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Your Online Guide To Buying Plants
F - O
Botanical names to Common names- F to O
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A to B
• C to
E • F
to O • P
to Z
| Fabiana | imbricata | Pichi |
| Fagopyrum | esculentum | Buckwheat |
| Fagopyrum | tataricum | Tartarian Buckwheat |
| Fagus | sylvatica | Beech |
| Fagus | sylvatica var. purpurea | Copper-Beech |
| Fallopia | convolvulus | Black bindweed |
| Fallugia | paradoxa | Apache plume |
| Fatsia | papyrifera: | Rice-paper tree |
| Fedia | cornucopiae | African Valerian |
| Feijoa | Pineapple Guava | |
| Feijoa | sellowiana | Pineapple Guava |
| Felicia | bergeriana | Kingfisher Daisy |
| Ferocactus | Barrel Cactus | |
| Ferocactus | wislizenii | Fish-hook Barrel |
| Feronia | elephantum | Wood Apple |
| Ferula | communis | African Ammoniacum |
| Ferula | asafoetida | Asafetida |
| Ferula | galbaniflua | Galbanum |
| Ferula | suaveolens | Sambul Root |
| Ferula | sumbul | Sumbul |
| Ferula | hermonic | Zalou Root |
| Festuca | glauca | Blue Fescue |
| Festuca | ovina var. glauca | Blue Fescue |
| Festuca | Fescue | |
| Festuca | gigantea | Giant Green Fescue |
| Festuca | amethystina | Hair Fescue |
| Festuca | ovina | Sheep's Fescue |
| Festuca | valesiaca glaucantha | Wallis Fescue |
| Fibichia | umbellata | Dog's-tooth Grass |
| Ficus | religiosa | Bo-tree |
| Ficus | carica | Common Fig |
| Ficus | benjamina | Fig |
| Ficus | lyrata | Fig |
| Ficus | pumila | Fig |
| Ficus | radicans | Fig |
| Ficus | elastica | Indian Rubber Tree |
| Ficus | sycamorus | Sycamore Fig |
| Filipendula | hexapetala | Dropwort |
| Filipendula | Meadowsweet | |
| Filipendula | ulmaria | Meadowsweet |
| Filipendula | rubra | Queen of The Prairie |
| Flemingia | congesta | Wurrus |
| Foeniculum | vulgare var. dulce 'Rubrum' | Bronze Fennel |
| Foeniculum | officinale: | Fennel |
| Foeniculum | vulgare | Fennel |
| Foeniculum | vulgare var. azoricum | Florence Fennel |
| Foeniculum | vulgare var. dulce | Florence Fennel |
| Foeniculum | vulgare var. giganteum | Giant Fennel |
| Forsythia | x intermedia | Common Forsythia |
| Forsythia | suspensa | Weeping golden bell |
| Fouquieria | splendens | Ocotillo |
| Fragaria | vesca var. semperflorens | Alpine Strawberries |
| Fragaria | moschata | Hautbois Strawberry |
| Fragaria | Strawberry | |
| Fragaria | virginiana | Strawberry |
| Fragaria | vesca | Wild Strawberry |
| Fragaria | viridis | Wild Strawberry |
| Franciscea | uniflora | Manaca |
| Frankenia | grandifloria | Yerba Reuma |
| Franklinia | alatamaha | Franklinia |
| Frasera | carolinensis | American Columbo |
| Fraxinella | dictamnus: | Dittany |
| Fraxinus | americana | American White Ash |
| Fraxinus | excelsior | Ash |
| Fraxinus | nigra | Black Swamp Ash |
| Fraxinus | lanceolata | Green Ash |
| Fraxinus | pennsylvanica | Green Ash |
| Fraxinus | latifolia | Oregon ash |
| Fraxinus | ornus | The Manna Ash |
| Fremontia | californica | Californian Slippery Elm |
| Fritillaria | lanceolata | Chocolate lily |
