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Index of All Plants in the Database
- alder - Alnus spp.
- alder, speckled - Alnus incana
- alfalfa (medick)(burclover) - Medicago sativa
- algae - Algae spp.
- algae, filamentous - Algae spp.
- alligatorweed - Alternanthera philoxeroides
- amaranth - Amaranthus spp.
- arrow-arum - Peltandra spp.
- arrow-arum, green - Peltandra virginica
- arrowgrass - Triglochin spp.
- arrowhead - Sagittaria spp.
- ash - Fraxinus spp.
- ash, black - Fraxinus nigra
- ash, green - Fraxinus pennsylvanica
- ash, white - Fraxinus americana
- aspen - Populus spp.
- aspen (poplar) - Populus spp.
- aspen, bigtooth - Populus grandidentata
- aspen, quaking - Populus tremuloides
- aster - Aster spp.
- avens - Geum spp.
- baldcypress - Taxodium distichum
- baneberry, red - Actaea rubra
- barberry - Berberis spp.
- barberry, Cascade - Mahonia nervosa
- barley, common - Hordeum vulgare
- basswood, American - Tilia americana
- bay, red - persea borbonia/palustris
- bayberry - Morella spp.
- bayberry, northern - Morella pensylvanica
- beachgrass - Ammophila spp.
- beaksedge (beakrush) - Rhynchospora spp.
- beautyberry - Callicarpa americana
- beautyberry - Callicarpa spp.
- beautyberry, Mexican - Callicarpa mexicana
- bedstraw - Galium mollugo
- beech, American - Fagus grandifolia
- beetleweed - Galax urceolata
- beggar-ticks - Bidens spp.
- begonia - Begonia spp.
- bellflower - Campanula spp.
- bentgrass - Agrostis spp.
- bermudagrass - Cynodon dactylon
- bindweed, field - Convolvulus arvensis
- birch - Betula spp.
- birch, bog - Betula pumila
- birch, dwarf - Betula nana
- birch, gray - Betula populifolia
- birch, paper (white birch) - Betula papyrifera
- birch, resin - Betula glandulosa
- birch, river - Betula nigra
- birch, sweet - Betula lenta
- birch, yellow - Betula alleghaniensis
- bishops weed - Aegopodium podagraria
- bittersweet - Celastrus spp.
- bittersweet, Oriental - Celatrus orbiculatus
- black medick - Medicago lupulina
- black-eyed susan - Rudbeckia hirta
- blackberry - Rubus spp.
- blackberry, evergreen - Rubus laciniatus
- blackberry, Himalayan - Rubus armeniacus
- blackberry, thornless - Rubus canadensis
- blue curls - Trichostema spp.
- blueberry - Vaccinium spp.
- blueberry, Blue Ridge - Vaccinium pallidum
- blueberry, highbush - Vaccinium corymbosum
- blueberry, lowbush - Vaccinium angustifolium
- blueberry, velvetleaf - Vaccinium myrtilloides
- bluegrass - Poa spp.
- bluegrass, bulbous - Poa bulbosa
- bluegrass, Canada - Poa compressa
- bluegrass, Kentucky - Poa pratensis
- bluestem - Andropogon spp.
- bluet - Houstonia spp.
- bogbean - Menyanthes spp.
- Boston ivy - Parthenocissus tricuspidata
- bristlegrass - Setaria spp.
- brome - Bromus spp.
- brome, fringed - Bromus ciliatus
- brome, smooth - Bromus inermis
- broom sedge - Andropogon virginicus
- buckeye, Ohio - Aesculus glabra
- buckthorn - Rhamnus spp.
- buckthorn, Carolina - Frangula caroliniana
- buckthorn, common - Rhamnus cathartica
- buckwheat - Fagopyrum esculentum
- buckwheat, wild - Eriogonum spp.
- buffaloberry - Shepheria canadensis
- bulrush - Scirpus spp.
