Yakandawala, D.Yakandawala, K.2012-04-042012-04-042011Ceylon Journal of Science (Biological Sciences)40(1)pp.13-23https://dl.nsf.gov.lk/handle/1/7734Biological SciencesBiodiversityConservationEndemic speciesInvasive Alien speciesHybridizationThreatened speciesNil manelWater-liliesNymphaea pubescensNymphaea nouchaliHybridization between native and invasive alien plants. an overlooked threat to the biodiversity of Sri LankaArticle