In addition to publishing numerous articles in technical journals, Dr. Simpson has authored of the widely used textbook Plant Systematics (Elsevier-Academic Press, 2006; 2nd ed. 2010.)

UNIT I SYSTEMATICS 1. Plant Systematics: An Overview 2. Phylogenetic Systematics

UNIT II EVOLUTION AND DIVERSITY OF PLANTS 3. Evolution and Diversity of Green and Land Plants 4. Evolution and Diversity of Vascular Plants 5. Evolution and Diversity of Woody and Seed Plants 6. Evolution of Flowering Plants 7. Diversity and Classification of Flowering Plants: Amborellales, Nymphaeales, Austrobaileyales, Magnoliids, Ceratophyllales, and Monocots 8. Diversity and Classification of Flowering Plants: Eudicots

UNIT III SYSTEMATIC EVIDENCE AND DESCRIPTIVE TERMINOLOGY 9. Plant Morphology Chapter 10. Plant Anatomy and Physiology 11. Plant Embryology 12. Palynology 13. Plant Reproductive Biology 14. Plant Molecular Systematics

UNIT IV RESOURCES IN PLANT SYSTEMATICS 15. Plant Identification 16. Plant Nomenclature 17. Plant Collecting and Documentation 18. Herbaria and Data Information Systems

UNIT V SPECIES CONCEPTS AND CONSERVATION BIOLOGY 19. Species and Conservation in Systematics

Appendix 1. Plant Description 2. Botanical Illustrations 3. Scientific Journals in Plant Systematics 4. Statistics and Morphometrics in Plant Systematics