Robert J Gustafson Illustrator

Robert J. Gustafson retired as plant collections manager at the Los Angeles County Museum of Natural History, USA. Derral R. Herbst has worked as a botanist for the U.S. Fish and Wildlife Service, the U.S. Army Corps of Engineers, the National Tropical Botanical Garden, and the University of Hawai'i, USA. Philip W. Rundel is Distinguished Professor of Ecology and Evolutionary Biology at the University of California Los Angeles (UCLA), USA and director of the Mildred E. Mathias Botanical Garden at UCLA, USA.