Agathis lake is one of the six lakes around Universitas Indonesia, Depok. It is the first order lake that receives water flow from the settlements. Its ecosystem, which includes a body and border of water, has been damaged as a result of the disposal of garbage and household waste around Beji, Depok. However, there are several species of plants that can survive around Situ Agathis. Therefore, we performed an inventory to determine the types of plant which survive in the polluted region. The study was conducted by using line transect method with three repetitions at each station that were the inlet, midlet, and outlet. The result showed there were 59 species from 51 genera and 30 families in the border area. Families with the highest number of species were Asteraceae, Fabaceae, and Malvaceae. The most commonly found habitus were herbs (47.46%), bushes (6.78%), liana (3.39%), shrubs (5.08%), and trees (37.29%). The widely encountered species were invasive species, weeds, pioneer plants, and bioremediator plants which tolerant to the polluted environment.