| Latin Name | Common Name | Edibility Rating | Medicinal Rating |
| Abies alba | Silver Fir, Christmas Tree Fir, European Silver Fir, Silver | 2 | 3 |
| Abies spectabilis | Himalayan Fir | 0 | 2 |
| Abutilon theophrasti | China Jute, Velvetleaf, Butterprint Buttonweed Jute, China Mallow, Indian Velvet Leaf | 3 | 2 |
| Acacia colei | Cole's wattle, Candelabra Wattle, Soap wattle, | 3 | 2 |
| Acacia cowleana | Hall’s Creek wattle | 3 | 2 |
| Acacia decurrens | Green Wattle | 2 | 1 |
| Acacia farnesiana | Sweet Acacia, Perfume Acacia, Huisache | 2 | 2 |
| Acanthus mollis | Bear's Breeches | 0 | 2 |
| Acer caesium | | 0 | 1 |
| Acer campestre | Field Maple, Hedge maple | 2 | 1 |
| Acer circinatum | Vine Maple | 2 | 1 |
| Acer mono | Maple | 2 | 1 |
| Acer pseudoplatanus | Sycamore, Great Maple, Scottish Maple, Planetree Maple | 2 | 1 |
| Acer rubrum | Red Maple, Drummond's maple, Swamp Maple | 3 | 1 |
| Acer saccharinum | Silver Maple, River Maple, Soft Maple | 3 | 1 |
| Acer saccharum nigrum | Black Maple | 4 | 1 |
| Acer spicatum | Mountain Maple | 2 | 2 |
| Achillea millefolium | Yarrow, Boreal yarrow, California yarrow, Giant yarrow, Coast yarrow, Western yarrow, Pacific yarrow | 3 | 4 |
| Achyranthes aspera | Devil's Horsewhip | 2 | 3 |
| Aconitum heterophyllum | | 1 | 2 |
| Adiantum pedatum | Northern Maidenhair,American Maidenhair Fern | 0 | 2 |
| Adiantum venustum | Evergreen Maidenhair Fern | 0 | 1 |
| Aesculus hippocastanum | Horse Chestnut, European Horsechestnut, Common Horsechestnut | 3 | 4 |
| Aesculus indica | Indian Horse Chestnut | 3 | 1 |
| Afzelia xylocarpa | Makha Tree, Cambodia Beng Tree | 2 | 2 |
| Agrimonia eupatoria | Agrimony, Churchsteeples | 2 | 3 |
| Agrimonia parviflora | Harvestlice | 0 | 2 |
| Agrimonia pilosa | Hairy Agrimony | 2 | 3 |
| Ailanthus altissima | Tree Of Heaven | 1 | 3 |
| Ajuga bracteosa | Bugle, Lungememen | 0 | 1 |
| Ajuga reptans | Bugle, Common Bugelweed, Bugleweed, Carpet Bugleweed, Carpetweed, Carpet Bugle | 2 | 3 |
| Albizia lebbeck | Siris Tree, Woman's Tongue, East Indian Walnut | 1 | 2 |
| Alcea rosea | Hollyhock | 3 | 2 |
| Alchemilla alpina | Alpine Lady's Mantle, Mountain Lady's Mantle | 2 | 3 |
| Alchemilla xanthochlora | Lady's Mantle | 2 | 3 |
| Alisma plantago-aquatica | Great Water Plantain, ZE-XIE, European water plantain, American water plantain, Northern water plan | 1 | 3 |
| Alkanna tinctoria | Alkanet, Alkanna | 1 | 2 |
| Allium cepa ascalonicum | Shallot | 5 | 3 |
| Allium chinense | Rakkyo | 4 | 2 |
| Allium macrostemon | No-Binu | 3 | 2 |
| Allium ursinum | Wild Garlic | 5 | 3 |
| Alnus glutinosa | Alder, European alder , Common Alder, Black Alder | 0 | 3 |
| Alnus nitida | | 0 | 1 |
| Alnus rhombifolia | White Alder | 1 | 2 |
| Alnus rubra | Red Alder, Oregon Alder | 2 | 2 |
| Alnus rugosa | Speckled Alder | 0 | 2 |
| Alnus serrulata | Smooth Alder, Hazel alder | 0 | 2 |
| Alnus sinuata | Sitka Alder | 1 | 1 |
| Alnus tenuifolia | Mountain Alder, Thinleaf alder | 1 | 2 |
| Alnus viridis crispa | American Green Alder | 1 | 2 |
| Amaranthus blitum | Slender Amaranth, Purple amaranth | 4 | 2 |
| Amaranthus caudatus | Love Lies Bleeding | 4 | 1 |
| Amaranthus hybridus | Rough Pigweed, Slim amaranth | 4 | 1 |
| Amaranthus hypochondriacus | Prince's Feather, Prince-of-wales feather | 4 | 3 |
| Amaranthus retroflexus | Pigweed, Redroot amaranth, Wild Beet | 3 | 2 |
| Amaranthus spinosus | Spiny Amaranth | 2 | 3 |
| Amaranthus tricolor | Chinese Spinach, Joseph's-coat, Fountain Plant, Tampala , Summer Poinsettia | 3 | 1 |
| Amaranthus viridis | Calalu, Slender amaranth | 3 | 2 |
| Ambrosia artemesiifolia | Roman Wormwood, Bitterweed, Blackweed, Carrot Weed, Hay Fever Weed, Stickeweed, Tassel Weed, Wild Ta | 2 | 3 |
| Ambrosia trifida | Giant Ragweed, Great ragweed, Texan great ragweed, Bitterweed, Bloodweed, Buffalo Weed, Horse Cane | 1 | 3 |
| Amelanchier arborea | Downy Serviceberry, Alabama serviceberry, Juneberry, Common Serviceberry, Downy Serviceberry | 3 | 1 |
| Anacardium occidentale | Cashew, Caju | 5 | 3 |
| Anacardium occidentale | Cashew, Caju | 5 | 3 |
| Anaphalis margaritacea | Pearly Everlasting, Western pearly everlasting | 1 | 2 |
| Andropogon virginicus | Broomsedge Bluestem | 0 | 1 |
| Anemone canadensis | Canadian Anemone | 0 | 2 |
| Anemone virginiana | Tall Thimbleweed | 0 | 1 |
| Anemonella thalictroides | Rue-Anemone | 2 | 1 |
| Anemopsis californica | Yerba Mansa | 2 | 2 |
| Angophora cordifolia | Smooth-Barked Apple | 0 | 1 |
| Annona squamosa | Sugar Apple, Sweetsop, Custard Apple | 5 | 2 |
| Antennaria dioica | Catsfoot, Stoloniferous pussytoes | 0 | 2 |
| Anthemis cotula | Mayweed, Stinking chamomile | 1 | 2 |
| Anthyllis vulneraria | Kidney Vetch | 1 | 2 |
| Aphanes arvensis | Parsley Piert, Field parsley piert | 2 | 3 |
| Aquilaria malaccensis | Agar Wood, Eaglewood, Indian Aloewood, Aloeswood | 1 | 3 |
| Aquilaria sinensis | Agar Wood, Pak Muk Heung, White Wood Incense | 0 | 3 |
| Aquilegia canadensis | Wild Columbine, Red columbine, Meeting Houses, Common Columbine | 2 | 2 |
| Aquilegia vulgaris | Columbine, European columbine, Granny's Bonnet, European Crowfoot | 2 | 1 |
| Arbutus arizonica | Arizona Maderone | 2 | 1 |
| Arbutus menziesii | Madrona, Pacific madrone, Pacific Madrone | 3 | 2 |
| Arbutus texana | Texas Madrone | 2 | 1 |
| Arbutus unedo | Strawberry Tree | 4 | 2 |
| Arctostaphylos columbiana | Hairy Manzanita | 2 | 1 |
| Arctostaphylos glauca | Bigberry Manzanita | 2 | 2 |
| Arctostaphylos manzanita | Manzanita, Whiteleaf manzanita, Konocti manzanita, Contra Costa manzanita, Roof's manzanita, Wieslan | 3 | 1 |
| Arctostaphylos nevadensis | Pine-Mat Manzanita | 2 | 1 |
| Arctostaphylos patula | Greenleaf Manzanita | 3 | 1 |
| Arctostaphylos pungens | Pointleaf Manzanita | 1 | 1 |
| Arctostaphylos tomentosa | Downy Manzanita, Woollyleaf manzanita, Brittleleaf manzanita, Dacite manzanita, Rosy manzanita, San | 3 | 3 |
| Arctostaphylos uva-ursi | Bearberry | 3 | 4 |
| Areca catechu | Betel Palm, Betel Nut Palm | 3 | 3 |
| Aristotelia chilensis | Macqui | 3 | 1 |
| Artemisia ludoviciana | White Sage, Louisiana Sage, Prairie Sage, Western Mugwort | 2 | 2 |
| Artocarpus altilis | Breadfruit | 5 | 4 |
| Artocarpus mariannensis | Seeded breadfruit, Marianas bread | 4 | 3 |
| Aruncus dioicus | Goat's Beard, Bride's feathers | 2 | 2 |
| Asclepias pumila | Low Milkweed, Plains milkweed | 2 | 1 |
| Aspidosperma album | Guatambu | 0 | 2 |
| Aspidosperma polyneuron | Peroba Rosa | 0 | 2 |
| Asplenium ruta-muraria | Wall Rue, Lance asplenium | 0 | 2 |
| Asplenium scolopendrium | Hart's Tongue Fern | 0 | 2 |
| Azadirachta indica | Neem | 2 | 4 |
| Bambusa bambos | Giant Thorny Bamboo | 3 | 3 |
| Bambusa vulgaris | Common Bamboo | 3 | 2 |
| Baptisia bracteata | Plains Wild Indigo, Longbract wild indigo, False Indigo, Cream Wild Indigo | 0 | 2 |
| Baptisia tinctoria | Wild Indigo, Horseflyweed | 1 | 3 |
| Basella alba | Malabar Spinach, Indian Spinach, Ceylon spinach, | 4 | 2 |
| Bassia scoparia | Summer Cypress, Burningbush | 2 | 2 |
| Bauhinia variegata | Mountain Ebony | 1 | 2 |
| Begonia palmata | | 1 | 1 |
| Berberis vulgaris | European Barberry, Common barberry | 3 | 3 |
| Bergenia purpurascens | | 0 | 2 |
| Betula glandulosa | Scrub Birch | 2 | 1 |