- bulrush, Olney's threesquare - Schoenoplectus americanus
- bulrush, saltmarsh - Bolboschoenus robustus
- bulrush, threesquare - Schoenoplectus pungens
- bunchberry - Cornus canadensis
- bur-reed - Sparganium spp.
- burdock - Arctium spp.
- burning bush - Euonymus alatus
- buttercup - Ranunculus spp.
- butternut - Juglans cinerea
- buttonbush - Cephalanthus spp.
- camphor, tree - Cinnamomum camphora
- cancerroot, American - Conopholis americana
- canteloupe - Cucumis melo
- carpetgrass - Axonopus spp.
- cat's ear, hairy - Hypochaeris radicata
- catalpa - Catalpa spp.
- catnip - Nepeta cataria
- catnip - Nepeta spp.
- cattail - Tyhpa spp.
- cattail, broadleaf - Typha latifolia
- cattail, narrowleaf - Typha angustifolia
- ceanothus - Ceanothus spp.
- cherry, black - Prunus serotina
- cherry, pin - Prunus pensylvanica
- cherry, wild - Prunus spp.
- chestnut spp. - Castanea spp.
- chestnut, American - Castanea dentata
- chickweed, common - Stellaria media
- chicory - Cichorium intybus
- Chinaberry tree - Melia azedarach
- chinquapin, Allegheny - Castanea pumila
- chokeberry - Aronia spp.
- chokecherry - Prunus virginiana
- cinquefoil - Potentilla spp.
- clover - Trifolium spp.
- clover, Korean - Lespedeza stipulacea
- clover, red - Trifolium pratense
- clover, white - Trifolium repens
- clubmoss - Lycopodium spp.
- coffeetree, Kentucky - Gymnocladus dioicus
- columbine - Aquilegia spp.
- coneflower - Echinacea spp.
- coon's tail - Ceratophyllum demersum
- coralbead, Carolina - Cocculus carolinus
- coralberry - Symphoricarpos orbiculatus
- cordgrass - Spartina spp.
- cordgrass, saltmarsh - Spartina patens
- cordgrass, smooth - Spartina alterniflora
- corn - Zea mays
- cosmos - Cosmos spp.
- cotoneaster - Cotoneaster spp.
- cottongrass - Eriophorum spp.
- cottongrass, Tussock - Eriophorum vaginatum
- cottonwood, eastern - Populus deltoides
- cowparsnip, common - Heracleum maximum
- cowpea (southern bean) - Vigna unguiculata
- crabapple/ apple - Malus spp.
- crabgrass - Digitaria spp.
- cranberry, small - Vaccinium oxycoccos
- cranesbill, Bicknell's - Geranium bicknelii
- creeper - Parthenocissus spp.
- crossvine - Bignonia spp.
- crowberry - Empetrum spp.
- crowberry, black - Empetrum nigrum
- crowfootgrass (Egyptian grass) - Dactyloctenium aegyptium
- crowngrass - Paspalum spp.
- currant - Ribes spp.
- currant, American black - Ribes americanum
- currant, prickly - Ribes lacustre
- dahlia - Dahlia spp.
- daisy - Chrysanthemum spp.
- dandelion, common - Taraxacum officinale
- dayflower - Commelina spp.
- daylily - Hemerocallis spp.
- deadnettle - Lamium spp.
- desert-thorn, Carolina - Lycium carolinianum
- desert-thorn, Carolina - Lycium spp.
- devil's tongue - Opuntia humifusa
- devil's walkingstick - Aralia spinosa
- devilwood - Osmanthus americanus
- dock - Rumex spp.
- dogwood - Cornus spp.
- dogwood, alternate-leaf - Cornus alternifolia
- dogwood, flowering - Cornus florida
- dogwood, gray - Cornus racemosa
- dogwood, red-osier - Cornus sericea
- dogwood, rough-leaf - Cornus drummondii
- doveweed - Croton spp.
- draba - Draba spp.
