American Butterfly Association. McNally has published peer-reviewed research studies on lepidopteran and other insect management strategies, and is the author of the recently-released natural history guide book, The Butterflies of the Central Arizona Highlands.

We also collaborate on individual projects with scientists from across North America – for example, our field studies project featured a dozen collaborators, from 11 different institutions.





Lon Abbott, Ph.D.
Senior Instructor and Research Associate, Department of Geological Sciences, University of Colorado, Boulder, Colorado

Lisa Floyd-Hanna, Ph.D.
Emeritus Professor, Environmental Studies Program, Prescott College, Prescott, AZ.
Harry W. Greene, Ph.D.
Emeritus Professor, Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York
Dave Huffman, Ph.D.
Director of Research and Development, Ecological Restoration Institute, Northern Arizona University, Flagstaff, Arizona
M. Andrew Johnston, Ph.D.
Collection Manager, NEON Biorepository Invertebrates, Biodiversity Knowledge Integration Center, Arizona State University, Tempe, Arizona
Elizabeth Makings, M.S.
Curator, Herbarium, Arizona State University, Tempe, Arizona