Dr. Usha. S.S., MSc., BEd., Ph.D. is currently working as Associate Professor, in PG Department of Botany, Sree Narayana College, Chempazhanthy, Thiruvananthapuram, Kerala. Dr Usha has to her credit more than 30 years of teaching experience. Her major area of interest is taxonomy and has publications in peer-reviewed and UGC CARE list journals.