Department of Wiled / Department of Wild Life / NGOs Forest Department / IUCN / Ministry of Environment and Natural Resources / Forest Department / Biodiversity Secretariat / National Science Foundation / University of Sri Jayawardanepura / Department of Wildlife Conservation / Department of Agriculture / National Action / University of Peradeniya / United Nations Educational Scientific and Cultural Organization / STATUS OF FOREST INVASIVE SPECIES IN SRILANKA N.D.R. Weerawardane Forest Department / Life Department / /