There are parasitic plants like Cassytha filiformis, or Psilotum nudum. Glochidion societatis is found in open areas while Cyperus (specifically Cyperus javanicus and Cyperus compressus, species close to papyrus), Portulaca oleracea and Ipomoea aquatica are found in the wetlands, much of which was destroyed during the Japanese Occupation during the Second World War. Further, exotic plants such as guava, lantana, Grona triflora and Chamaesyce hirta have colonized places that have experienced disturbances.
