- Types:
- show 85 types...
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hornwort
any aquatic plant of the genus Ceratophyllum; forms submerged masses in ponds and slow-flowing streams
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water lily
an aquatic plant of the family Nymphaeaceae
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Ranunculus aquatilis, water buttercup, water crowfoot
plant of ponds and slow streams having submerged and floating leaves and white flowers; Europe and North America
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cryptocoryne, water trumpet
any plant of the genus Cryptocoryne; evergreen perennials growing in fresh or brackish water; tropical Asia
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Orontium aquaticum, golden club
aquatic plant of the southeastern United States having blue-green leaves and a spadix resembling a club covered with tiny yellow flowers
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arrow arum
an aquatic plant of the genus Peltandra; North America
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Pistia stratiotes, Pistia stratoites, pistia, water cabbage, water lettuce
pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes
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duckweed
any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds
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Subularia aquatica, awlwort
small aquatic plant having tufted awl-shaped leaves in a basal rosette and minute white flowers; circumboreal
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feather-foil, featherfoil
a plant of the genus Hottonia
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water pimpernel
a white-flowered aquatic plant of the genus Samolus
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water milfoil
an aquatic plant of the genus Myriophyllum having feathery underwater leaves and small inconspicuous flowers
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caltrop, water chestnut, water chestnut plant
a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits
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Menyanthes trifoliata, bog myrtle, bogbean, buckbean, marsh trefoil, water shamrock
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
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Eriocaulon aquaticum, pipewort
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
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Pontederia cordata, pickerel weed, pickerelweed, wampee
American plant having spikes of blue flowers and growing in shallow water of streams and ponds
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Eichhornia crassipes, Eichhornia spesiosa, water hyacinth, water orchid
a tropical floating aquatic plant having spikes of large blue flowers; troublesome in clogging waterways especially in southern United States
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Heteranthera dubia, mud plantain, water star grass
grassy-leaved North American aquatic plant with yellow star-shaped blossoms
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naiad, water nymph
submerged aquatic plant having narrow leaves and small flowers; of fresh or brackish water
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Hydrocharis morsus-ranae, frog's-bit, frogbit
European floating plant with roundish heart-shaped leaves and white flowers
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Hydrilla verticillata, hydrilla
submersed plant with whorled lanceolate leaves and solitary axillary flowers; Old World plant naturalized in southern United States and clogging Florida's waterways
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American frogbit, Limnodium spongia
American plant with roundish heart-shaped or kidney-shaped leaves; usually rooted in muddy bottoms of ponds and ditches
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waterweed
a weedy aquatic plant of genus Elodea
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Vallisneria spiralis, eelgrass, tape grass, wild celery
submerged aquatic plant with ribbonlike leaves; Old World and Australia
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pondweed
any of several submerged or floating freshwater perennial aquatic weeds belonging to the family Potamogetonaceae
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Zostera marina, eelgrass, grass wrack, sea wrack
submerged marine plant with very long narrow leaves found in abundance along North Atlantic coasts
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water starwort
any of several aquatic plants having a star-shaped rosette of floating leaves; America, Europe and Asia
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golden saxifrage, golden spleen
any of various low aquatic herbs of the genus Chrysosplenium
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Veronica anagallis-aquatica, Veronica michauxii, water speedwell
plant of wet places in Eurasia and America
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bog plant, marsh plant, swamp plant
a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath
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Nymphaea odorata, fragrant water lily, pond lily, water nymph
a water lily having large leaves and showy fragrant flowers that float on the water; of temperate and tropical regions
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European white lily, Nymphaea alba
a water lily with white flowers
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Egyptian water lily, Nymphaea lotus, lotus, white lily, white lotus
white Egyptian lotus: water lily of Egypt to southeastern Africa; held sacred by the Egyptians
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Nymphaea caerulea, blue lotus
blue Egyptian lotus: held sacred by the Egyptians
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Nymphaea stellata, blue lotus
blue lotus of India and southeastern Asia
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Nuphar advena, cow lily, spatterdock, yellow pond lily
common water lily of eastern and central North America, having broad leaves and globe-shaped yellow flowers; in sluggish fresh or slightly brackish water
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Nuphar sagittifolium, southern spatterdock
of flowing waters of the southeastern United States; may form obstructive mats in streams
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Nuphar lutea, yellow water lily
a water lily with yellow flowers
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Indian lotus, Nelumbo nucifera, lotus, sacred lotus
native to eastern Asia; widely cultivated for its large pink or white flowers
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American lotus, Nelumbo lutea, water chinquapin, yanquapin
water lily of eastern North America having pale yellow blossoms and edible globular nutlike seeds
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Cabomba caroliniana, fanwort, water-shield
common aquatic plant of eastern North America having floating and submerged leaves and white yellow-spotted flowers
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Brasenia schreberi, water-shield, water-target
aquatic plant with floating oval leaves and purple flowers; in lakes and slow-moving streams; suitable for aquariums
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Ranunculus flammula, lesser spearwort
semiaquatic Eurasian perennial crowfoot with leaves shaped like spears; naturalized in New Zealand
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Ranunculus lingua, greater spearwort
