Abstract
In the present study, an attempt has been made to record the changes in floristic composition in Parasnath hill during the past 150 years. In all 568 taxa belonging to 360 genera and 101 families are reported from the area, out of those 188 taxa (33.09%) recorded on or before 1955 have diminished or untraceable and 136 taxa (23.94%) are reported as new additions during present survey. The possible reasons for the changes are also discussed.
Keywords
Floristic composition, Genetic level, Weeds, Invasion, Environmental changes, Anthropogenic, Host plants