| Betula kenaica | Kenai Birch | 3 | 1 |
| Betula lenta | Cherry Birch, Sweet birch, Black Birch, Cherry Birch | 3 | 3 |
| Betula nana | Dwarf Birch | 2 | 2 |
| Betula occidentalis | Water Birch | 3 | 2 |
| Betula papyrifera | Paper Birch, Mountain paper birch, Kenai birch | 3 | 2 |
| Betula pendula | Silver Birch, European white birch, Common Birch, Warty Birch, European White Birch | 3 | 3 |
| Betula populifolia | Grey Birch | 2 | 1 |
| Betula pubescens | White Birch, Downy birch | 3 | 3 |
| Bidens tripartita | Burr Marigold, Threelobe beggarticks | 2 | 2 |
| Bixa orellana | Annatto (Lipstick Plant, Urucum, Colorau, Achiote ) | 3 | 3 |
| Blechnum spicant | Hard Fern, Deer fern | 2 | 1 |
| Boehmeria nivea | Ramie, Chinese Grass, Chinese Silk Plant | 2 | 2 |
| Bombax ceiba | Red Silk Cotton Tree, Kapok Tree | 2 | 2 |
| Bowdichia virgilioides | Alcornoco | 0 | 2 |
| Brasenia schreberi | Water Shield | 3 | 2 |
| Broussonetia papyrifera | Paper Mulberry | 4 | 2 |
| Buchanania lanzan | Almondette, Charoli Nut | 4 | 2 |
| Buddleia paniculata | | 0 | 1 |
| Bunium bulbocastanum | Pig Nut, Earth-nut | 4 | 1 |
| Byrsonima crassifolia | Golden Spoon, Nance, Nancy Tree | 4 | 2 |
| Caesalpinia decapetala | Mysore Thorn, Shoofly | 0 | 2 |
| Caesalpinia digyna | Teri pods, Udakiryaka | 2 | 2 |
| Calendula arvensis | Field Marigold | 2 | 3 |
| Calendula officinalis | calendula, Pot Marigold | 3 | 5 |
| Camellia japonica | Camellia, Common Camellia, Japanese Camellia | 3 | 2 |
| Camellia sinensis | Tea Plant, Assam tea, Tea Tree Camellia | 4 | 4 |
| Camellia sinensis assamica | Tea Plant, Assam Tea | 4 | 4 |
| Capsella bursa-pastoris | Shepherd's Purse | 3 | 2 |
| Carapa guianensis | Andiroba | 0 | 4 |
| Carica papaya | Papaya, Mamo, Melon Tree | 5 | 3 |
| Carpesium abrotanoides | | 2 | 2 |
| Carpinus caroliniana | American Hornbeam, Blue Beech, Ironwood, American Hornbeam | 1 | 1 |
| Carya illinoinensis | Pecan | 4 | 1 |
| Carya laciniosa | Shellbark Hickory | 3 | 1 |
| Carya pallida | Sand Hickory | 3 | 1 |
| Carya tomentosa | Mockernut,White Heart Hickory, Mockernut Hickory | 3 | 1 |
| Castanea dentata | American Sweet Chestnut | 3 | 1 |
| Castanea mollissima | Chinese Chestnut | 3 | 2 |
| Castanea pumila | Chinquapin, Ozark chinkapin | 4 | 2 |
| Castanea pumila ashei | Chinquapin | 4 | 1 |
| Castanea sativa | Sweet Chestnut, European chestnut | 5 | 2 |
| Castanopsis sclerophylla | | 2 | 1 |
| Castanospermum australe | Moreton Bay Chestnut | 4 | 1 |
| Ceanothus americanus | New Jersey Tea, Wild Snowball | 3 | 3 |
| Ceanothus cuneatus | Buckbrush, Sedgeleaf buckbrush, Monterey ceanothus | 2 | 1 |
| Cecropia peltata | Trumpet Tree, Snakewood, Congo pump, Wild pawpaw, Pop-a-gun | 3 | 3 |
| Cedrela fissilis | Cedro, Cigar Box Tree | 0 | 2 |
| Cedrela odorata | Cedar Wood, West Indian Cedar, SpanishCedar, Cigar-box Cedar, Cedro Hembra | 1 | 2 |
| Cedrus deodara | Deodar, Deodar cedar | 0 | 2 |
| Ceiba pentandra | Kapok Tree, Cotton Tree, Suma'ma | 3 | 3 |
| Celosia argentea cristata | Lagos Spinach, Common Cockscomb | 4 | 3 |
| Celtis australis | Nettle Tree, European hackberry | 3 | 2 |
| Centaurea cyanus | Cornflower, Garden cornflower, Blue Bottle, Cornflower | 2 | 2 |
| Centaurea montana | Mountain Cornflower, Perennial cornflower, Mountain Bluet | 0 | 2 |
| Cephalanthus occidentalis | Button Bush, Common buttonbush, Button Willow, Honey Bells, Buttonbush | 0 | 2 |
| Cerastium viscosum | sticky chickweed | 2 | 1 |
| Ceratonia siliqua | Carob, St. john's bread | 3 | 2 |
| Cercis canadensis | Redbud, Eastern redbud, Mexican redbud,Texas redbud | 3 | 2 |
| Chaenomeles speciosa | Japanese Quince, Flowering quince | 3 | 2 |
| Chamaecrista nigricans | Diola, Diala | 1 | 2 |
| Chimaphila maculata | Spotted Wintergreen, Striped prince's pine, Pipsissewa | 1 | 3 |
| Chimaphila umbellata | Pipsissewa | 2 | 3 |
| Chloroxylon swietenia | East Indian Satinwood | 0 | 3 |
| Chrysobalanus icaco | Coco Plum, Paradise Plum | 4 | 2 |
| Chrysophyllum cainito | Star Apple, Caimito | 4 | 2 |
| Chukrasia tabularis | Chickrassy, Chittagong Wood, Indian Redwood. | 1 | 2 |
| Cibotium barometz | Scythian Lamb | 1 | 1 |
| Cicer arietinum | Chick Pea | 4 | 1 |
| Ciliosemina pedunculata | Ciliosemina | 0 | 4 |
| Cinchona calisaya | Peruvian Bark, Quinine | 2 | 5 |
| Cinchona micrantha | Huannco | 2 | 4 |
| Cinchona officinalis | Lojabark | 2 | 5 |
| Cinchona pubescens | Quinine tree, Red Bark, Cinchona, Quina, Quinquina, Quinine Bark, Peruvian Bark, Jesuit's Bark | 2 | 5 |
| Cinnamomum loureiroi | Saigon Cinnamon | 4 | 3 |
| Cinnamomum verum | Cinnamon, Ceylon Cinnamon Tree | 4 | 3 |
| Cirsium arvense | Creeping Thistle, Canada thistle | 2 | 2 |
| Cirsium spicatum | | 3 | 1 |
| Citrus aurantiifolia | Lime, Key Lime, Mexican Lime, Mexican Thornless Key Lime | 4 | 2 |
| Citrus limon | Lemon | 4 | 5 |
| Citrus reticulata | Mandarin, Tangerine, Unshu orange, Satsuma Orange,Temple Orange, Tangerine | 3 | 3 |
| Clinopodium vulgare | Wild Basil | 2 | 1 |
| Cnicus benedictus | Blessed Thistle | 2 | 3 |
| Cnidium monnieri | She Chuang Zi, Monnier's snowparsley | 1 | 3 |
| Cola acuminata | Cola Nut, Kola, Bissy Nut | 3 | 4 |
| Cola nitida | Cola Nut, Kola, Bissy Nuts | 3 | 4 |
| Commelina communis | Day Flower, Asiatic dayflower | 3 | 2 |
| Commiphora myrrha | Myrrh, Myrrh Gum | 2 | 4 |
| Commiphora wightii | Guggul, Indian bdellium-tree | 2 | 3 |
| Comptonia peregrina | Sweet Fern | 3 | 3 |
| Comptonia peregrina asplenifolia | Sweet Fern | 3 | 3 |
| Convolvulus erubescens | Australian Bindweed, Pinkflower bindweed | 0 | 1 |
| Conyza canadensis | Canada Fleabane, Canadian horseweed | 1 | 3 |
| Copaifera coriacea | Sapucaia tree | 2 | 4 |
| Copaifera guyanensis | Hoepel, Guyanense Copaiba | 2 | 4 |
| Copaifera langsdorffii | Copaiba, Langsdorf's copaifera | 1 | 4 |
| Copaifera multijuga | Hayne oil, Copaiba, | 1 | 4 |
| Copaifera officinalis | Copaiba Balsam, Medicinal Copaiba | 2 | 4 |
| Copaifera reticulata | Copaiba, Reticulated Copaiba, Copaiba Balsam | 0 | 4 |
| Coptis trifolia | Goldthread, Threeleaf goldthread | 2 | 2 |
| Coreopsis tinctoria | Coreopsis, Golden tickseed, Atkinson's tickseed, Dyer's Coreopsis, Plains Coreopsis, Annual Coreops | 1 | 1 |
| Coreopsis tinctoria atkinsoniana | Coreopsis | 1 | 1 |
| Cornus alternifolia | Green Osier, Alternateleaf dogwood, Alternate Leaf Dogwood, Golden Shadows Pagoda Dogwood, Green Osi | 0 | 2 |
| Cornus amomum | Silky Dogwood | 1 | 2 |
| Cornus capitata | Bentham's Cornel | 4 | 1 |
| Cornus chinensis | | 2 | 3 |
| Cornus florida | Flowering Dogwood | 2 | 2 |
| Cornus macrophylla | Large-Leaf Dogwood | 2 | 2 |
| Cornus mas | Cornelian Cherry, Cornelian Cherry Dogwood | 4 | 2 |
| Cornus monbeigii | | 1 | 2 |
| Cornus oblonga | Oblong-Petal Dogwood | 0 | 3 |
| Cornus officinalis | Shan Zhu Yu, Asiatic dogwood, Japanese Cornel Dogwood | 4 | 3 |
| Cornus poliophylla | | 1 | 2 |
| Cornus sanguinea | Dogwood, Bloodtwig dogwood | 2 | 1 |
| Cornus sericea | Red Osier Dogwood, Western dogwood | 2 | 2 |
| Corydalis ambigua | | 1 | 3 |
| Corylus americana | American Hazel | 3 | 1 |
| Corylus avellana | Common Hazel, Common filbert, European Filbert, Harry Lauder's Walking Stick, Corkscrew Hazel, Hazel | 5 | 2 |
| Corymbia citriodora | Lemon-Scented Gum, blue spotted gum, lemon eucalyptus, eucalyptus citriodora. | 2 | 3 |