semiaquatic European crowfoot with leaves shaped like spears
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Caltha palustris, May blob, cowslip, kingcup, marsh marigold, meadow bright, water dragon
swamp plant of Europe and North America having bright yellow flowers resembling buttercups
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rush
grasslike plants growing in wet places and having cylindrical often hollow stems
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Acorus calamus, calamus, flagroot, myrtle flag, sweet calamus, sweet flag
perennial marsh plant having swordlike leaves and aromatic roots
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Calla palustris, water arum, wild calla
plant of wetlands and bogs of temperate regions having small greenish flowers partly enclosed in a white spathe and red berries
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Lysichiton americanum, skunk cabbage
clump-forming deciduous perennial swamp plant of western North America similar to Symplocarpus foetidus but having a yellow spathe
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Peltandra virginica, green arrow arum, tuckahoe
perennial herb of the eastern United States having arrowhead-shaped leaves and an elongate pointed spathe and green berries
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Symplocarpus foetidus, foetid pothos, polecat weed, skunk cabbage
deciduous perennial low-growing fetid swamp plant of eastern North America having minute flowers enclosed in a mottled greenish or purple cowl-shaped spathe
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Lemna minor, common duckweed, lesser duckweed
of temperate regions except eastern Asia and Australia
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Lemna trisulca, star-duckweed
cosmopolitan in temperate regions except North America
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Spirodela polyrrhiza, great duckweed, water flaxseed
cosmopolitan except South America and New Zealand and some oceanic islands
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watermeal
any of various aquatic plants of the genus Wolffia; throughout warmer regions of the world
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Wolffiella gladiata, bogmat, mud midget
having narrow flat sickle-shaped submerged fronds; North America
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iva, marsh elder
any of various coarse shrubby plants of the genus Iva with small greenish flowers; common in moist areas (as coastal salt marshes) of eastern and central North America
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American featherfoil, Hottonia inflata, water gillyflower
a featherfoil of the eastern United States with submerged spongy inflated flower stalks and white flowers
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Hottonia palustris, water violet
featherfoil of Europe and western Asia having submerged and floating leaves and violet flowers
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Samolus valerandii, brookweed
water pimpernel of Europe to China
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Samolus floribundus, Samolus parviflorus, brookweed
American water pimpernel
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sedge
grasslike or rushlike plant growing in wet places having solid stems, narrow grasslike leaves and spikelets of inconspicuous flowers
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cattail
tall erect herbs with sword-shaped leaves; cosmopolitan in fresh and salt marshes
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sabbatia
any of various plants of the genus Sabbatia having usually pink cymose flowers; occur from acid bogs to brackish marshes
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Jesuits' nut, Trapa natans, water caltrop
a variety of water chestnut
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Trapa bicornis, ling, ling ko
water chestnut whose spiny fruit has two rather than 4 prongs
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yellow-eyed grass
any of several rushlike plants, especially of the pine barrens of southern United States
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Alisma plantago-aquatica, water plantain
marsh plant having clusters of small white or pinkish flowers and broad pointed or rounded leaves
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Canadian pondweed, Elodea canadensis
North American waterweed; widely naturalized in Europe
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Egeria densa, Elodea densa, dense-leaved elodea
aquatic plant with deep green foliage useful to oxygenate an aquarium; sometimes placed in genus Egeria
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Potamogeton crispus, curled leaf pondweed, curly pondweed
European herb naturalized in the eastern United States and California
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Potamogeton gramineous, variously-leaved pondweed
of Europe (except the Mediterranean area) and the northern United States
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Potamogeton americanus, Potamogeton nodosus, loddon pondweed
pondweed with floating leaves; of northern United States and Europe
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frog's lettuce
very similar to Potamogeton; of western Africa, Asia, and Europe
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Triglochin maritima, arrow grass
tufted perennial found in shallow water or marshland; sometimes poisons livestock
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Zannichellia palustris, horned pondweed
found in still or slow-moving fresh or brackish water; useful to oxygenate cool water ponds and aquaria
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Chrysosplenium americanum, water carpet, water mat
aquatic herb with yellowish flowers; central and western United States
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grass-of-Parnassus, parnassia
any of various usually evergreen bog plants of the genus Parnassia having broad smooth basal leaves and a single pale flower resembling a buttercup
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Chelone glabra, shell-flower, shellflower, snake-head, snakehead, turtlehead
showy perennial of marshlands of eastern and central North America having waxy lanceolate leaves and flower with lower part creamy white and upper parts pale pink to deep purple
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American brooklime, Veronica americana, brooklime
plant of western North America and northeastern Asia having prostrate stems with dense racemes of pale violet to lilac flowers
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European brooklime, Veronica beccabunga, brooklime
European plant having low-lying stems with blue flowers; sparsely naturalized in North America
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Sium suave, water parsnip
stout white-flowered perennial found wild in shallow fresh water; northern United States and Asia
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Sium latifolium, greater water parsnip
large stout white-flowered perennial found wild in shallow fresh water; Europe
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Sium sisarum, skirret
an Asiatic herb cultivated in Europe for its sweet edible tuberous root
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Saururus cernuus, lizard's-tail, swamp lily, water dragon
North American herbaceous perennial of wet places having slender curled racemes of small white flowers
