Water lilies Algae Mosses Duckweed Cattails Reeds Mangroves Pickleweed and many others.
Water lilies algae and duckweed float on the surface. Cattails and reeds grow along the shoreline of many freshwater ecosystems.
Mangroves and Pickleweed are just some examples of Estuarine plants.
Certain mosses are able to cling to rocks.