| Cotoneaster bacillaris | | 0 | 1 |
| Cotoneaster microphyllus | | 2 | 1 |
| Crataegus cuneata | Sanzashi, Chinese hawthorn | 3 | 3 |
| Crataegus douglasii | Black Hawthorn | 4 | 2 |
| Crataegus laevigata | Midland Hawthorn, Smooth hawthorn, English Hawthorn | 3 | 5 |
| Crataegus monogyna | Hawthorn, Oneseed hawthorn | 3 | 5 |
| Crescentia cujete | Calabash Tree | 3 | 2 |
| Cullen corylifolium | Bu Gu Zhi | 1 | 4 |
| Cupressus lusitanica | Mexican Cypress | 0 | 2 |
| Cupressus sempervirens | Italian Cypress | 0 | 2 |
| Cycas revoluta | Japanese Sago Palm, Sago palm, King Sago Palm | 2 | 2 |
| Cydonia oblonga | Quince | 4 | 2 |
| Cynodon dactylon | Bermuda Grass | 0 | 3 |
| Cynoglossum officinale | Hound's Tongue, Gypsyflower | 1 | 2 |
| Cyperus rotundus | Nut Grass | 3 | 3 |
| Cyrilla racemiflora | Leatherwood, Swamp titi, Black Titi, Swamp, Myrtle, Titi Swamp, Leatherwood | 0 | 1 |
| Descurainia sophia | Flixweed, Herb sophia | 2 | 2 |
| Dianthus superbus | Fringed Pink | 2 | 3 |
| Dichrostachys cinerea | Marabou Thorn, Sickle Bush | 2 | 2 |
| Dicksonia antarctica | Tree Fern, Australian treefern | 1 | 1 |
| Diospyros kaki | Persimmon, Japanese persimmon | 4 | 3 |
| Diospyros malabarica | Indian Persimmon, Gaub, Timbiri, Mountain ebony | 1 | 3 |
| Diospyros mespiliformis | West African Ebony, Monkey guava, jackalberry | 4 | 3 |
| Diospyros virginiana | American Persimmon, Common persimmon, Persimmon | 5 | 1 |
| Dipteryx odorata | Tonka Bean, Brazilian Teak | 3 | 2 |
| Dracocephalum moldavica | Moldavian Balm, Moldavian dragonhead | 1 | 1 |
| Dryas octopetala | Mountain Avens, Eightpetal mountain-avens, Alaskan mountain-avens, Hooker's mountain-avens, Kamtsch | 1 | 1 |
| Dryopteris filix-mas | Male Fern | 2 | 4 |
| Eclipta prostrata | Han Lian Cao, False daisy | 1 | 3 |
| Elaeagnus latifolia | Bastard Oleaster | 3 | 2 |
| Elaeagnus multiflora | Goumi, Cherry silverberry | 5 | 2 |
| Elaeagnus parvifolia | Autumn olive | 4 | 2 |
| Elaeagnus pungens | Elaeagnus, Thorny olive, Thorny Elaeagnus, Oleaster, Silverberry, Silverthorn, Pungent Elaeagnus | 5 | 2 |
| Elaeagnus umbellata | Autumn Olive | 4 | 2 |
| Eleusine coracana | Finger Millet, African finger millet | 4 | 2 |
| Elsholtzia ciliata | Crested latesummer mint | 2 | 2 |
| Emilia sonchifolia | Cupid's Shaving Brush, Lilac tasselflower | 3 | 2 |
| Empetrum nigrum | Crowberry, Black crowberry, Black Crowberry | 3 | 2 |
| Epigaea repens | Mayflower, Trailing arbutus, Ground Laurel | 2 | 2 |
| Epilobium angustifolium | Willow Herb | 3 | 2 |
| Epilobium hirsutum | Codlins And Cream | 2 | 1 |
| Equisetum arvense | Field Horsetail | 2 | 3 |
| Equisetum sylvaticum | Wood Horsetail, Woodland horsetail | 1 | 2 |
| Equisetum telmateia | Giant Horsetail | 1 | 1 |
| Erigeron philadelphicus | Philadelphia Fleabane | 0 | 2 |
| Eriobotrya japonica | Loquat, Japanese Loquat | 4 | 3 |
| Eriophorum angustifolium | Cotton Grass, Tall cottongrass | 2 | 1 |
| Erodium cicutarium | Stork's Bill, Redstem stork's bill | 3 | 2 |
| Erodium moschatum | Musk Storksbill | 2 | 1 |
| Erodium stephanianum | | 0 | 2 |
| Erophila verna | Whitlow Grass | 1 | 1 |
| Eucalyptus camaldulensis | Red River Gum, Murray Red Gum, River Red Eucalyptus | 1 | 3 |
| Eucalyptus citriodora | Lemon-Scented Gum, Lemon Scented Eucalyptus | 1 | 3 |
| Eucalyptus gummifera | Red Bloodwood | 1 | 3 |
| Eucalyptus macrorhyncha | Red Stringybark | 1 | 3 |
| Eucalyptus racemosa | Snappy Gum | 0 | 3 |
| Eucommia ulmoides | Gutta-Percha | 1 | 3 |
| Eugenia brasiliensis | Grumichama, Brazilian Plum | 4 | 2 |
| Eugenia uniflora | Brazil Cherry | 4 | 3 |
| Euodia ruticarpa | Wu Zhu Yu | 0 | 3 |
| Euonymus alatus | Winged Spindle Tree, Burningbush, Corky spindletree | 1 | 2 |
| Euonymus alatus apterus | Winged Spindle Tree | 1 | 2 |
| Eupatorium purpureum | Gravel Root | 1 | 3 |
| Euphorbia drummondii | Caustic Weed | 0 | 1 |
| Euphorbia marginata | Mountain Snow, Ghost Spurge, Ghost Weed | 1 | 1 |
| Euphrasia officinalis | Eyebright | 1 | 3 |
| Euryale ferox | Foxnut, Euryale | 3 | 2 |
| Exocarpus cupressiformis | Native Cherry | 2 | 1 |
| Fagopyrum esculentum | Buckwheat | 4 | 3 |
| Fagopyrum tataricum | Tartarian Buckwheat | 3 | 1 |
| Faidherbia albida | White Acacia. White-thorn. Apple ring acacia | 1 | 2 |
| Ficus racemosa | Cluster Fig | 3 | 2 |
| Filipendula rubra | Queen Of The Prairie, Meadowsweet | 0 | 1 |
| Filipendula ulmaria | Meadowsweet, Queen of the meadow, Double Lady of the Meadow, European Meadowsweet | 3 | 3 |
| Firmiana simplex | Chinese Parasol Tree, Chinese parasoltree, Japanese Varnish Tree, Chinese Parasol Tree | 1 | 1 |
| Fragaria californica | Californian Strawberry | 2 | 1 |
| Fragaria chiloensis | Beach Strawberry, Pacific beach strawberry, Sandwich beach strawberry | 3 | 1 |
| Fragaria nubicola | Indian Strawberry | 2 | 1 |
| Fragaria vesca | Wild Strawberry, Woodland strawberry, California strawberry | 3 | 3 |
| Fragaria vesca 'Semperflorens' | Alpine Strawberry | 5 | 3 |
| Fragaria virginiana | Scarlet Strawberry, Virginia strawberry | 3 | 2 |
| Fraxinus americana | White Ash | 1 | 2 |
| Fraxinus chinensis rhynchophylla | Hua Qu Liu | 0 | 2 |
| Fraxinus excelsior | Ash, European ash, Common Ash | 2 | 2 |
| Fraxinus longicuspis | | 0 | 1 |
| Fritillaria verticillata | | 2 | 3 |
| Galeopsis segetum | Downy Hemp Nettle | 0 | 2 |
| Galinsoga parviflora | Gallant Soldier | 2 | 1 |
| Galium aparine | Goosegrass, Coachweed, Catchweed, Stickywilly | 2 | 3 |
| Galium verum | Lady's Bedstraw, Yellow Spring bedstraw, Wirtgen's bedstraw | 3 | 2 |
| Garcinia kola | Bitter Kola | 3 | 4 |
| Garcinia mangostana | Mangosteen, Manggis | 5 | 2 |
| Gaultheria procumbens | Checkerberry, Eastern teaberry, Teaberry, Creeping Wintergreen | 4 | 3 |
| Gaultheria shallon | Shallon, Salal | 5 | 2 |
| Gaylussacia baccata | Black Huckleberry | 4 | 1 |
| Geranium bicknellii | Bicknell's cranesbill | 1 | 1 |
| Geranium dissectum | Cut-Leafed Cranesbill, Cutleaf geranium | 1 | 2 |
| Geranium erianthum | Wooly Geranium | 1 | 1 |
| Geranium lucidum | Shining geranium | 0 | 1 |
| Geranium maculatum | Spotted Cranesbill, Spotted geranium, Crowfoot, Wild Geranium, Cranesbill | 0 | 3 |
| Geranium molle | Dovefoot Geranium | 0 | 1 |
| Geranium nepalense | Nepalese Crane's Bill | 1 | 2 |
| Geranium ocellatum | | 0 | 1 |
| Geranium pusillum | Small geranium | 0 | 1 |
| Geranium robertianum | Herb Robert, Robert geranium | 0 | 2 |
| Geranium rotundifolium | Roundleaf geranium | 0 | 1 |
| Geranium sibiricum | Siberian geranium | 0 | 1 |
| Geranium thunbergii | Thunberg's geranium | 1 | 1 |
| Geranium viscosissimum | Sticky Geranium, Sticky purple geranium | 1 | 2 |
| Geranium wallichianum | | 0 | 2 |
| Geranium wilfordii | | 0 | 2 |
| Geum aleppicum | Yellow Avens | 1 | 2 |
| Geum japonicum | | 1 | 2 |
| Geum pentapetalum | Aleutian avens | 0 | 2 |
| Geum rivale | Water Avens, Purple avens | 3 | 2 |
| Geum urbanum | Wood Avens, Bennet's Root - Old man's whiskers, Herb bennet | 3 | 3 |
| Ginkgo biloba | Maidenhair Tree, Ginkgo | 5 | 5 |
| Glechoma hederacea | Ground Ivy, Field Balm, Gill Over The Ground, Runaway Robin | 2 | 3 |
| Gleditsia japonica | | 3 | 1 |
| Gleditsia sinensis | Locust | 3 | 3 |
| Glycine max | Soya Bean | 4 | 2 |