- dropseed grass - Sporobolus compositus
- dropseed grass - Sporobolus spp.
- duckweed - Lemma spp.
- eelgrass - Zostera spp.
- elder, red - Sambucus racemosa
- elderberry - Sambucus canadensis
- elderberry - Sambucus spp.
- elderberry, American black - Sambucus nigra
- elm - Ulmus spp.
- elm, american - Ulmus americana
- elm, slippery - Ulmus rubra
- elm, winged - Ulmus alata
- false croton - Caperonia spp.
- false lily-of-the-valley, starry - Maianthemum stellatum
- false nettle - Boehmeria spp.
- false solomon's seal (Solomon's plume) - Maianthemum racemosum
- fanwort - Cabomba spp.
- fennel, sweet - Foeniculum vulgare
- fern, grape - Botrychium spp.
- fern, holly - Cyrtomium falcatum
- fern, rattlesnake - Botrypus virginianus
- fescue - Schedonorus spp.
- fescue, red - Schedonorus rubra
- fig, common - Ficus carica
- fir - Abies spp.
- fir, balsam - Abies balsamea
- fir, Fraser - Abies fraseri
- firebush - Hamelia patens
- firethorn - Pyracantha spp.
- fireweed - Chamerion angustifolium
- flatsedge - Cyperus spp.
- flatsedge, poorland - Cyperus compressus
- flax, common - Linum usitatissimum
- foamflower - Tiarella spp.
- fogfruit - Phyla spp.
- forget-me-not - Myosotis spp.
- four-o'clock - Mirabilis jalapa
- foxtail - Alopecurus spp.
- fringetree, American - Chionanthus virginicus
- galax - Galax spp.
- gallberry, large - Ilex coriacea
- gazania - Gazania spp.
- geranium, spotted - Geranium maculatum
- geranium, wild (cranesbill) - Geranium spp.
- giant cutgrass - Zizaniopsis miliacea
- glasswort - Salicornia spp.
- goldenrod - Solidago spp.
- goldenrod, Canada - Solidago canadensis
- goldthread, threeleaf - Coptis trifolia
- goosegrass - Eleusine spp.
- grape - Vitis spp.
- grape , Oregon - Mahonia aquifolium
- grape muscadine - Vitis rotundifolia
- grape, fox - Vitis labrusca
- grape, frost - Vitus vulpina
- grape, summer - Vitis aestivalis
- greenbrier - Smilax spp.
- greenbrier, laurel - Smilax laurifolia
- greenbrier, roundleaf - Smilax rotundifolia
- greenbrier, saw - Smilax bona-nox
- ground cherry - Physalis spp.
- gum - Nyssa spp.
- gum, black (black tupelo) - Nyssa sylvatica
- gum, water - Nyssa aquatica
- hackberry - Celtis spp.
- hackberry, common - Celtis occidentalis
- hawkweed - Hieracium spp.
- hawkweed, meadow - Hieracium caespitosum
- hawkweed, orange - Hieracium aurantiacum
- hawthorn - Crataegus spp.
- hazelnut - Corylus spp.
- hazelnut, American - Corylus americana
- hazelnut, beaked - Corylus cornuta
- hemlock - Tsuga spp.
- hemlock, Carolina - Tsuga caroliniana
- hemlock, eastern - Tsuga canadensis
- hemp - Cannabis spp.
- hercule's club - Zanthoxylum clava-herculis
- hickory - Carya spp.
- hickory, bitternut - Carya cordiformis
- hickory, mockernut - Carya alba
- hickory, pignut - Carya glabra
- hickory, shagbark - Carya ovata
- hobblebush - Viburnum lantanoides
- hogpeanut, American - Amphicarpaea bracteata
- holly - Ilex spp.
- holly, American - Ilex opaca
- holly, Carolina - Ilex ambigua
- holly, cornuta "Burfordii' - Ilex cornuta'Burfordii'
- holly, dahoon - Ilex cassine
- holly,'Savannah - Ilex cassine x opaca
- hollyhock - Alcea spp.
