Parthenium is an exotic weed  which started spreading out in the mid 80's in Sri Lanka. Farmers and animals of war affected regions in the Northern part of Sri Lanka are affected by the weed.  Its toxicity causes irritation to skin initially and there are other long term respiratory diseases as well.  Academics, researchers, medical doctors, rural farmers and  social workers  are concerned about the widespread use of the weed. Therefore, it's important  to create awareness about Parthenium.