| Glycine soja | Wild Soya Bean | 3 | 2 |
| Gnaphalium luteoalbum | Jersey Cudweed | 1 | 1 |
| Gnaphalium uliginosum | Marsh Cudweed | 0 | 2 |
| Gossypium herbaceum | Levant cotton | 3 | 3 |
| Gunnera tinctoria | Gunnera, Chilean gunnera | 1 | 1 |
| Gutierrezia sarothrae | Broomweed, Broom snakeweed | 0 | 2 |
| Gymnema sylvestre | Gurmar, Gymnema | 3 | 4 |
| Hamamelis virginiana | Witch Hazel, American witchhazel, Common Witchhazel, Virginian Witchhazel, Witchhazel | 1 | 5 |
| Hedera helix | Ivy, English ivy, Algerian ivy, Baltic Ivy, Common Ivy | 0 | 3 |
| Helianthemum canadense | Frostweed, Longbranch frostweed | 0 | 2 |
| Hepatica nobilis | Hepatica, Sharplobe hepatica, Roundlobe hepatica | 0 | 2 |
| Herniaria glabra | Rupture Wort, Smooth rupturewort | 0 | 2 |
| Heuchera americana | Rock Geranium, American alumroot, Alumroot, Coral Bells, Rock Geranium | 0 | 3 |
| Heuchera diversifolia | Alum Root, Crevice alumroot | 1 | 1 |
| Heuchera micrantha | Alum Root, Crevice alumroot, Hartweg's alumroot, Coral Bells | 1 | 2 |
| Heuchera versicolor | Pink alumroot | 0 | 1 |
| Hibiscus rosa-sinensis | Chinese Hibiscus, Shoeblackplant, Hawaiian Hibiscus, Tropical Hibiscus, China Rose, Rose-of-China, S | 3 | 3 |
| Hibiscus sabdariffa | Roselle | 3 | 3 |
| Himatanthus sucuuba | Plumeria sucuuba | 0 | 4 |
| Hippophae rhamnoides | Sea Buckthorn, Seaberry | 5 | 5 |
| Hippophae rhamnoides turkestanica | Sea Buckthorn | 5 | 5 |
| Holodiscus dumosus | Rock Spiraea | 1 | 1 |
| Houttuynia cordata | Tsi, Chameleon, Rainbow Plant, Chameleon Plant | 4 | 3 |
| Hydrastis canadensis | Goldenseal | 0 | 3 |
| Hydrophyllum virginianum | Virginia Waterleaf, Eastern waterleaf | 3 | 1 |
| Hypericum erectum | | 1 | 1 |
| Hypericum monogynum | | 0 | 2 |
| Hypericum perforatum | St. John's Wort, Common St. Johnswort | 2 | 4 |
| Hypochoeris glabra | Smooth Cat's Ear | 1 | 1 |
| Hyssopus officinalis | Hyssop | 2 | 3 |
| Ilex aquifolium | Holly, English holl, Christmas Holly, Common Holly, English Holly | 2 | 2 |
| Ilex verticillata | Winterberry, Common winterberry | 1 | 3 |
| Imperata cylindrica | Cogongrass, Japanese Blood Grass | 3 | 3 |
| Inga vera | Ice cream bean, River koko, Guaba, Pois Doux | 2 | 2 |
| Inula helenium | Elecampane, Elecampane inula | 3 | 3 |
| Iris pseudacorus | Yellow Flag, Paleyellow iris | 1 | 2 |
| Isatis tinctoria | Woad, Dyer's woad | 2 | 3 |
| Jasminum humile | Yellow Jasmine | 1 | 1 |
| Jasminum sambac | Jasmine Tea | 3 | 3 |
| Jatropha curcas | Physic Nut, Barbados Nut | 2 | 3 |
| Juglans ailanthifolia | Japanese Walnut | 3 | 1 |
| Juglans ailanthifolia cordiformis | Heartseed Walnut | 4 | 1 |
| Juglans cinerea | Butternut - White Walnut, Butternut | 3 | 3 |
| Juglans nigra | Black Walnut | 3 | 3 |
| Juglans regia | Walnut, English walnut, Persian Walnut, | 4 | 3 |
| Juglans regia kamaonia | Walnut | 3 | 3 |
| Kalmia angustifolia | Sheep Laurel | 0 | 2 |
| Kalmia latifolia | Mountain Laurel, Calico Bush, Ivy | 0 | 2 |
| Kalmia polifolia | Swamp Laurel, Bog laurel | 0 | 2 |
| Knautia arvensis | Field Scabious, Field scabiosa | 0 | 2 |
| Kummerowia stipulacea | Korean Lespedeza, Korean clover | 0 | 1 |
| Kummerowia striata | Common Lespedeza, Japanese clover | 2 | 1 |
| Lablab purpureus | Hyacinth Bean, Bonavist-bean | 4 | 2 |
| Lachnanthes carolina | Red Root | 0 | 2 |
| Lactuca pulchella | Blue Lettuce | 2 | 2 |
| Lagerstroemia indica | Crepe Myrtle, Crepeflower | 0 | 2 |
| Lamium album | White Dead Nettle | 2 | 3 |
| Lamium galeobdolon | Yellow Archangel | 2 | 1 |
| Lamium purpureum | Red Dead Nettle, Purple deadnettle | 2 | 1 |
| Lansium domesticum | Langsat, Lansa, Lanzon | 4 | 2 |
| Larix decidua | Larch, European Larch, Common Larch | 2 | 3 |
| Larix laricina | Tamarack, Hackmatack, American Larch | 2 | 2 |
| Laurus nobilis | Bay Tree, Sweet bay, Grecian Laurel, True Laurel, | 3 | 3 |
| Lawsonia inermis | Henna, Mignonette Tree | 0 | 3 |
| Ledum columbianum | Labrador tea | 2 | 1 |
| Ledum glandulosum | Labrador Tea, Western Labrador tea | 2 | 1 |
| Ledum palustre | Wild Rosemary, Marsh Labrador tea | 2 | 3 |
| Lemna minor | Duckweed, Common duckweed | 1 | 2 |
| Leonurus cardiaca | Motherwort, Common motherwort | 2 | 3 |
| Leonurus sibiricus | Chinese Motherwort, Honeyweed | 2 | 3 |
| Leptospermum ericoides | | 1 | 1 |
| Lespedeza juncea | Chinese Lespedeza, Juncea lespedeza | 1 | 1 |
| Liatris spicata | Gayfeather, Dense blazing star, Spiked Blazing Star, Button Snakewot, Gayfeather, Spiked Gayfeather, | 0 | 3 |
| Ligustrum vulgare | Privet, European privet , Common Privet | 0 | 1 |
| Lilium candidum | Madonna Lily | 3 | 2 |
| Limonium carolinianum | Sea Lavender, Lavender thrift | 0 | 1 |
| Linaria vulgaris | Yellow Toadflax, Butter and eggs | 1 | 2 |
| Lindera benzoin | Spice Bush, Northern spicebush, Bush Northern Spice | 3 | 3 |
| Lindera strychnifolia | | 0 | 2 |
| Liquidambar formosana | Formosan Gum, Chinese Sweet Gum, Formosa Sweet Gum | 0 | 3 |
| Liquidambar styraciflua | Sweet Gum, Red Gum, American Sweet Gum, Red Sweet Gum, | 2 | 3 |
| Lithocarpus densiflorus | Tanbark Oak | 2 | 1 |
| Lithocarpus pachyphylla | | 2 | 1 |
| Lithospermum ruderale | Western Gromwell, Western Stoneseed | 1 | 2 |
| Lobularia maritima | Sweet Alyssum | 1 | 1 |
| Lolium perenne | Perennial Ryegrass, Italian ryegrass, Darnel, Lyme Grass, Terrell Grass, English Ryegrass, Strand Wh | 1 | 1 |
| Lonicera periclymenum | Honeysuckle, European honeysuckle | 1 | 2 |
| Luffa aegyptiaca | Loofah | 2 | 2 |
| Lycopus americanus | Water Horehound, American water horehound | 1 | 3 |
| Lycopus europaeus | Gypsywort | 1 | 3 |
| Lycopus virginicus | Bugleweed, Virginia water horehound | 2 | 3 |
| Lysimachia nemorum | Yellow Pimpernel | 0 | 1 |
| Lysimachia nummularia | Creeping Jenny, Moneywort, Creeping Charlie | 1 | 2 |
| Lysimachia quadrifolia | Whorled Yellow Loosestrife | 1 | 1 |
| Lysimachia vulgaris | Yellow Loosestrife, Garden yellow loosestrife | 1 | 2 |
| Lythrum salicaria | Purple Loosestrife | 2 | 3 |
| Maclura tinctoria | Fustic Tree | 2 | 2 |
| Magnolia denudata | Lily Tree, Yulan Magnolia | 1 | 2 |
| Magnolia virginiana | Laurel Magnolia, Sweetbay | 1 | 3 |
| Malus coronaria | Garland Crab, Sweet crab apple | 3 | 1 |
| Malus domestica | Apple | 5 | 2 |
| Malus fusca | Oregon Crab, Oregon crab apple | 3 | 2 |
| Malus sylvestris | Crab Apple, European crab apple | 3 | 2 |
| Malva moschata | Musk Mallow | 5 | 2 |
| Malva neglecta | Dwarf Mallow, Common mallow | 4 | 2 |
| Malva sylvestris | Mallow, High mallow, French Hollyhock, Common Mallow, Tree Mallow, Tall Mallow | 3 | 3 |
| Mangifera indica | Mango, Bowen Mango | 5 | 3 |
| Manilkara zapota | Sapodilla, Nispero | 5 | 2 |
| Melastoma dodecandrum | | 0 | 1 |
| Melia azederach | Bead Tree, Pride of India, Chinaberry | 3 | 3 |
| Melilotus indicus | Annual Yellow Sweetclover | 1 | 2 |
| Melittis melissophyllum | Bastard Balm | 1 | 1 |
| Mentha aquatica | Water Mint | 3 | 3 |
| Menyanthes trifoliata | Bogbean, Buckbean, Marsh Trefoil, | 2 | 3 |
| Mespilus germanica | Medlar | 4 | 1 |
| Metaplexis japonica | Rough potato | 2 | 2 |
| Metrosideros excelsa | Pohutukawa | 1 | 1 |
| Mimulus guttatus | Yellow Monkey Flower, Seep monkeyflower | 2 | 2 |
| Mimusops elengi | Spanish Cherry, Bakul | 3 | 2 |
| Mitchella repens | Partridge Berry | 3 | 3 |
