CONTENTS: INVASIVE ALIENS AND THEIR BIOLOGY: Introduction, Stages Of Plant Invasion, Concept of Invasion: Early Beginning, Impediments for Invasive Aliens, Ecological vis-à-vis Socio-Economic Impacts, Impacts On Floral And Faunal Assemblages Impacts on Microbial Assemblages, Impacts on Hydrology, Provisioning Service And Invasive Aliens, Climate Regulation And Invasive Aliens, Soil Fertility and Invasive Aliens, Fire and Invasive Aliens Air Quality and Invasive Aliens, Water Quality and Invasive Aliens, Pollination and Invasive Aliens, Cultural Services and Invasive Aliens, Food Security and Invasive Aliens, Evolutionary Changes and Invasive Aliens, Pathways of Introduction of IAS, Phenotypic Plasticity and Invasive Aliens, Allelopathy, Climate Change and Invasive Aliens, Characteristic Features of Invasive Aliens, STATE OF MAHARASHTRA: Landscape, Geology and Topography, Climate, Protected Areas, Soils, Forests, Maharashtra: Regions And Districts, Rainfalls, Temperature, Humidity, Winds, Biodiversity Studies In Maharashtra, Methodology Adapted, Purpose of Work, Statistical Analysis of Invasive Alien Plants In Maharashtra, TAXONOMIC TREATMENT: SYSTEMATIC ENUMERATION: Ranunculaceae Juss. Annonaceae Juss, Menispermaceae, Papaveraceae Juss, Fumariaceae DC, Brassicaceae Burn, Capparidaceae Juss, Bixaceae Endl, Flacourtiaceae DC, Caryophyllaceae Juss, Portulacaceae Juss, Tamaricaceae S.F. Gray, Elatinaceae Dumortier, Malvaceae Juss, Bombacaceae Kunth, Sterculiaceae Bartl, Tiliaceae Juss, Linaceae DC. ex Perieb, Malpighiaceae Juss, Zygophyllaceae R.Br, Averrhoaceae Hutch, Oxalidaceae R.Br, Tropaeolaceae A. DC, Balsaminaceae Rich, Rutaceae Juss, Balanitaceae Endl, Meliaceae Juss, Combretaceae R.Br, Myrtaceae Juss, Barringtoniaceae Rudolphi, Lythraceae J.St.Hill, Punicaceae Horan, Onagraceae Juss, Trapaceae Dumortier, Turneraceae DC, Pasifloraceae Juss, Cucurbitaceae Juss, Begoniaceae C.Agardh, Cactaceae Juss, Aizoaceae Rudolphi, Molluginaceae Hutch, Apiaceae Lindl, Araliaceae Juss, Caprifoliaceae Juss, Rubiaceae Juss, Asteraceae Dumort, Plumbaginaceae Juss, Primulaceae Vent, Ebenaeae Gurke, Apocynaceae Juss, Asclepiadaceae R.Br, Buddlejaceae Wilhem, Gentianaceae Juss, Boraginaceae Juss, Convolvulaceae Juss, Cuscutaceae Dumort, Solanaceae Juss, Scrophulariaceae Juss, Bignoniaceae Juss, Pedaliaceae R.Br, Martyniaceae Stapf, Acanthaceae Juss, Verbenaceae J.St. Hill, Lamiaceae Lindl, Rhamnaceae Juss, Vitaceae Juss, Sapindaceae Juss, Anacardiaceae Lindl, Moringaceae Dumort, Papilionaceae Giseke, Caesalpiniaceae R.Br, Mimosaceae R.Br, Rosaceae Juss, Crassulaceae DC, Plantaginaceae Juss, Nyctaginaceae Juss, Amaranthaceae Juss, Chenopodiaceae Vent, Basellaceae Moq.-Tand, Phytolaccaceae R.Br, Polygonaceae Juss, Aristolochiaceae Juss, Lauraceae Juss, Proteaceae Juss, Piperaceae J.Agardh, Loranthaceae Juss, Euphorbiaceae Juss, Ulmaceae Mirbel, Urticaceae Juss, Cannabaceae Endl, Moraceae Link, Casuarinaceae R.Br, Ceratophyllaceae S.F.Gray, Hydrocharitaceae Juss, Zingiberaceae Lindl, Cannaceae Juss, Bromeliaceae Juss, Iridaceae Juss, Amaryllidaceae, Agavaceae Endl, Liliaceae Juss, Pontederiaceae K. Kunth, Xyridaceae C. Agardh, Commelinaceae R.Br, Arecaceae Sch.-Sch, Typhaceae Juss, Araceae Juss, Lemnaceae S.F.Gray, Aponogetonaceae J.G.Agardh, Potamogetonaceae Dumort, Najadaceae Juss, Cyperaceae Juss, Poaceae J.H. Barnhart, References.