Research Associates

Rancho Santa Ana Botanic Garden offers botanists and other professionals in the field appointments as Research Associates. These individuals by virtue of their affiliation with RSABG are offered the use of the plant sciences facilities at the Garden. Staff and plant scientists at RSABG form mutually beneficial collaborations on conservation and research projects with our Research Associates. These are honorific 3-year appointments without remuneration. Appointments may be renewed upon review.


Robert L. Allen, M.S.

Senior Biologist, Bon Terra Consulting Co., Costa Mesa, CA


Carol Annabel, M.S.

Botanical consultant, Ojai, CA


Paul Beardsley, Ph.D.

Assistant Professor of Biological Sciences, CEMaST Science, California State Polytechnic University, Pomona, CA


David W. Becker, PhD

John P. & Magdalena R. Dexter Professor of Botany, Pomona College, Claremont, CA


Hester L. Bell, Ph.D.

Postdoctoral Researcher; Rancho Santa Ana Botanic Garden, Claremont, CA


Edward G. Bobich, Ph.D.

Associate Professor of Biological Sciences, California State Polytechnic University,

Pomona, CA


Steve Boyd, M.S.

Curator Emeritus of the Herbarium (RSA/POM), Rancho Santa Ana Botanic Garden, Claremont, CA


David E. Bramlet

Independent consulting biologist. Santa Ana, CA


Clyde Calvin, Ph.D.

Professor of Biology Emeritus, Portland State University, OR


John R. Clark, Ph.D.

Executive Director, Center for Plant Conservation, St. Louis, MO


Allen Cooper, Ph.D.

Loma Linda University School of Medicine

Department of Basic Sciences/Division of Biochemistry

Loma Linda, CA


Jenny Cruse-Sanders, Ph.D.

Director of Conservation & Research, Atlanta Botanical Garden, GA


Sarah De Groot, Ph.D.

Seeds of Success Coordinator, Conservation Program, RSABG, Claremont, CA


Pam De Vries, M.S.

Botanist, Restoration Ecologist, Pine Mountain Club, CA


Joshua Der, Ph.D.

Assistant Professor, Department of Biological Science, Cal State Fullerton, Fullerton, CA


Barbara Eisenstein

Independent consultant, native plant and sustainable gardening outreach,

South Pasadena, CA


Thomas S. Elias, Ph.D.

Director (retired), U.S. National Arboretum, Washington, D.C. Claremont, CA


Norman C. Ellstrand, Ph.D.

Professor of Genetics, Department of Botany & Plant Sciences, University of California, Riverside, CA


Kristen Fisher, Ph.D.

Assistant Professor of Biological Sciences, California State University, Los Angeles, CA


Lorrae Fuentes

Science educator; Instructor, Department of Biology, California State University,

San Bernardino, CA


C. Matt Guilliams, Ph.D.

Curator of the Clifton F. Smith Herbarium, Santa Barbara Botanic Garden

Santa Barbara, CA


Dylan P. Hannon

Curator of The Rose Hills Foundation Conservatory for Botanical Science and Tropical Collections, Huntington Botanical Gardens, San Marino, CA


James Henrickson, Ph.D.

Professor Emeritus, California State University Los Angeles

Research Fellow, Plant Resources Center, The University of Texas at Austin, TX


Michael Honer, M.S.

Botanical consultant, Bishop, CA


Amanda Ingram, Ph.D.

Associate Professor of Biology, Wabash College, Crawfordsville, IN


Leigh A. Johnson, Ph.D.

Associate Professor of Biology, and Herbarium Curator, Stanley L. Welsh Herbarium

at the M. L. Bean Museum, Brigham Young University, Provo, UT


Diana Jolles, Ph.D.

Adjunct faculty, Department of Environmental Studies, University of Redlands,

Redlands, CA


Jon E. Keeley, Ph.D.

Research Ecologist, U.S. Department of the Interior, U.S. Geological Survey, Western Ecological Research Center, Sequoia & Kings Canyon Field Station, Three Rivers, CA


Jason Koontz, Ph.D.