| Moringa oleifera | Horseradish Tree, Moringa, | 4 | 4 |
| Morus alba | White Mulberry, Common Mulberry, | 4 | 3 |
| Morus alba multicaulis | White Mulberry | 4 | 3 |
| Morus australis | Korean Mulberry, Aino Mulberry | 2 | 2 |
| Morus macroura | Himalayan Mulberry | 2 | 1 |
| Morus nigra | Black Mulberry | 5 | 3 |
| Musa acuminata | Dwarf Banana, Edible banana | 5 | 2 |
| Musa x paradisiaca | Banana | 5 | 2 |
| Myosotis alpestris | Alpine Forget-Me-Not, Scorpion Grass, Forget-Me-Not | 0 | 2 |
| Myrica cerifera | Wax Myrtle - Bayberry Wild Cinnamon, Southern Bayberry, Wax Myrtle, Southern Wax Myrtle | 3 | 3 |
| Myrica gale | Bog Myrtle, Sweetgale | 2 | 2 |
| Myrica heterophylla | Bayberry | 3 | 2 |
| Myrica nagi | Box Myrtle | 2 | 3 |
| Myrica rubra | Chinese Bayberry | 2 | 2 |
| Myrtus communis | Myrtle, Foxtail Myrtle | 3 | 3 |
| Nandina domestica | Sacred Bamboo, Heavenly Bamboo | 1 | 2 |
| Narcissus pseudonarcissus | Wild Daffodil, Daffodil | 0 | 2 |
| Nelumbo nucifera | Sacred Water Lotus, Sacred lotus | 4 | 3 |
| Nepeta cataria | Catmint, Catnip | 3 | 2 |
| Nephelium lappaceum | Rambutan, Hairy Lychee | 5 | 2 |
| Nuphar advena | Common Spatterdock, Yellow pond-lily, Varigated yellow pond-lily | 3 | 2 |
| Nuphar lutea | Yellow Water Lily, Yellow pond-lily, Rocky Mountain pond-lily, Varigated yellow pond-lily | 3 | 2 |
| Nymphaea alba | White Water Lily, European white waterlily | 3 | 2 |
| Nymphaea candida | | 2 | 2 |
| Nymphaea odorata | Fragrant Water Lily, American white waterlily | 3 | 3 |
| Nymphaea tuberosa | Tuberous Water Lily, American white waterlily | 3 | 3 |
| Oenothera biennis | Evening Primrose, Sun Drop, Common evening primrose | 3 | 5 |
| Oenothera glazioviana | Large-Flower Evening Primrose, Redsepal evening primrose | 2 | 2 |
| Olea europaea | Olive, African olive, European olive | 4 | 3 |
| Onopordum acanthium | Scotch Thistle, Scotch cottonthistle | 2 | 1 |
| Opuntia polyacantha | Plains Prickly Pear, El Paso pricklypear, Grizzlybear pricklypear, Navajo Bridge pricklypear, Hairsp | 3 | 1 |
| Orchis laxiflora | Marsh Orchis | 2 | 2 |
| Orchis mascula | Early Purple Orchis | 2 | 2 |
| Osmunda regalis | Royal Fern, Flowering Fern | 0 | 2 |
| Ostrya virginiana | Ironwood, Hophornbeam, Hop Hornbeam American, Hop Hornbeam Eastern | 0 | 1 |
| Oxalis acetosella | Wood Sorrel | 3 | 2 |
| Oxalis corniculata | Yellow Sorrel, Creeping woodsorrel | 2 | 2 |
| Oxyria digyna | Mountain Sorrel, Alpine mountainsorrel | 3 | 1 |
| Paederia foetida | Skunk Vine | 2 | 4 |
| Paeonia anomala | Anomalous peony, Common Peony | 1 | 3 |
| Paeonia lactiflora | Chinese Peony, Peony | 1 | 3 |
| Paliurus spina-christi | Christ's Thorn, Jeruselem thorn | 1 | 1 |
| Panax pseudoginseng notoginseng | San Qi | 1 | 5 |
| Papaver somniferum | Opium Poppy | 4 | 4 |
| Parnassia palustris | Grass Of Parnassus, Marsh grass of Parnassus, Mountain grass of Parnassus, Alaska grass of Parnass | 0 | 2 |
| Parthenocissus quinquefolia | Virginia Creeper, Woodbine | 2 | 2 |
| Passiflora incarnata | Maypops - Passion Flower, Purple passionflower, Apricot Vine, Maypop, Wild Passion Flower, Purple Pa | 3 | 3 |
| Paullinia cupana | Guarana | 4 | 2 |
| Paulownia tomentosa | Foxglove Tree, Princesstree, Empress Tree, Royal Paulownia, | 1 | 2 |
| Pedicularis longiflora tubiformis | | 0 | 2 |
| Pelargonium acetosum | | 1 | 1 |
| Pelargonium australe | Ivy Geranium | 1 | 1 |
| Pelargonium bowkeri | | 1 | 1 |
| Pelargonium capitatum | Rose-Scented Geranium | 0 | 3 |
| Pelargonium crispum | Lemon Geranium | 2 | 2 |
| Pelargonium exstipulatum | Pennyroyal Geranium | 1 | 2 |
| Pelargonium fragrans | Nutmeg Geranium | 1 | 2 |
| Pelargonium fulgidum | | 0 | 1 |
| Pelargonium glutinosum | Pheasant's Foot Geranium | 0 | 1 |
| Pelargonium graveolens | Rose Geranium, Sweet scented geranium | 2 | 3 |
| Pelargonium incrassatum | | 0 | 1 |
| Pelargonium odoratissimum | Apple Geranium | 2 | 3 |
| Pelargonium peltatum | Ivy-Leaved Geranium, Hanging Geranium, Ivy Geranium | 1 | 1 |
| Pelargonium quercifolium | Oak-Leaved Geranium | 0 | 2 |
| Pelargonium radens | Rasp-leaf pelargonium | 0 | 2 |
| Pelargonium tomentosum | Peppermint Geranium | 1 | 2 |
| Pelargonium triste | | 1 | 1 |
| Pelargonium vitifolium | Grapeleaf geranium | 0 | 1 |
| Pelargonium zonale | Horseshoe geranium | 1 | 1 |
| Peltophorum pterocarpum | Copperpod, Yellow Poinciana | 0 | 2 |
| Penthorum sedoides | Virginian Stonecrop, Ditch stonecrop | 1 | 2 |
| Phaseolus lunatus | Lima Bean, Sieva bean | 4 | 1 |
| Phyllanthus emblica | Emblica, Indian Gooseberry | 3 | 5 |
| Phyllocladus trichomanoides | Tanekaha, Celery pine | 0 | 1 |
| Phyllostachys nigra | Black Bamboo, Kuro-Chiku | 4 | 3 |
| Pilosella officinarum | Mouse-Ear Hawkweed | 0 | 3 |
| Pimpinella major | Greater Burnet Saxifrage, Hollowstem burnet saxifrage | 1 | 2 |
| Pimpinella saxifraga | Burnet Saxifrage, Solidstem burnet saxifrage | 2 | 2 |
| Pinus massoniana | Chinese Red Pine | 2 | 2 |
| Pinus palustris | Pitch Pine, Longleaf pine, Southern Pine | 1 | 2 |
| Piper betle | Betel | 2 | 3 |
| Plantago amplexicaulis | | 1 | 2 |
| Plantago lanceolata | Ribwort Plantain, Narrowleaf plantain | 2 | 3 |
| Plantago major | Common Plantain, Cart Track Plant,White Man's Foot ,Plantain | 2 | 3 |
| Plantago media | Hoary Plantain | 2 | 2 |
| Platanus occidentalis | Buttonwood, American sycamore, American Planetree, Sycamore, American Sycamore | 1 | 2 |
| Platanus orientalis | Oriental Plane, Oriental planetree | 0 | 2 |
| Platonia insignis | Bakuri, Bacuri | 4 | 2 |
| Platycodon grandiflorus | Balloon Flower | 2 | 3 |
| Podocarpium podocarpum fallax | | 1 | 1 |
| Polemonium caeruleum | Jacob's Ladder, Charity | 0 | 2 |
| Polemonium reptans | Abcess Root, Greek valerian | 0 | 2 |
| Polygonatum multiflorum | Solomon's Seal, Eurasian Solomon's seal | 2 | 3 |
| Polygonum alaskanum | Alaska Wild Rhubarb | 2 | 1 |
| Polygonum alpinum | Alpine Knotweed, Alaska wild rhubarb | 2 | 1 |
| Polygonum amphibium | Willow Grass, Water knotweed, Longroot smartweed, Water smartweed | 1 | 2 |
| Polygonum aviculare | Knotweed, Prostrate knotweed | 2 | 3 |
| Polygonum barbatum | Joint Weed | 1 | 1 |
| Polygonum bistorta | Bistort, Meadow bistort, Snakeweed | 3 | 3 |
| Polygonum bistortoides | American Bistort | 3 | 1 |
| Polygonum hydropiper | Smartweed, Marshpepper knotweed | 2 | 2 |
| Polygonum lapathifolium | Curlytop Knotweed | 1 | 1 |
| Polygonum manshuriense | Asian Bistort | 0 | 1 |
| Polygonum molle | | 2 | 1 |
| Polygonum multiflorum | He Shou Wu, Tuber fleeceflower | 2 | 3 |
| Polygonum persicaria | Red Leg, Spotted ladysthumb | 1 | 2 |
| Polygonum virginianum | Jumpseed, Fleece Flower, Smartweed, Knotweed | 1 | 1 |
| Polygonum viviparum | Alpine Bistort | 3 | 1 |
| Pongamia pinnata | Pongam, Karum Tree, Poonga-Oil Tree, Indian Beech | 0 | 3 |
| Populus alba | White Poplar | 1 | 2 |
| Populus nigra | Black Poplar, Lombardy poplar | 1 | 3 |
| Populus tremuloides | American Aspen - Poplar, Quaking aspen | 1 | 3 |
| Potentilla anserina | Silverweed | 3 | 3 |
| Potentilla chinensis | Chinese Cinquefoil | 1 | 1 |
| Potentilla discolor | | 2 | 1 |
| Potentilla egedei | Pacific Silverweed | 2 | 1 |
| Potentilla erecta | Tormentil, Erect cinquefoil | 1 | 3 |
| Potentilla fragarioides | | 1 | 1 |
