T. Pullaiah, PhD, is a former Professor at the Department of Botany at Sri Krishnadevaraya University in Andhra Pradesh, India, where he has held many important positions. A prolific author and editor, he has authored 52 books, edited 23 books and published over 330 research papers. He was a member of the Species Survival Commission of the International Union for Conservation of Nature (IUCN).

K. Venkata Ratnam, PhD, is Assistant Professor in the Department of Botany at Rayalaseema University, Kurnool, India. He has many years of teaching and research experience in ethnobotany and biodivesity conservation studies and has published numerous research papers in national and international journals.

Mallappa Kumara Swamy, PhD, is Professor and Head of the Department of Biotechnology at East West First Grade College, Bengaluru, India. With over 17 years of teaching and research experience, he has authored and edited journal papers, book chapters and books.

Lepakshi Md. Bhakshu, PhD, is Assistant Professor in the Department of Botany at PVKN. Govt. College (A), Chittoor, India. During his over 20 years of research in ethnobotany, ethnopharmacology, phytochemical studies and biodiversity conservation, his work has been published in national and international journals.