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Invasive species are mostly nonnative species introduced accidentally or intentionally by humans in natural or established habitat where they threat the environment, economy and/or health. Several thousands of the alien species have become established in different parts of the world over the past couple of centuries. This biological pollution is considered as second potential threat to natural biodiversity after habitat loss. Fortunately the magnitude of invasive species in Pakistan is not as great as in some other countries but unfortunately, there is deficit in context of invasion biology literature. Current effort intends to present a systematic review of sporadic studies undertaken in past to record invasive alien plant species on a small scale with prime goals of: establishing a preliminary inventory of reported invasive plants; analyze the family and life form contribution in total invasive flora; describe status, impacts, management approaches and world's perspective about worst terrestrial invasive plants in Pakistan.