| Potentilla fruticosa | Shrubby Cinquefoil, Potentilla | 1 | 1 |
| Potentilla glandulosa | Gland Cinquefoil, Sticky cinquefoil, Arizona cinquefoil, Ashland cinquefoil, Ewan's cinquefoil, Hans | 1 | 1 |
| Potentilla kleiniana | | 1 | 1 |
| Potentilla palustris | Marsh Cinquefoil | 1 | 1 |
| Potentilla recta | Rough-Fruited Cinquefoil, Erect cinquefoil | 2 | 1 |
| Potentilla reptans | Cinquefoil, Creeping cinquefoil | 1 | 2 |
| Potentilla simplex | Old Field Cinquefoil, Common cinquefoil | 0 | 1 |
| Potentilla supina | | 1 | 1 |
| Pouteria sapota | Sapote, Mamey Sapote | 4 | 2 |
| Primula vulgaris | Primrose, Common Primrose, English Primrose | 3 | 3 |
| Prosopis cineraria | Jandi, Ghaf | 3 | 2 |
| Prunella vulgaris | Self-Heal, Common selfheal, Aleutian selfheal, Lance selfheal | 2 | 3 |
| Prunus americana | American Plum, American Wild Plum, Wild Plum | 3 | 2 |
| Prunus andersonii | Desert Peach | 2 | 2 |
| Prunus armeniaca mandschurica | Manchurian apricot | 4 | 3 |
| Prunus avium | Wild Cherry, Sweet cherry | 4 | 2 |
| Prunus cerasoides | Wild Himalayan Cherry | 2 | 2 |
| Prunus cerasus | Sour Cherry | 1 | 2 |
| Prunus mume | Japanese Apricot, Japanese Flowering, Apricot | 3 | 3 |
| Prunus pensylvanica | Pin Cherry | 2 | 2 |
| Prunus persica | Peach, Flowering Peach, Ornamental Peach, Common Peach | 5 | 3 |
| Prunus persica nucipersica | Nectarine | 4 | 3 |
| Prunus serotina | Rum Cherry - Wild Cherry, Black Cherry, Wild Black Cherry | 4 | 2 |
| Prunus spinosa | Sloe - Blackthorn | 3 | 2 |
| Prunus virginiana | Chokecherry, Western chokecherry, Black chokecherry | 3 | 2 |
| Prunus virginiana demissa | Western Chokecherry | 3 | 2 |
| Prunus virginiana melanocarpa | Rocky Mountain Chokecherry | 3 | 2 |
| Pseudognaphalium obtusifolium | White Balsam, Rabbit-tobacco | 0 | 2 |
| Pseudowintera axillaris | Heropito | 0 | 1 |
| Psidium cattleianum | Strawberry Guava | 3 | 3 |
| Psidium guajava | Guava, Tropical Guava, Goiaba, Araçá-goiaba | 5 | 2 |
| Psoralea corylifolia | Bu Gu Zhi | 1 | 4 |
| Psoralea glandulosa | Culen | 3 | 1 |
| Pterocarpus angolensis | Ambila | 0 | 3 |
| Pterocarpus dalbergioides | Andaman padauk, East Indian-mahogany, | 2 | 2 |
| Pterocarpus erinaceus | African Kino | 0 | 3 |
| Pterocarpus indicus | Amboyna, Indian Padauk, Burmese Rosewood, Narra, Bloodwood | 2 | 2 |
| Pterocarpus soyauxii | African Coralwood | 2 | 2 |
| Pterocarya stenoptera | Chinese wingnut | 0 | 2 |
| Pueraria pseudohirsuta | Tropical kudzu | 3 | 3 |
| Pulicaria dysenterica | Fleabane, Meadow false fleabane | 0 | 1 |
| Pulmonaria officinalis | Lungwort, Common lungwort, Jerusalem Sage, Jerusalem Cowslip | 2 | 3 |
| Pulsatilla cernua | | 1 | 2 |
| Punica granatum | Pomegranate, Dwarf Pomegranate | 4 | 4 |
| Pyracantha crenulata | Nepalese White Thorn, Nepalese firethorn | 1 | 1 |
| Pyrola chlorantha | Green-Flowered Wintergreen | 0 | 1 |
| Pyrola minor | Wintergreen, Snowline wintergreen | 1 | 1 |
| Pyrola rotundifolia | Round-Leaved Wintergreen | 0 | 2 |
| Pyrus communis | Wild Pear, Common pear | 2 | 1 |
| Pyrus pashia | Indian Wild Pear | 3 | 1 |
| Pyrus pyrifolia | Sand Pear, Chinese pear | 4 | 1 |
| Pyrus pyrifolia culta | Asian Pear | 4 | 1 |
| Quassia amara | Bitterwood, Amargo Bark | 2 | 4 |
| Quercus acuta | Japanese Evergreen Oak | 2 | 2 |
| Quercus acutissima | Sawthorn Oak | 2 | 2 |
| Quercus agrifolia | Encina, California live oak, Coast Live Oak | 3 | 2 |
| Quercus alba | White Oak, Hybrid oak | 3 | 2 |
| Quercus aliena | Oriental White Oak | 2 | 2 |
| Quercus aucheri | Boz-Pirnal Oak | 4 | 2 |
| Quercus bicolor | Swamp White Oak | 4 | 2 |
| Quercus brantii | Barro, Brant's oak | 3 | 2 |
| Quercus cerris | Turkey Oak, European turkey oak | 3 | 2 |
| Quercus chrysolepis | Live Oak, Canyon live oak | 2 | 2 |
| Quercus coccifera | Kermes Oak | 3 | 2 |
| Quercus coccinea | Scarlet Oak | 2 | 2 |
| Quercus dentata | Japanese Emperor Oak, Daimyo oak | 2 | 2 |
| Quercus douglasii | Blue Oak | 3 | 2 |
| Quercus durata | California Scrub Oak, Leather oak | 2 | 2 |
| Quercus ellipsoidalis | Northern Pin Oak | 2 | 2 |
| Quercus emoryi | Black Oak, Emory oak | 3 | 2 |
| Quercus engelmannii | Evergreen Oak, Engelmann oak, Mesa Oak | 2 | 2 |
| Quercus falcata | Southern Red Oak, Cherrybark Oak, Spanish Oak, Southern Red Oak | 1 | 2 |
| Quercus floribunda | | 2 | 2 |
| Quercus frainetto | Hungarian Oak, Italian Oak, Forest Green Oak | 4 | 2 |
| Quercus fruticosa | Gall Oak, Lusitanian Oak | 3 | 2 |
| Quercus gambelii | Shin Oak, Gambel oak, Rocky Mountain White Oak | 3 | 2 |
| Quercus garryana | Oregon White Oak, Garry Oak | 2 | 2 |
| Quercus glauca | Ring-cup oak , Ring Cupped Oak, Blue Japanese Oak | 3 | 2 |
| Quercus hispanica | | 3 | 2 |
| Quercus ilex | Holly Oak, Evergreen Oak | 5 | 2 |
| Quercus ilex ballota | Holm Oak | 5 | 2 |
| Quercus imbricaria | Shingle Oak, Northern Laurel Oak | 2 | 2 |
| Quercus infectoria | Aleppo Oak, Oak | 2 | 2 |
| Quercus ithaburensis macrolepis | Valonia Oak | 4 | 2 |
| Quercus kelloggii | Californian Black Oak, Black Oak | 3 | 2 |
| Quercus laevis | American Turkey Oak, Turkey oak | 2 | 2 |
| Quercus lamellosa | Bull Oak | 3 | 2 |
| Quercus leucotrichophora | | 2 | 2 |
| Quercus libani | Lebanon Oak | 2 | 2 |
| Quercus lineata | | 2 | 2 |
| Quercus lobata | Californian White Oak, Valley oak | 2 | 2 |
| Quercus lyrata | Overcup Oak | 3 | 2 |
| Quercus macrocarpa | Burr Oak, Mossy Cup Oak | 3 | 2 |
| Quercus marilandica | Blackjack Oak | 2 | 2 |
| Quercus michauxii | Swamp Chestnut Oak | 2 | 2 |
| Quercus mongolica | Mongolian oak | 2 | 2 |
| Quercus mongolica grosseserrata | | 2 | 2 |
| Quercus muehlenbergii | Yellow Chestnut Oak, Chinkapin oak | 3 | 2 |
| Quercus myrsinaefolia | | 2 | 2 |
| Quercus nigra | Water Oak | 2 | 2 |
| Quercus oblongifolia | Mexican Blue Oak | 3 | 2 |
| Quercus palustris | Pin Oak, Swamp Oak | 3 | 2 |
| Quercus petraea | Sessile Oak, Durmast oak | 2 | 3 |
| Quercus phellos | Willow Oak | 2 | 2 |
| Quercus phillyreoides | Black ridge oak, | 3 | 2 |
| Quercus prinoides | Dwarf Chinkapin Oak | 2 | 2 |
| Quercus prinus | Rock Chestnut Oak | 4 | 2 |
| Quercus pubescens | Downy Oak | 2 | 2 |
| Quercus pungens | Sandpaper Oak, Pungent oak | 2 | 2 |
| Quercus robur | Pedunculate Oak, English oak | 4 | 3 |
| Quercus rubra | Red Oak, Northern red oak | 3 | 2 |
| Quercus semecarpifolia | | 2 | 2 |
| Quercus serrata | Bao li | 2 | 2 |
| Quercus shumardii | Shumard Oak, Schneck oak | 2 | 2 |
| Quercus stellata | Post Oak | 3 | 2 |
| Quercus suber | Cork Oak | 2 | 2 |
| Quercus suber occidentalis | Cork Oak | 2 | 2 |
| Quercus undulata | Wavyleaf Oak | 2 | 2 |
| Quercus variabilis | Chinese Cork Oak | 2 | 2 |
| Quercus velutina | Black Oak | 2 | 3 |
| Quercus virginiana | Live Oak | 3 | 2 |
| Quercus wislizenii | Live Oak | 3 | 2 |
| Quercus x bebbiana | | 3 | 2 |
| Ranunculus ficaria | Lesser Celandine - Pilewort, Fig buttercup | 1 | 2 |
| Raphanus sativus | Radish, Cultivated radish | 4 | 3 |
| Raphanus sativus caudatus | Rat-Tail Radish | 3 | 3 |
| Raphanus sativus niger | Oriental Radish | 4 | 3 |
| Raphanus sativus oleiformis | Fodder Radish | 3 | 3 |
| Rheum nobile | Sikkim Rhubarb | 3 | 2 |
| Rheum officinale | Chinese Rhubarb | 1 | 3 |
| Rheum palmatum | Turkey Rhubarb, Chinese Rhubarb - Da Huang, Chinese rhubarb | 3 | 5 |
