The present paper deals with undesirable, obnoxious and troublesome nature of invasive alien aquatic weeds, which have also been regarded as exotic, introduced or non - indigenous plants causing loss or decline of aquatic biodiversity in a specific limnetic habitat due to higher accelerated rate of infestation. Invasive species can change or disturb aquatic biodiversity posing threat to aquatic ecosystem, which is considered to be of global concern. The present work is based on local survey of invasive aquatic weeds found in and around Jamtara district of Jharkhand state. The holistic approach mentioned in this work includes compilation and documentation of 7 invasive alien aquatic weeds belonging to 6 families along with their floristic study.
