Eichhornia crassipes , Family-Pontederiaceae , Common name-Water hyacinth, japan jabara, ජපන් ජබර , Origin-Invasive , Habit-Aquatic , Ecology-Stagnant water ,Comment-originated from Amazon Basin, South America spreading since the 1800s. Forms dense colonies that block sunlight and crowd out native species., Referance-R14-263

163.02. MONOCHORIA Presl M.hastata (L.) Solms-Laub. [Monochoria hastaefolia Presl] S:di ya-habarala, jabara M.vaginalis (Burm. f.) Presl [Monochoria vaginalis var. plantaginea (Roxb.) Solms-Laub.] S:diya-habarala, jabara Reference – A CHECK LIST OF THE FLOWERING PLANTS; Lilani Kumudini Senaratna, B.Sc. (Colombo) M.Phil. (OUSL), Department of Botany, The Open University of Sri Lanka, Nawala, Nugegoda.  Published by National Science Foundation 47/5, Maitland, Place Colombo 7 SRI LANKA