Week 8: Various biosystematics categories such as ecophene, ecotype, ecospecies, coenospecies and comparium. Taxonomic Evidence: Importance and types of taxonomic evidences

Chapter 6: VARIATION, BIOSYSTEMATICS, POPULATION GENETICS
AND EVOLUTION page 128-148

Chapter 7: TAXONOMIC EVIDENCE page 149-209

In book

Plant Systematics, An Integrated approach by Gurcharan Singh (Third Edition), Science publishers India, 2010