Noun

• S: (n) eelgrass, grass wrack, sea wrack, Zostera marina (submerged marine plant with very long narrow leaves found in abundance along North Atlantic coasts)
• member holonym
• direct hypernym / inherited hypernym / sister term
• S: (n) aquatic plant, water plant, hydrophyte, hydrophytic plant (a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth)
• S: (n) hornwort (any aquatic plant of the genus Ceratophyllum; forms submerged masses in ponds and slow-flowing streams)
• S: (n) water lily (an aquatic plant of the family Nymphaeaceae)
• S: (n) water crowfoot, water buttercup, Ranunculus aquatilis (plant of ponds and slow streams having submerged and floating leaves and white flowers; Europe and North America)
• S: (n) cryptocoryne, water trumpet (any plant of the genus Cryptocoryne; evergreen perennials growing in fresh or brackish water; tropical Asia)
• S: (n) golden club, Orontium aquaticum (aquatic plant of the southeastern United States having blue-green leaves and a spadix resembling a club covered with tiny yellow flowers)
• S: (n) arrow arum (an aquatic plant of the genus Peltandra; North America)
• S: (n) pistia, water lettuce, water cabbage, Pistia stratiotes, Pistia stratoites (pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes)
• S: (n) duckweed (any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds)
• S: (n) awlwort, Subularia aquatica (small aquatic plant having tufted awl-shaped leaves in a basal rosette and minute white flowers; circumboreal)
• S: (n) featherfoil, feather-foil (a plant of the genus Hottonia)
• S: (n) water pimpernel (a white-flowered aquatic plant of the genus Samolus)
• S: (n) water milfoil (an aquatic plant of the genus Myriophyllum having feathery underwater leaves and small inconspicuous flowers)
• S: (n) water chestnut, water chestnut plant, caltrop (a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits)
• S: (n) water shamrock, buckbean, bogbean, bog myrtle, marsh trefoil, Menyanthes trifoliata (perennial plant of Europe and America having racemes of white or purplish flowers and intensely bitter trifoliate leaves; often rooting at water margin and spreading across the surface)
• S: (n) pipewort, Eriocaulon aquaticum (aquatic perennial of North America and Ireland and Hebrides having translucent green leaves in a basal spiral and dense buttonlike racemes of minute white flowers)
• S: (n) pickerelweed, pickerel weed, wampee, Pontederia cordata (American plant having spikes of blue flowers and growing in shallow water of streams and ponds)
• S: (n) water hyacinth, water orchid, Eichhornia crassipes, Eichhornia spesiosa (a tropical floating aquatic plant having spikes of large blue flowers; troublesome in clogging waterways especially in southern United States)
• S: (n) water star grass, mud plantain, Heteranthera dubia (grassy-leaved North American aquatic plant with yellow star-shaped blossoms)
• S: (n) naiad, water nymph (submerged aquatic plant having narrow leaves and small flowers; of fresh or brackish water)
• S: (n) frogbit, frog's-bit, Hydrocharis morsus-ranae (European floating plant with roundish heart-shaped leaves and white flowers)
• S: (n) hydrilla, Hydrilla verticillata (submersed plant with whorled lanceolate leaves and solitary axillary flowers; Old World plant naturalized in southern United States and clogging Florida's waterways)
• S: (n) American frogbit, Limnodium spongia (American plant with roundish heart-shaped or kidney-shaped leaves; usually rooted in muddy bottoms of ponds and ditches)
• S: (n) waterweed (a weedy aquatic plant of genus Elodea)
• S: (n) tape grass, eelgrass, wild celery, Vallisneria spiralis (submerged aquatic plant with ribbonlike leaves; Old World and Australia)
• S: (n) pondweed (any of several submerged or floating freshwater perennial aquatic weeds belonging to the family Potamogetonaceae)
• S: (n) eelgrass, grass wrack, sea wrack, Zostera marina (submerged marine plant with very long narrow leaves found in abundance along North Atlantic coasts)
• S: (n) water starwort (any of several aquatic plants having a star-shaped rosette of floating leaves; America, Europe and Asia)
• S: (n) golden saxifrage, golden spleen (any of various low aquatic herbs of the genus Chrysosplenium)
• S: (n) water speedwell, Veronica michauxii, Veronica anagallis-aquatica (plant of wet places in Eurasia and America)
• S: (n) marsh plant, bog plant, swamp plant (a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath)