Introduced plants:
| Plants | Aeschynomene fluitans | joint vetch, floating pea, Giant sensitive fern |
| Plants | Agrostis gigantea | Redtop, black bent, water bentgrass |
| Plants | Alnus glutinosa | Black alder |
| Plants | Alopecurus geniculatus | water foxtail, marsh meadow-foxtail |
| Plants | Alternanthera philoxeroides | alligatorweed |
| Plants | Azolla caroliniana | Carolina mosquito fern |
| Plants | Azolla filiculoides | Pacific azolla |
| Plants | Azolla pinnata | feathered mosquitofern |
| Plants | Bacopa egensis | Brazilian water-hyssop |
| Plants | Blyxa aubertii | roundfruit blyxa |
| Plants | Butomus umbellatus | flowering rush |
| Plants | Cabomba caroliniana | Carolina fanwort |
| Plants | Callitriche stagnalis | pond water-starwort |
| Plants | Carex acutiformis | Swamp sedge |
| Plants | Carex disticha | Sedge |
| Plants | Carex flacca | Sedge |
| Plants | Ceratopteris thalictroides | water sprite |
| Plants | Chenopodium glaucum | Oak-leaved goosefoot |
| Plants | Cirsium palustre | Marsh Thistle |
| Plants | Colocasia esculenta | wild taro |
| Plants | Conium maculatum | Poison hemlock |
| Plants | Cotula coronopifolia | brassbuttons |
| Plants | Cryptocoryne beckettii | water-trumpet |
| Plants | Cryptocoryne undulata | water-trumpet |
| Plants | Cryptocoryne wendtii | water-trumpet |
| Plants | Cyperus alopecuroides | foxtail flatsedge |
| Plants | Cyperus prolifer | dwarf papyrus |
| Plants | Dopatrium junceum | dopatrium |
| Plants | Echinochloa crusgalli | Barnyard grass |
| Plants | Egeria densa | Brazilian waterweed |
| Plants | Eichhornia azurea | anchored water-hyacinth, rooted water-hyacinth |
| Plants | Eichhornia crassipes | water-hyacinth |
| Plants | Epilobium hirsutum | Great hairy willow herb |
| Plants | Epilobium parviflorum | Small flowered hairy willow herb |
| Plants | Frangula alnus | Glossy buckthorn |
| Plants | Glossostigma cleistanthum | mudmat |
| Plants | Glyceria maxima | reed manna grass |
| Plants | Hydrilla verticillata | hydrilla |
| Plants | Hydrocharis morsus-ranae | common frogbit |
| Plants | Hydrocleys nymphoides | water-poppy |
| Plants | Hygrophila polysperma | Indian hygrophila |
| Plants | Hymenachne amplexicaulis | West Indian marsh grass |
| Plants | Impatiens glandulifera | Indian balsam |
| Plants | Ipomoea aquatica | water-spinach, swamp morning-glory |
| Plants | Iris pseudacorus | yellow iris |
| Plants | Juncus compressus | Flattened rush |
| Plants | Juncus gerardii | Black-grass rush |
| Plants | Juncus inflexus | Rush, European meadow rush |
| Plants | Landoltia (Spirodela) punctata | dotted duckweed |
| Plants | Limnobium laevigatum | West Indian spongeplant |
| Plants | Limnophila indica | Indian marshweed |
| Plants | Limnophila sessiliflora | Asian marshweed |
| Plants | Limnophila x ludoviciana | marshweed |
| Plants | Lotus corniculatus | Birdsfoot trefoil |
| Plants | Ludwigia grandiflora | Uruguay waterprimrose, water primrose |
| Plants | Ludwigia octovalvis | Mexican primrose-willow, Mexican primrosewillow |
| Plants | Ludwigia peploides | creeping waterprimrose, floating primrose |
| Plants | Lupinus polyphyllus | Lupine |
| Plants | Luziola peruviana | Peruvian watergrass |
| Plants | Lycopus asper | Western water horehound |
| Plants | Lycopus europaeus | European water horehound |
| Plants | Lysimachia nummularia | Moneywort |
| Plants | Lysimachia vulgaris | yellow loosestrife |
| Plants | Lythrum salicaria | purple loosestrife |
| Plants | Marsilea hirsuta | bristly water-clover |
| Plants | Marsilea macropoda | big-foot water-clover |
| Plants | Marsilea minuta | small water-clover |
| Plants | Marsilea mutica | Australian water-clover |
| Plants | Marsilea quadrifolia | European water-clover |
| Plants | Marsilea vestita | hairy water-clover |
| Plants | Mentha aquatica | watermint |
