hydrophytic plant vs waterweed

Other hyponyms of hydrophytic plant include hornwort, water lily, Ranunculus aquatilis, water buttercup, water crowfoot, cryptocoryne, water trumpet, golden club, Orontium aquaticum, arrow arum, pistia, Pistia stratiotes, Pistia stratoites, water cabbage, water lettuce, duckweed, awlwort, Subularia aquatica, feather-foil, featherfoil, water pimpernel, water milfoil, caltrop, water chestnut, water chestnut plant, bog myrtle, bogbean, buckbean, marsh trefoil, Menyanthes trifoliata, water shamrock, Eriocaulon aquaticum, pipewort, pickerel weed, pickerelweed, Pontederia cordata, wampee, Eichhornia crassipes, Eichhornia spesiosa, water hyacinth, water orchid, Heteranthera dubia, mud plantain, water star grass, naiad, water nymph, frog's-bit, frogbit, Hydrocharis morsus-ranae, hydrilla, Hydrilla verticillata, American frogbit, Limnodium spongia, eelgrass, tape grass, Vallisneria spiralis, wild celery, pondweed, eelgrass, grass wrack, sea wrack, Zostera marina, water starwort, golden saxifrage, golden spleen, Veronica anagallis-aquatica, Veronica michauxii, water speedwell, bog plant, marsh plant, swamp plant.