Associate Professor of Biology, Augustana College, Rock Island, IL


Tasha La Doux, Ph.D.

Assistant Director, University of California Natural Reserve System, Sweeney Granite Mountains Desert Research Center, near Kelso, CA


Amy Litt, Ph.D.

Assistant Professor & Assistant Biologist of Plant Evolution & Development

University of California, Riverside, CA


María Cristina Martínez-Habibe, Ph.D.

Research Professor, Department of Chemistry and Biology, Universidad del Norte, Atlántico, Colombia


Saeideh Mashayekhi, Ph.D.

Laboratory Instructor and Demonstrator

University of Sydney School of Biological Sciences, NSW Australia


John J. Macdonald, Jr.

Photographer, Seeds of California Native Plants

Phelan, CA


Christopher J. McDonald, Ph.D.

Desert Natural Resources Advisor, UC Cooperative Extension San Bernardino County, CA


Char Miller, Ph.D.

Director of Environmental Analysis Program, W.M. Keck Professor of Environmental Analysis, Pitzer College, Claremont, CA


Orlando Mistretta, M.S.

Botanical consultant, Upland, CA


Douglas S. Moore

Independent researcher: identification of Miocene petrified woods found in southern California, Garden Grove, CA


Bart O’Brien

Director, Regional Parks Botanic Garden, Tilden Regional Park, Berkeley, CA


Jorge Ochoa

Instructor, Horticulture Department, Long Beach City College, Long Beach, CA


Jennifer Pilapil

Operations Manager, Center for Oral Health, Western University, Pomona, CA

(and, avid botanical field assistant)


Jason S. Price, Ph.D.

Director of Licensing Operations, Statewide California Electronic Library Consortium [SCELC], Upland, CA


Linda M. Prince MacKechnie, Ph.D.

Seed biologist, Ball Horticultural Company, Chicago, IL


Nancy F. Refulio-Rodriguez, Ph.D.

Visiting Scientist, European Molecular Biology Laboratory, Schwetzingen, Germany


Richard E. Riefner

Independent consultant and research biologist / botanist, wetlands and habitat restoration specialist, Rancho Santa Marguerita, CA


Eric H. Roalson, Ph.D.

Professor of Biological Sciences; Director, The George E. Hudson Biological Reserve

at Smoot Hill, Washington State University, Pullman, WA


Fred M. Roberts, Jr.

Independent botanical survey consultant, Oceanside, CA


Andrew C. Sanders, M.S.

Curator / Senior Museum Scientist of the Herbarium (UCR), Department of Botany and Plant Sciences, University of California, Riverside, CA


Rudolf Schmid, Ph.D.

Professor Emeritus, Department of Integrative Biology, University of California,

Berkeley, CA


Michael G. Simpson, Ph.D.

Professor, Department of Biology, San Diego State University, CA


Victor Steinmann, Ph.D.

Investigador Asociado, Instituto de Ecología, Centro Regional del Bajío, Pátzcuaro, Michoacán, México


Erin Tripp, Ph.D.

Assistant Professor of Ecology & Evolutionary Biology; Curator of Botany, COLO Herbarium, University of Colorado at Boulder, CO


Sula Vanderplank, M.S.

Biodiversity explorer, Botanical Research Institute of Texas [BRIT], Fort Worth, TX


Michael Wall

Curator and Seed Conservation Program Manager (retired), RSABG, Hemet, CA


Gary D. Wallace, Ph.D.

Botanist (retired), US Dept. of the Interior, U.S. Fish and Wildlife Service, Carlsbad, CA


Dwight L. Whitaker, Ph.D.

Associate Professor of Physics, Department of Physics and Astronomy, Pomona College, CA


Scott D. White, M.S.

Senior Biologist, Aspen Consulting Group, Inland Empire Office, Ontario, CA


Kimberlyn Williams, Ph.D.

Professor, Department of Biology, California State University, San Bernardino, CA


Justin Wood, M.S.

Biologist, Aspen Consulting Group, Inland Empire Office, Ontario, CA

(21 August 2016)