| Fritillaria | meleagris | Common Fritillary |
| Fritillaria | imperialis | Crown Imperial Lily |
| Fritillaria | camschatcensis | Northern rice root |
| Fucus | serratus | Black Wrack |
| Fucus | vesiculosus | Bladderwrack |
| Fucus | amylaceus | Ceylon Moss |
| Fucus | helminthocorton | Corsican Moss |
| Fucus | natans | Gulf-Weed |
| Fucus | nodosus | Knobbed Wrack |
| Fucus | canaliculatus | Wrack |
| Fucus | siliquosus | Wrack |
| Fumaria | indica | American Fumitory |
| Fumaria | officinalis | Fumitory |
| Funkia | sp.: | Plantain Lily |
| Gaillardia | aristata | Blanket Flower |
| Gaillardia | pulchella | Blanket Flower |
| Galanthus | elwesii | Giant Snowdrop |
| Galanthus | ikariae | Snowdrop |
| Galanthus | nivalis | Snowdrop |
| Galanthus | plicatus | Snowdrop |
| Galega | officinalis | Goat's Rue |
| Galeopsis | tetrahit | Hemp Nettle |
| Galium | Bedstraw | |
| Galium | aparine | Cleavers |
| Galium | cruciatum | Crosswort |
| Galium | molugo | Hedge Bedstraw |
| Galium | verum | Lady's Bedstraw |
| Galium | odoratum | Sweet Woodruff |
| Galtonia | candicans | Giant Summer Hyacinth |
| Ganoderma | lucidum | Reishi Mushroom |
| Garania | mangostana | Mangosteen Fruit |
| Garcinia | hanburyii | Gamboge |
| Garcinia | morella | Indian Gamboge |
| Garcinia | kola | Male Kola |
| Gardenia | jasminoides | Cape Jasmine |
| Gardenia | florida | Gardenia |
| Gardenia | grandiflora Sieb. et Zucc. | Gardenia |
| Gardenia | jasminoides Ellis: | Gardenia |
| Gardenia | maruba: | Gardenia |
| Gardenia | pictorum: | Gardenia |
| Gardenia | radicans: | Gardenia |
| Garrya | fremonti | Fever Bush |
| Garrya | elliptica | Silk-tassel |
| Gaultheria | humifusa | Alpine-wintergreen |
| Gaultheria | hispidula | Cancer Wintergreen |
| Gaultheria | shallon | Sallol |
| Gaultheria | ovatifolia | Western tea-berry |
| Gaultheria | procumbens | Wintergreen |
| Gelidium | amansii | Agar-agar |
| Gelsemium | nitidum | Gelsemium |
| Gelsemium | elegans | Gelsemium (Burma) |
| Genista | tinctoria | Dyer's Greenweed |
| Genista | aethnensis | Mount Etna Broom |
| Genista | hispanica | Spanish Gorse |
| Genista | Woad-waxen | |
| Gentiana | amarella | Autumn Gentian |
| Gentiana | andrewsii | Bottle Gentian |
| Gentiana | flavida | Cream Gentian |
| Gentiana | cruciata | Cross-leaved Gentian |
| Gentiana | puberula | Downy Gentian |
| Gentiana | campestris | Field Gentian |
| Gentiana | quinqueflora | Five-flowered Gentian |
| Gentiana | Gentian | |
| Gentiana | saponaria | Gentian (American) |
| Gentiana | pannonica | Gentian (Europe) |
| Gentiana | punctata | Gentian (Europe) |
| Gentiana | scabrae | Japanese Gentian |
| Gentiana | pneumonanthe | Marsh Gentian |
| Gentiana | purpurea | Purple Gentian |
| Gentiana | verna | Spring Gentian |
| Gentiana | acaulis var. angustifolia | Stemless Gentian |
| Gentiana | tibetica | Tibetan Gentian |
| Gentiana | acaulis | Trumpet Gentian |
| Gentiana | asclepiadea | Willow Gentian |
| Gentiana | lutea | Yellow Gentian |
| Geraea | canescens | desert sunflower |
