Field Guide to the Trees of the Gila Region of New Mexico is the definitive guide for field botanists, researchers, students, and avid nature lovers who wish to explore the natural history of native and introduced tree species across the Gila.
Richard Stephen Felger (1934-2020) was a researcher with the Herbarium, School of Plant Sciences, University of Arizona. He published widely on arid-land botany, ethnobotany, and conservation, and he was a coauthor of Plant Life of a Desert Archipelago: Flora of the Sonoran Islands in the Gulf of California.