| Plants | Mentha gracilis | Creeping whorled mint, gingermint |
| Plants | Mentha spicata | Spearmint |
| Plants | Monochoria vaginalis | heartshape false pickerelweed |
| Plants | Murdannia keisak | marsh dewflower, aneilima, Asian spiderwort |
| Plants | Myosotis scorpioides | True forget-me-not |
| Plants | Myosoton aquaticum | giant chickweed |
| Plants | Myriophyllum aquaticum | parrot feather, Brazilian watermilfoil |
| Plants | Myriophyllum heterophyllum | variable leaf water-milfoil, twoleaf water-milfoil |
| Plants | Myriophyllum spicatum | Eurasian water-milfoil |
| Plants | Najas graminea | ricefield naiad |
| Plants | Najas marina | Spiny naiad |
| Plants | Najas minor | brittle naiad |
| Plants | Nasturtium officinale | water-cress |
| Plants | Nelumbo nucifera | sacred lotus |
| Plants | Nomaphila stricta | stiff beargrass |
| Plants | Nymphaea ampla | dot-leaf water-lily |
| Plants | Nymphaea capensis | cape-blue water-lily |
| Plants | Nymphaea lotus | white Egyptian lotus |
| Plants | Nymphaea mexicana | banana water-lily |
| Plants | Nymphaea odorata | white water-lily |
| Plants | Nymphaea X daubenyana | hybrid water-lily |
| Plants | Nymphaea X marliacea | chromatella marliac |
| Plants | Nymphoides cristata | crested floatingheart |
| Plants | Nymphoides indica | water snowflake |
| Plants | Nymphoides peltata | yellow floating-heart |
| Plants | Oryza sativa | rice |
| Plants | Ottelia alismoides | duck-lettuce |
| Plants | Panicum repens | torpedo grass |
| Plants | Pistia stratiotes | water-lettuce |
| Plants | Pluchea odorata | sweetscent |
| Plants | Pluchea odorata | marsh fleabane, sweet scent |
| Plants | Poa trivalis | rough-stalked meadow grass |
| Plants | Polygonum caespitosum | oriental lady's thumb, bristly lady's thumb |
| Plants | Polygonum persicaria | Lady's thumb, smartweed, spotted knotweed |
| Plants | Pontederia cordata | pickerelweed |
| Plants | Potamogeton crispus | curly pondweed |
| Plants | Puccinellia distans | Weeping alkali grass |
| Plants | Rorippa amphibia | amphibious yellow-cress |
| Plants | Rorippa sylvestris | Creeping yellow cress |
| Plants | Rotala indica | Indian toothcup |
| Plants | Rotala rotundifolia | roundleaf toothcups |
| Plants | Rumex longifolius | Yard dock |
| Plants | Rumex obtusifolius | Bitter dock |
| Plants | Sagittaria brevirostra | shortbeak arrowhead, midwestern arrowhead |
| Plants | Sagittaria graminea | grassy arrowhead |
| Plants | Sagittaria guyanensis guyanensis | Guyanese arrowhead |
| Plants | Sagittaria montevidensis | giant arrowhead |
| Plants | Sagittaria rigida | sessilefruit arrowhead |
| Plants | Salix alba | White willow |
| Plants | Salix fragilis | Crack willow |
| Plants | Salix purpurea | Purple willow |
| Plants | Salvinia minima | water spangles |
| Plants | Salvinia molesta | giant salvinia |
| Plants | Solanum dulcamara | Bittersweet nightshade |
| Plants | Solanum tampicense | wetland nightshade |
| Plants | Solidago sempervirens | Seaside goldenrod |
| Plants | Sonchus arvensis | Field sow thistle |
| Plants | Sonchus arvensis uliginosus | smooth field sow thistle |
| Plants | Sparganium glomeratum | Bur reed |
| Plants | Spartina alterniflora | Atlantic cordgrass, smooth cordgrass |
| Plants | Spartina anglica | common cordgrass |
| Plants | Spartina densiflora | dense-flowered cordgrass |
| Plants | Spartina patens | saltmeadow cordgrass |
| Plants | Trapa natans | water-chestnut |
| Plants | Typha angustifolia | Narrow-leaved cattail |
| Plants | Urochloa (Brachiaria) mutica | para grass |
| Plants | Utricularia inflata | swollen bladderwort |
| Plants | Vallisneria americana | wild-celery |
| Plants | Veronica beccabunga | European brooklime |
| Plants | Zizania aquatica | annual wildrice |
| Plants | Zostera japonica | dwarf eelgrass |