The floristic study was undertaken at Kansai basin and its adjoining area near Purulia town, West Bengal during the year 2020–21 in the monsoon season. A total of 170angiosperms were documented systematically on the basis of Angiosperm Phylogeny Group IV (APG IV) classification out of which 137 species are dicots, 1 species belong to sister group of eudicots and 32 species are monocots. Along with terrestrial plants, free-floating, marshy and submerged aquatic plants were also observed. Only 64 plant species are classified under IUCN conservation status (on global scale), out of which 62 species are in the least concern category, 1 near threatened and 1 data deficient, while most of the species are not evaluated till date.