- honeylocust - Gleditsia triacanthos
- honeysuckle, Amur - Lonicera maackii
- honeysuckle, Bell's - Lonicera bella
- honeysuckle, bush - Lonicera spp.
- honeysuckle, Japanese - Lonicera japonica
- honeysuckle, Morrow's - Lonicera morrowii
- honeysuckle, tatarian - Lonicera tatarica
- honeysuckle, trumpet - Lonicera sempervirens
- hophornbeam, eastern - Ostrya virginiana
- hornbeam, American - Carpinus caroliniana
- horned-pondweed - Zannichellia palustris
- horsetail - Equistem spp.
- horsetail, field - Equistem arvense
- hosta - Hosta spp.
- huckleberry - Gaylussacia spp.
- huckleberry, black - Gaylussacia baccata
- huckleberry, blue - Gaylussacia frondosa
- huckleberry, dwarf - Gaylussacia dumosa
- huckleberry, hairy - Gaylussacia mosieri
- huckleberry, tree/winter - Vaccinium arboreum
- hyssop - Hyssopus officinalis
- inkberry - Ilex glabra
- ironweed - Vernonia spp.
- Jack in the Pulpit - Arisaema triphyllum
- jasmine - Jasminum spp.
- jasmine, night-blooming - Cestrum nocturnum
- jewelweed - Impatiens capensis
- joe pye - Eutrochium spp.
- juniper - Juniperus spp.
- juniper, "Old Gold" - Juniperus x pfitzeriana
- juniper, common - Juniperus communis
- kelp - Laminariales spp.
- knapweed (starthistle) (cornflower) - Centaurea spp.
- knotgrass - Paspalum distichum
- knotweed (smartweed) - Polygonum spp.
- knotweed, giant - Polygonum sachalinense
- knotweed, Japanese - Polygonum cuspidatum
- knotweed, prostrate - Polygonum aviculare
- Labrador tea, bog - Ledum groenlandicum
- lamb's quarters - Chenopodium album
- lantana - Lantana urticoides/camara
- larch - Larix spp.
- laurel, great - Rhododendron maximum
- laurelcherry, Carolina - Prunus caroliniana
- leatherleaf - Chamaedaphne calyculata
- lespedeza - Lespedeza spp.
- lespedeza, sericea - Lespedeza cuneata
- lespedeza, shrub - Lespedeza bicolor
- leucothoe - Leucothoe spp.
- licorice, American - Glycyrrhiza lepidota
- ligustrum, wax-leaf - Ligustrum japonicum/lucidum
- lilac - Syringa spp.
- lingonberry - Vaccinium vitis-idaea
- lizard's tail - Saururus cernuus
- locust, black - Robinia pseudoacacia
- loquat - Eriobotrya japonica
- lupine - Lupinus spp.
- lupine, sundial - Lupinus perennis
- magnolia - Magnolia spp.
- magnolia, big-leaf - Magnolia macrophylla
- magnolia, southern - Magnolia grandiflora
- maidencane - Panicum hemitomom
- mannagrass - Glyceria spp.
- manzanita - Arctostaphylos spp.
- maple - Acer spp.
- maple, black - Acer nigrum
- maple, box elder - Acer negundo
- maple, mountain - Acer spicatum
- maple, Norway - Acer platanoides
- maple, red - Acer rubrum
- maple, silver - Acer saccharinum
- maple, striped - Acer pensylvanicum
- maple, sugar - Acer saccharum
- marigold - Tagetes spp.
- mayapple - Podophyllum petatum
- mayflower (beadruby) - Maianthemum spp.
- mayflower, Canada - Maianthemum canadense
- meadowsweet - Spiraea spp.
- melon - Citrullus spp.
- melon - Cucumis spp.
- menziesia - Menziesia spp.
- mermaidweed - Proserpinaca spp.
