junia, Melvi2021-06-172021-06-172020-05wahyu sari yenihttps://repository.unri.ac.id/handle/123456789/9984Thisstudyaimedtoknow thestructureandcompositionofinvasivelower plantsinthe BuluhCinaNaturePark.Researchonthestructureofinvasive lowerplantcommunitieswasconductedinSeptembertoOctober2019.The methodusedwas linetransectmethodthroughtpurposivesamplingwith3 transectlinesalong100m.Eachtransectwasmadeasmanyas10plots(5x5 m)alternatelywithadistanceof5m.Theresultsfound40speciesfrom 14 familieswithatotalof1.576individuals.Therewerefivespeciesthatdominate andmostptentiallybecameinvasiveinlayingareaoftransectone,ninespecies inlayingareaoftransecttwoandsevenspeciesinlayingareatransectthree. Invasiveplantthathadthehighestdiversityindexinthelayingareaoftransect one,wasUrochloaglumaris(17,55%),Ageratum conyzoides(22,89%)inthe transectlayingareatwoandDigitarialongiflora(63,63%)inthetransectlaying areathreehighestdiversityindex(H’)wasobtained inthelaying areaof transectone(3,075)enCompositionstructureInvasive PlantsBuluh Cina Nature ParkVegetationanalysisArticle