There are relatively few obligate submersed aquatic plants (species that cannot tolerate emersion for even relatively short periods), but some examples include members of Hydrocharitaceae and Cabombaceae, Ceratophyllum, and Aldrovanda, and most macroalgae (e.g.
There are a limited number of obligate submerged aquatic plants (species that cannot tolerate emersion for even brief periods), but some examples include members of Hydrocharitaceae and Cabombaceae, Ceratophyllum, and Aldrovanda, and most macroalgae (e.g.).