- milkweed - Asclepias spp.
- milkwort - Polygala spp.
- millet, wild - Echinochloa spp.
- mistletoe - Phoradendron leucarpum
- miterwort - Mitella spp.
- morning glory - Ipomoea spp.
- motherwort - Leonurus cardiaca
- mountain ash - Sorbus spp.
- mountain ash, American - Sorbus americana
- mountainlaurel - Kalmia latifolia
- mulberry - Morus spp.
- mulberry, black - Morus nigra
- mulberry, red - Morus rubra
- mulberry, white - Morus alba
- mullein - Verbascum spp.
- mullein, common - Verbascum thapsus
- murdannia - Murdannia spp.
- muskgrass - Chara spp.
- mustard - Brassica spp.
- needlegrass - Stipa spp.
- New Jersey Tea - Ceanothus americanus
- nightshade - Solanum spp.
- nightshade, climbing - Solanum dulcamara
- nimblewill - Muhlenbergia schreberi
- nutrush - Scleria spp.
- oak - Quercus spp.
- oak, bear - Quercus ilicifolia
- oak, black - Quercus velutina
- oak, blackjack - Quercus marilandica
- oak, bluejack - Quercus incana
- oak, chestnut - Quercus prinus
- oak, chinkapin - Quercus muehlenbergii
- oak, northern red - Quercus rubra
- oak, overcup - Quercus lyrata
- oak, pin - Quercus palustris
- oak, scarlet - Quercus coccinea
- oak, Shumard's - Quercus shumardii
- oak, southern live - Quercus virginiana
- oak, southern red - Quercus falcata
- oak, swamp chestnut - Quercus michauxii
- oak, swamp white - Quercus bicolor
- oak, turkey - Quercus laevis
- oak, water - Quercus nigra
- oak, white - Quercus alba
- oak, willow - Quercus phellos
- oak,post - Quercus stellata
- oats - Avena spp.
- olive - Elaeagnus spp.
- olive, autumn - Elaeagnus umbellata
- olive, Russian - Elaeagnus angustifolia
- orchardgrass - Dactylis glomerata
- Oriental lady's thumb - Polygonum cespitosum
- osage-orange - Maclura pomifera
- palmetto - Sabal spp.
- palmetto, cabbage - Sabal palmetto
- palmetto, dwarf - Sabal minor
- palmetto, saw - Serenoa repens
- panicgrass - Panicum spp.
- partridge berry - Mitchella repens
- partridge pea - Chamaecrista fasciculata
- partridgeberry - Mitchella repens
- pawpaw - Asimina triloba
- pea - Lathyrus spp.
- peanut - Arachis hypogaea
- pear - Pyrus spp.
- pear, common - Pyrus communis
- pecan - Carya illinoinensis
- pepper, cayenne - Capsicum annuum var. glabri
- peppervine - Nekemias arborea
- peppervine, heart-leaf - Ampelopsis cordata
- persimmon, common - Diospyros virginiana
- petunia - Petunia spp.
- phlox - Phlox spp.
- photinia, Japanese - Photinia glabra
- pickerelweed - Pontederia spp.
- pigeonberry - Rivina humilis
- pigeonwings, Atlantic - Clitoria mariana
- pine - Pinus spp.
- pine, jack - Pinus banksiana
- pine, loblolly - Pinus taeda
- pine, longleaf - Pinus palustris
- pine, pitch - Pinus rigida
- pine, red - Pinus resinosa
- pine, table mountain - Pinus pungens
- pine, Virginia - Pinus virginiana
- pine, white eastern - Pinus strobus
- pine,pitch - Pinus rigida
- pink queen (spiderflower) - Cleome hassleriana
- pinwheel - Lechea spp.
- plantain - Plantago spp.
- plum pine, yew - Podocarpus macrophyllus
- plum, American - Prunus americana
- poison ivy, eastern - Toxicodendron radicans
- pokeweed - Phytolacca americana
- pond lily - Nuphar spp.