| Rheum palmatum tanguticum | Da Huang | 3 | 5 |
| Rheum rhaponticum | Rhubarb, Garden rhubarb | 2 | 3 |
| Rheum x cultorum | Rhubarb | 4 | 3 |
| Rhododendron arboreum | | 1 | 2 |
| Rhus aromatica | Lemon Sumach, Fragrant sumac | 4 | 2 |
| Rhus chinensis | Chinese Gall, Chinese sumac | 2 | 3 |
| Rhus copallina | Dwarf Sumach, Winged sumac, Flameleaf Sumac, Winged Sumac, Shining Sumac | 4 | 2 |
| Rhus coriaria | Elm-Leaved Sumach, Sicilian sumac | 2 | 1 |
| Rhus glabra | Smooth Sumach | 4 | 3 |
| Rhus potaninii | | 0 | 2 |
| Rhus punjabensis | | 3 | 2 |
| Rhus punjabensis sinica | | 3 | 2 |
| Rhus trilobata | Skunk Bush, Basketbush, Squawbush, Three Leaf Sumac | 4 | 2 |
| Rhus typhina | Stag's Horn Sumach, Velvet Sumac, Staghorn Sumac | 4 | 2 |
| Rhus x pulvinata | | 4 | 2 |
| Ribes cereum | Wax Currant | 2 | 1 |
| Ribes himalense | | 3 | 1 |
| Ribes lobbii | Gummy Gooseberry | 1 | 1 |
| Ribes rotundifolium | Appalachian Gooseberry | 3 | 1 |
| Ribes uva-crispa | Gooseberry, European gooseberry | 5 | 1 |
| Rosa acicularis | Prickly Rose | 2 | 2 |
| Rosa banksiae | Banksia Rose | 2 | 1 |
| Rosa canina | Dog Rose | 3 | 3 |
| Rosa centifolia | Provence Rose, Cabbage rose | 2 | 2 |
| Rosa gallica | French Rose | 2 | 2 |
| Rosa laevigata | Cherokee Rose | 2 | 3 |
| Rosa multiflora | Japanese Rose, Multiflora rose | 2 | 2 |
| Rosa nutkana | Nootka Rose, Bristly Nootka rose | 3 | 2 |
| Rosa pisocarpa | Cluster Rose, Ahart's cluster rose | 2 | 2 |
| Rosa roxburghii | Sweet Chestnut Rose, Chestnut rose | 2 | 1 |
| Rosa rubiginosa | Sweet Briar, Sweetbriar rose | 2 | 3 |
| Rosa woodsii | Western Wild Rose, Woods' rose, Tehachapi rose | 2 | 2 |
| Rosa x damascena | Damask Rose | 2 | 1 |
| Rosmarinus officinalis | Rosemary | 3 | 3 |
| Rubia cordifolia | Indian Madder | 2 | 3 |
| Rubia manjith | Indian Madder | 1 | 2 |
| Rubia tinctorum | Madder, Dyer's madder | 0 | 2 |
| Rubus acaulis | Dwarf Raspberry | 3 | 1 |
| Rubus allegheniensis | Alleghany Blackberry, Graves' blackberry | 3 | 2 |
| Rubus argutus | Highbush Blackberry, Sawtooth blackberry | 2 | 1 |
| Rubus canadensis | American Dewberry, Smooth blackberry | 4 | 1 |
| Rubus coreanus | Korean Bramble | 1 | 2 |
| Rubus ellipticus | Golden Evergreen Raspberry, Yellow Himalayan raspberry | 4 | 2 |
| Rubus flagellaris | Northern Dewberry | 3 | 1 |
| Rubus fruticosus | Blackberry, Shrubby blackberry | 5 | 3 |
| Rubus hispidus | Swamp Dewberry, Bristly dewberry | 2 | 2 |
| Rubus ichangensis | | 3 | 1 |
| Rubus idaeus | Raspberry, American red raspberry, Grayleaf red raspberry | 5 | 3 |
| Rubus leucodermis | Whitebark Raspberry | 4 | 1 |
| Rubus moluccanus | Ceylon Blackberry, Eelkek | 1 | 1 |
| Rubus occidentalis | Black Raspberry | 4 | 2 |
| Rubus odoratus | Thimbleberry, Purpleflowering raspberry | 3 | 2 |
| Rubus parviflorus | Thimbleberry | 3 | 3 |
| Rubus parvifolius | Japanese Raspberry | 3 | 1 |
| Rubus pubescens | Dwarf Red Blackberry | 2 | 1 |
| Rubus saxatilis | Stone Bramble | 2 | 1 |
| Rubus spectabilis | Salmonberry | 3 | 2 |
| Rubus strigosus | American Red Raspberry, Grayleaf red raspberry | 3 | 3 |
| Rubus tephrodes | | 2 | 2 |
| Rubus trivialis | Southern Dewberry | 4 | 1 |
| Rubus ursinus | Pacific Dewberry, California blackberry | 3 | 2 |
| Rubus villosus | Low-Running Blackberry | 3 | 2 |
| Rumex acetosa | Sorrel, Garden sorrel | 5 | 3 |
| Rumex acetosella | Sheeps Sorrel, Common sheep sorrel | 4 | 3 |
| Rumex alpinus | Alpine Dock, Munk's rhubarb | 4 | 2 |
| Rumex aquaticus | Red Dock, Western dock | 1 | 3 |
| Rumex arcticus | Arctic Dock | 2 | 1 |
| Rumex conglomeratus | Sharp Dock, Clustered dock | 1 | 2 |
| Rumex crispus | Curled Dock, Curly dock | 2 | 3 |
| Rumex dentatus | toothed dock | 1 | 1 |
| Rumex hastatus | | 2 | 2 |
| Rumex hydrolapathum | Great Water Dock | 1 | 1 |
| Rumex hymenosepalus | Canaigre, Canaigre dock | 2 | 2 |
| Rumex longifolius | dooryard dock | 1 | 1 |
| Rumex maritimus | Golden Dock | 1 | 2 |
| Rumex mexicanus | Mexican Dock | 1 | 2 |
| Rumex obtusifolius | Round-Leaved Dock, Bitter dock | 1 | 2 |
| Rumex occidentalis | Western Dock | 1 | 1 |
| Rumex salicifolius | Willow Dock, Toothed willow dock, Lake willow dock, Mexican dock | 1 | 2 |
| Rumex sanguineus | Red-Veined Dock, Redvein dock, Sorrel, Bloody Dock | 2 | 1 |
| Rumex scutatus | Buckler-Leaved Sorrel, French sorrel | 4 | 1 |
| Rumex venosus | Sour Greens, Veiny dock | 1 | 2 |
| Rumex vesicarius | Bladder Dock | 2 | 2 |
| Salix alba | White Willow | 1 | 3 |
| Salix alba caerulea | Cricket Bat Willow | 1 | 3 |
| Salix alba vitellina | Golden Willow | 1 | 3 |
| Salix amygdaloides | Peach Leaved Willow | 0 | 2 |
| Salix babylonica | Weeping Willow, Babylon Weeping Willow | 1 | 3 |
| Salix bebbiana | Beak Willow, Bebb Willow | 0 | 2 |
| Salix caprea | Goat Willow, Kilmarnock Willow, Pink Pussy Willow, Pussy Willow | 1 | 2 |
| Salix exigua | Coyote Willow, Narrowleaf willow | 1 | 2 |
| Salix fragilis | Crack Willow | 1 | 3 |
| Salix gooddingii | Goodding's Willow | 1 | 2 |
| Salix lasiolepis | Arroyo willow, Bigelow's willow | 0 | 2 |
| Salix lucida | Shining Willow, Greenleaf willow | 0 | 2 |
| Salix nigra | Black Willow | 1 | 3 |
| Salix purpurea | Purple Osier. purpleosier willow | 1 | 3 |
| Salix purpurea lambertiana | Purple Osier | 1 | 3 |
| Salix scouleriana | Scouler's Willow | 0 | 2 |
| Salvia fruticosa | Greek Sage, Greek oregano | 2 | 3 |
| Salvia lanata | | 1 | 1 |
| Salvia lavandulifolia | Spanish Sage | 2 | 3 |
| Salvia moorcroftiana | | 1 | 1 |
| Salvia multiorrhiza | Dan Shen | 0 | 3 |
| Salvia officinalis | Sage, Kitchen sage, Small Leaf Sage, Garden Sage | 4 | 5 |
| Salvia plebeia | | 1 | 1 |
| Salvia sclarea | Clary, Europe sage, Clary Sage | 2 | 2 |
| Sambucus caerulea | Blue Elder | 4 | 2 |
| Sambucus melanocarpa | Black Elder, Rocky Mountain elder | 2 | 2 |
| Sanguisorba menziesii | Menzies' burnet | 1 | 1 |
| Sanguisorba minor | Salad Burnet, Small burnet | 4 | 2 |
| Sanguisorba officinalis | Great Burnet | 2 | 3 |
| Sanguisorba stipulata | | 1 | 1 |
| Sanicula europaea | Wood Sanicle | 1 | 2 |
| Sanicula marylandica | Maryland Sanicle | 0 | 2 |
| Sapindus saponaria | Soapberry, Wild Chinaberry, Florida Soap Berry, Soap Nut, Soap Tree | 0 | 2 |
| Sarcobatus vermiculatus | Greasewood | 2 | 1 |
| Schisandra chinensis | Magnolia Vine, Wu Wei Zi | 4 | 5 |
| Schisandra sphenanthera | | 2 | 5 |
| Schleichera oleosa | Malay Lac Tree. Lac tree, Ceylon oak | 3 | 2 |
| Scirpus lacustris | Bulrush | 3 | 1 |
| Scirpus maritimus | Seaside Bulrush. Cosmopolitan Bulrush | 3 | 1 |
| Scirpus validus | River Club-Rush | 2 | 1 |
| Scirpus validus creber | Soft-Stem Bulrush | 2 | 1 |
| Scutellaria baicalensis | Baikal Skullcap - Huang-Qin | 1 | 3 |
| Scutellaria galericulata | Common Skullcap, Marsh skullcap | 0 | 3 |
| Scutellaria lateriflora | Virginian Skullcap, Blue skullcap | 0 | 3 |
| Sedum acre | Common Stonecrop, Goldmoss stonecrop, Gold Moss Sedum | 1 | 2 |
| Sedum telephium | Orpine | 1 | 2 |
| Selaginella tamariscina | | 1 | 2 |
| Sempervivum tectorum | Houseleek, Common houseleek, Hen and Chickens | 2 | 3 |
| Senecio jacobaea | Ragwort, Stinking willie | 0 | 2 |
| Senegalia catechu | Black Catechu | 2 | 3 |
| Senegalia senegal | Gum Arabic | 3 | 2 |
