Author(s): Anand Kumar Mishra, Maheshwar Prasad Sharma, Harbhajan Singh

Abstract: The present work has been carried out to collect information about different plant species in Flora of Delhi. During the present investigation, 377 genera and 551 species belonging to 90 angiospermic families have been recorded. The ratio of species belonging to monocots to Dicots is 1:4.34, of genera 1.3.83 and of families 1.5.42. The Fabaceae and Poaceae are the largest families in Dicots and Monocots respectively. Update nomenclature has been provoded. Basionyms and synonyms have been avoided for economy of space. The study also reveals that the ecological balance is being harmed due to rapid rise in human population, industrialization and stress on natural resources for its maximum utilization.