Chandrasena, J.P.N.R.2010-07-062010-07-061987Journal of the National Science Council of Sri Lanka, 15(2):p.249-265https://dl.nsf.gov.lk/handle/1/6345WeedFimbristylis miliaceaIsachne globosaCyperus iriaLundwigia byssopifoliaAgricultureRice-field weeds in the Colombo and Gampaha districts of Sri LankaArticle