| Senna singueana | Winter cassia, Sticky pod | 2 | 3 |
| Serratula tinctoria | Saw-Wort, Dyer's plumeless saw-wort | 1 | 1 |
| Sesamum indicum | Sesame | 3 | 3 |
| Sesbania bispinosa | Prickly Sesban | 2 | 2 |
| Sesbania grandiflora | Vegetable Hummingbird, Agati, | 3 | 2 |
| Setaria italica | Foxtail Millet | 4 | 2 |
| Shorea siamensis | Dark red meranti, Light red meranti, Red lauan | 0 | 2 |
| Silybum marianum | Milk Thistle, Blessed milkthistle | 3 | 5 |
| Simarouba amara | Paradise tree, bitterwood | 3 | 4 |
| Simarouba glauca | Paradise Tree, Bitterwood, Dysentery-bark | 3 | 4 |
| Sisymbrium altissimum | Tumble Mustard, Tall tumblemustard | 1 | 1 |
| Smilax laurifolia | Laurel Greenbrier | 3 | 2 |
| Solanum melongena | Aubergine, Eggplant | 3 | 2 |
| Solanum triflorum | Cutleaf Nightshade | 2 | 1 |
| Solidago gigantea | Giant Goldenrod | 0 | 2 |
| Solidago odora | Sweet Goldenrod, Anisescented goldenrod, Chapman's goldenrod | 2 | 2 |
| Solidago rigida | Stiff Goldenrod, Flat Topped Goldenrod, Stiff Goldenrod | 0 | 2 |
| Solidago virgaurea | Goldenrod | 1 | 3 |
| Sophora flavescens | Ku Shen, Shrubby sophora | 0 | 3 |
| Sorbus americana | American Mountain Ash | 1 | 2 |
| Sorbus aucuparia | Mountain Ash, European mountain ash | 2 | 2 |
| Sorghum bicolor | Sorghum, Common wild sorghum, Grain sorghum, Sudangrass | 4 | 2 |
| Spiraea salicifolia | Bridewort, Willowleaf meadowsweet | 1 | 1 |
| Spiraea tomentosa | Hardhack, Steeplebush | 0 | 2 |
| Stachys baicalensis | | 1 | 2 |
| Stachys hyssopifolia ambigua | hyssopleaf hedgenettle | 1 | 1 |
| Stachys officinalis | Wood Betony, Common hedgenettle, Betony, Woundwort | 1 | 2 |
| Stellaria media | Chickweed, Common chickweed | 3 | 3 |
| Swietenia macrophylla | Big Leaf Mahogany, Honduras Mahogany | 0 | 2 |
| Swietenia mahagoni | Mahogany, West Indies Mahogany | 0 | 2 |
| Symphytum asperum | Prickly Comfrey | 3 | 2 |
| Symphytum officinale | Comfrey, Common comfrey | 3 | 5 |
| Symphytum uplandicum | Comfrey | 3 | 5 |
| Symplocos paniculata | Asiatic Sweetleaf, Sapphire-berry | 1 | 2 |
| Syzygium cumini | Jambolan, Java Plum, Malabar Plum, Jambu | 3 | 3 |
| Syzygium jambos | Jambos, Rose Apple, Plum Rose | 3 | 2 |
| Tamarindus indica | Tamarind | 4 | 3 |
| Tamarix anglica | English Tree | 1 | 1 |
| Tamarix aphylla | Athel Tamarisk | 1 | 1 |
| Tamarix gallica | Manna Plant, French tamarisk | 1 | 2 |
| Tanacetum balsamita | Alecost, Costmary | 3 | 2 |
| Tectona grandis | Teak | 2 | 2 |
| Terminalia catappa | Indian Almond, Tropical Almond Tree | 4 | 2 |
| Terminalia chebula | Black Myrobalan, Chebulic Myroblan, | 3 | 5 |
| Terminalia superba | Shinglewood | 0 | 2 |
| Ternstroemia japonica | | 0 | 1 |
| Teucrium chamaedrys | Wall Germander, Germander | 1 | 2 |
| Teucrium marum | Cat Thyme | 0 | 2 |
| Teucrium scorodonia | Wood Sage | 1 | 2 |
| Thladiantha dubia | Red Hailstone, Manchu tubergourd | 1 | 2 |
| Thuja occidentalis | American Arbor-Vitae, Arborvitae, Eastern Arborvitae, Siberian Arborvitae, Northern White Cedar, Wh | 2 | 3 |
| Thuja orientalis | Biota | 1 | 3 |
| Thuja plicata | Western Red Cedar, Giant Arborvitae, Giant Cedar, Incense Cedar, Western Red Cedar | 1 | 2 |
| Toona ciliata | Mountain Cedar, Australian Red Cedar, Toona | 2 | 2 |
| Toona sinensis | Chinese Cedar | 3 | 2 |
| Toona sureni | Suren | 2 | 2 |
| Trachycarpus fortunei | Chusan Palm, Chinese windmill palm, Windmill Palm | 2 | 2 |
| Trachycarpus martianus | | 2 | 2 |
| Tragopogon pratensis | Goat's Beard | 3 | 2 |
| Trapa bicornis | Ling, Horn nut | 4 | 1 |
| Trichosanthes multiloba | | 2 | 1 |
| Trigonella corniculata | cultivated fenugreek | 1 | 1 |
| Trillium erectum | Beth Root - Indian Balm, Red trillium, Wakerobin, Purple Trillium | 2 | 3 |
| Trillium pendulum | | 0 | 1 |
| Tsuga canadensis | Canadian Hemlock, Eastern hemlock | 1 | 3 |
| Tsuga caroliniana | Carolina Hemlock | 1 | 2 |
| Tsuga chinensis | Chinese Hemlock | 1 | 2 |
| Tsuga heterophylla | Western Hemlock | 1 | 2 |
| Tsuga mertensiana | Mountain Hemlock | 1 | 2 |
| Tussilago farfara | Coltsfoot | 3 | 3 |
| Typha domingensis | Southern Cattail | 4 | 3 |
| Typha elephantina | Bora. Elephant grass, Indian reed-mace. | 3 | 3 |
| Typha latifolia | Reedmace, Broadleaf cattail, Bullrush, Nailrod | 5 | 3 |
| Typha laxmannii | | 4 | 1 |
| Typha orientalis | Broadleaf Cumbungi | 4 | 3 |
| Ulmus americana | American Elm, Gray Elm, Water Elm | 2 | 2 |
| Ulmus glabra | Wych Elm, Table-top Scotch Elm, Scotch Elm | 3 | 2 |
| Ulmus macrocarpa | | 2 | 1 |
| Ulmus procera | English Elm | 3 | 2 |
| Uncaria guianensis | Cat's Claw | 2 | 4 |
| Uncaria tomentosa | Cat's Claw | 2 | 4 |
| Urtica dioica | Stinging Nettle, California nettle | 5 | 5 |
| Urtica pilulifera | Roman Nettle | 3 | 3 |
| Urtica urens | Annual Nettle | 3 | 3 |
| Vaccinium arboreum | Farkleberry | 2 | 1 |
| Vaccinium caespitosum | Dwarf Bilberry | 3 | 1 |
| Vaccinium corymbosum | High-Bush Blueberry, American Blueberry, Swamp Blueberry, Blueberry | 4 | 1 |
| Vaccinium membranaceum | Mountain Huckleberry, Thinleaf huckleberry | 3 | 1 |
| Vaccinium myrtillus | Bilberry, Whortleberry | 4 | 3 |
| Vaccinium ovalifolium | Black Huckleberry, Oval-leaf blueberry | 3 | 1 |
| Vaccinium ovatum | Evergreen Huckleberry, Florist's Huckleberry, Shot Huckleberry, Californian Huckleberry | 3 | 1 |
| Vaccinium parvifolium | Red Bilberry, Red huckleberry | 3 | 1 |
| Vaccinium scoparium | Grouseberry, Grouse whortleberry | 2 | 1 |
| Vaccinium uliginosum | Bog Bilberry | 3 | 1 |
| Vaccinium vitis-idaea | Cowberry, Lingonberry, Northern mountain cranberry, Cranberry | 3 | 2 |
| Vachellia nilotica | Gum Arabic Tree | 2 | 2 |
| Vateria indica | White Dammar | 3 | 2 |
| Verbascum densiflorum | Mullein | 0 | 2 |
| Verbascum thapsus | Great Mullein, Common mullein, Aaron's Rod, Flannel Plant, Hag Taper, Mullein, Torches, Velvet Plant | 1 | 3 |
| Verbena officinalis | Vervain, Herb of the cross, Prostrate verbena | 1 | 3 |
| Veronica officinalis | Common Speedwell | 1 | 2 |
| Veronica undulata | Undulate speedwell | 1 | 1 |
| Viburnum dilatatum | Linden Viburnum, Linden arrowwood | 3 | 1 |
| Viburnum edule | Mooseberry, Squashberry | 3 | 1 |
| Viburnum opulus | Guelder Rose, Cramp Bark, European cranberrybush, American cranberrybush, Crampbark, European Highb | 3 | 3 |
| Viburnum prunifolium | Stagberry, Black Haw, Hybrid blackhaw, Smooth Blackhaw, Blackhaw Viburnum | 2 | 3 |
| Vigna mungo | Black Gram, Urd Bean, Black Matpe, Black Mung Bean | 4 | 2 |
| Vinca major | Greater Periwinkle, Bigleaf periwinkle, Myrtle, Large Periwinkle, Big Periwinkle | 0 | 3 |
| Vinca minor | Lesser Periwinkle, Flower of Death, English Holly, Creeping Myrtle, Creeping Vinca, Common Periwink | 0 | 3 |
| Vitex cannabifolia | | 0 | 2 |
| Vitex negundo | Huang Ping, Chinese chastetree, Cut Leaf Vitex, Cut-leaf Chastetree | 2 | 3 |
| Vitis vinifera | Grape, Wine grape, Purpleleaf Grape, Common Grape | 5 | 2 |
| Withania somnifera | Ashwagandha - Indian Ginseng, Withania | 1 | 4 |
| Woodfordia fruticosa | Fire-flame bush | 2 | 2 |
| Woodwardia radicans | Chain Fern, Rooting chainfern | 0 | 1 |
| Xanthorhiza simplicissima | Yellowroot | 0 | 2 |
| Zanthoxylum bungeanum | | 2 | 3 |
| Zanthoxylum simulans | Szechuan Pepper, Chinese-pepper, Prickly Ash | 3 | 2 |
| Ziziphus jujuba | Jujube | 4 | 3 |