- pond lily, yellow (cow-lily) - Nuphar lutea
- pondweed - Potamogeton spp.
- pondweed, sago - Stuckenia pectinata
- poplar, balsam - Populus balsamifera
- poplar, tulip - Liriodendron tupilfera
- possumhaw - Ilex decidua
- pricklypear - Opuntia spp.
- primrose, evening - Oenothera spp.
- privet - Ligustrum spp.
- privet, Chinese - Ligustrum sinense
- privet, golden - Ligustrun 'vicaryi'
- purslane - Portulaca grandiflora
- purslane - Portulaca spp.
- pussytoes - Antennaria spp.
- quackgrass - Elymus repens
- Queen Anne's Lace - Daucus carota
- ragweed - Ambrosia spp.
- ragweed, common - Ambrosia artemisiifolia
- ragweed, Cuman - Ambrosia psilostachya
- raspberry, red - Rubus idaeus
- redbud, eastern - Cercis canadensis
- redcedar, eastern - Juniperus virginiana
- redroot, Carolina - Lachnanthes caroliniana
- redtop - Agrostis gigantea
- ribgrass (English plantain) - Plantago lanceolata
- rice - Oryza sativa
- rice cutgrass - Leersia oryzoides
- ricegrass - Oryzopsis asperifolia
- rose - Rosa spp.
- rose, multiflora - Rosa multiflora
- rosemary - Rosmarinus officinalis
- rye - Secale cereale
- safflower - Carthamus tinctorius
- saltgrass - Distichlis spicata
- sarsparilla, wild - Aralia nudicaulis
- sassafras - Sassafras albidum
- sawgrass, Jamaican - Cladium mariscus
- scarlet sage - Salvia cocchinea
- sea-lettuce - Ulva spp.
- sedge - Carex spp.
- sedge, water - Carex aquaticus
- serviceberry - Amelanchier spp.
- serviceberry, common - Amelanchier arborea
- sheep sorrel, common - Rumex acetosella
- shepherd's purse - Capsella bursa-pastoris
- shoalgrass - Halodule wrightii
- signalgrass - Brachiaria spp.
- skunk cabbage - Symplocarpus foetidus
- smoketree, European - Cotinus coggygria
- snakeroot, white - Ageratina altissima
- snap dragon - Antirrhinum majus
- snowberry - Symphoricarpos spp.
- snowberry, common - Symphoricarpos albus
- sorghum - Sorghum vulgare
- sorrelvine - Cissus trifoliata
- sourwood - Oxydendrum arboreum
- sow thistle - Sonchus spp.
- sow thistle, field - Sonchus arvensis
- soybean - Glycine max
- spadeleaf - Centella spp.
- spicebush - Lindera benzoin
- spiderwort - Tradescantia virginiana
- spikenard - Aralia spp.
- spikerush - Eleocharis spp.
- spikerush, squarestem - Eleocharis quadrangulata
- spring beauty, Virginia - Claytonia virginica
- spruce - Picea spp.
- spruce, black - Picea mariana
- spruce, Norway - Picea abies
- spruce, red - Picea rubens
- spruce, white - Picea glauca
- spurge - Euphorbia spp.
- spurge, leafy - Euphorbia esula
- squashberry - Viburnum edule
- squirreltail - Elymus elymoides
- St. Johns wort, common - Hypericum perforatum
- star grass - Hypoxis spp.
- stork's bill - Erodium spp.
- strawberry - Fragaria spp.
- strawberry, mock - Duchesnea indica
- strawberry, Virginia - Fragaria virginiana
- strawberry, woodland - Fragaria vesca
- sugarberry - Celtis laevigata
- sumac - Rhus spp.
- sumac, fragrant - Rhus aromatica
- sumac, smooth - Rhus glabra
- sumac, staghorn - Rhus typhina
- sumac, winged - Rhus copallinum
- sunflower - Helianthus spp.
