floating aquatic plant pistia stratiotes with pearly waterdrops.

algae algaes aqua aquarium aquatic aquatics araceae arum beneath black cabbage dark dew dews drop drops family floating floats fresh freshwater fussy green hairy hanging hydrophyte hydrophytic lake lakes leaves lettuce moist moisture nile pearls pearly pistia plant plants pond roots shellflower soft stratiotes submersed subtropical surface tropical water waterdrops waterways