- sunflower, common - Helianthus annuus
- sunflower, Maximilian - Helianthus maximiliani
- supplejack - Berchemia scandens
- sweet alyssum - Alyssum maritimum
- sweet bay - Magnolia virginiana
- sweet fern - Comptonia peregrina
- sweetclover, yellow - Melilotus officinalis
- sweetflag - Acorus calamus
- sweetgum - Liquidamber styraciflua
- sweetroot - Ozmorhiza spp.
- switchgrass - Panicum virgatum
- sycamore, American - Platanus occidentalis
- tamarack - Larix laricina
- teaberry, eastern (wintergreen) - Gaultheria procumbens
- teasel - Dipsacus spp.
- teasel, Fuller's - Dipsacus fullonum
- thistle - Carduus spp.
- thistle - Cirsium spp.
- thistle, bull - Cirsium vulgare
- thistle, Canada - Cirsium arvense
- thistle, Russian - Salsola kali
- three-awn - Aristida spp.
- threeseed mercury - Acalypha spp.
- tick-trefoil - Desmodium spp.
- tickseed - Coreopsis spp.
- timothy - Phleum pratense
- tomato - Solanum lycopersicum
- toothwort - Cardamine spp.
- trailing-arbutus - Epigaea repens
- tree tobacco - Nicotiana glauca
- trumpet creeper - Campsis radicans
- Turk's cap - Malvaviscus arboreus drummo
- turkey bluejoint - Andropogon gerardi
- twinflower - Linnaea borealis
- vernalgrass, sweet - Anthroxanthum odoratum
- vervain - Verbena spp.
- vetch - Vicia spp.
- vetch, American - Vicia americana
- viburnum - Viburnum spp.
- viburnum, little-leaf - Viburnum obovatum
- viburnum, mapleleaf - Viburnum acerifolium
- viburnum, rusty blackhaw - Viburnum rufidulum
- viburnum,arrowwood - Viburnum dentatum/scabrellu
- violet - Viola spp.
- Virginia creeper - Parthenocissus quinquwfolia
- Virginia wildrye - Elymus virginicus
- walnut - Juglans spp.
- walnut, black - Juglans nigra
- water hyssop - Bacopa spp.
- water-elm - Planeria aquatica
- waterhemp - Amaranthus tuberculatus
- waterlily - Nymphaea spp.
- waterlily, banana - Nymphaea mexicana
- watermelon - Citrullus lanatus
- watermilfoil - Myriophyllum spp.
- waternymph (naiad) - Najas spp.
- waterprimrose (primrose-willow) - Ludwigia spp.
- watershield - Brasenia schreberi
- waterstarwort - Callitriche spp.
- waterweed - Elodea spp.
- waxmyrtle - Morella cerifera
- weigela - Weigela spp.
- wheat - Triticum spp.
- wheatgrass - Elymus spp.
- white-cedar, northern (arborvitae) - Thuja occidentalis
- widgeongrass - Ruppia maritima
- wild bergamot - Monarda spp.
- wild celery - Apium graveolens
- wild lettuce - Lactuca spp.
- wild rice - Zizania spp.
- willow - Salix spp.
- willow, black - Salix nigra
- willow, pussy - Salix discolor
- windmillgrass - Chloris spp.
- wineberry - Rubus phoenincolasius
- winterberry, common - Ilex verticillata
- wintercress - Barbarea spp.
- wintergreen - Pyrola americana
- wintergreen - Pyrola spp.
- wiregrass - Aristida stricta
- wisteria, Chinese - Wisteria sinensis
- witch hazel, American - Hamamelis virginiana
- wood sorrel - Oxalis spp.
- woodfern - Dryopteris spp.
- yarrow, common - Achillea millefolium
- yaupon - Ilex vomitoria
- yew - Taxus spp.
- yew, Canada - Taxus candensis
- zinnia - Zinnia spp.