| Geranium | sangiuneum | Bloody Cranesbill |
| Geranium | cinereum | Cranesbill |
| Geranium | dissectum | Cranesbill |
| Geranium | psilostemon | Cranesbill |
| Geranium | subcaulescens | Cranesbill |
| Geranium | macrorrhizum | Geranium |
| Geranium | robertianum | Herb Robert |
| Geranium | ibericum | Iberian Cranesbill |
| Geranium | palustre | Marsh cranesbill |
| Geranium | pratense | Meadow Cranesbill |
| Geranium | maculatum | Spotted Cranesbill |
| Geranium | sylvaticum | Wood Cranesbill |
| Gerardia | tenuifolia | Slender Gerardia |
| Gerbera | anandria | Ghostly Daisy |
| Geum | elatum | Avens |
| Geum | montanum | Avens |
| Geum | reptans | Avens |
| Geum | sylvaticum | Avens |
| Geum | urbanum | Avens |
| Geum | triflorum | Prairie Smoke |
| Geum | coccineum | Scarlet Avens |
| Geum | rivale | Water Avens |
| Geum | aleppicum var. strictum | Yellow Aven's |
| Gibasis | pellucida | Bridal veil |
| Gigartina | stellata | Carragheen Moss |
| Gigartina | speciosa | Swan River Agar-Agar |
| Gilia | tricolor | Bird's Eyes |
| Gilia | achilleifolia | Blue Gilia |
| Gilia | capitata | Queen Anne's Thimbles |
| Gilia | leptantha subsp. purpusii | Showy Blue Gilia |
| Gilia | rubra | Standing Cypress |
| Gillenia | trifoliata | Indian Physic |
| Ginkgo | biloba | Maidenhair Tree |
| Glaucium | flavum | Horned Poppy |
| Glechoma | hederacea | Ground Ivy |
| Glechoma | hederacea 'Variegata' | Variegated Ground Ivy |
| Gleditsia | Honey Locust | |
| Gleditsia | triacanthos | Honey Locust |
| Gleditsia | triacanthos var. inermis | Thornless Honeylocust |
| Glehnia | littoralis | Corkwing |
| Gliricidia | sepium | Mother of Cocoa |
| Gloriosa | rothschildiana | Glory Lily |
| Glyceria | fluitans | Floating Sweetgrass |
| Glyceria | aquatica | Reed Manna-grass |
| Glycine | max | Soybean |
| Glycyrrhiza | lepidota | American Liquorice |
| Glycyrrhiza | uralensis | Asian Liquorice |
| Glycyrrhiza | glabra | Liquorice |
| Glycyrrhiza | echinata | Russian Licorice |
| Glycyrrhiza | glandulifera | Russian Liquorice |
| Gnaphalium | cymosum | Branching Everlasting |
| Gnaphalium | Catfoot Everlasting | |
| Gnaphalium | uliginosum | everlasting |
| Gnaphalium | polycephalum | White Balsam |
| Gomphrena | Globe Amaranth | |
| Gomphrena | globosa | Globe Amaranth |
| Gomphrena | haageana | Globe Amaranth |
| Goniolimon | speciosum | Dwarf Statice |
| Goniolimon | tataricum | German Statice |
| Gonolobus | condurango | Condurango |
| Goodia | lotifolia | Golden Tip Clover Tree |
| Goodyera | oblongifolia | Rattlesnake-plantain |
| Gossypium | vitifolium | Cotton |
| Gossypium | herbaceum | Cotton Root |
| Gracillaria | lichenoides | Ceylon Agar-Agar |
| Graphalium | uliginosum | Cudweed |
| Gratiola | officinalis | Hedge Hyssop |
| Grevillea | banksii var. forsteri | Bank's Grevillea |
| Grevillea | aquifolium | Holly-leaved Grevillea |
| Grevillea | Spider Flower | |
| Grindelia | aphanactis | Desert Gumweed |
| Grindelia | camporum | Grindelia |
| Grindelia | robusta | Gumplant |
| Grindelia | integrifolia | Gumweed |
| Grindelia | nana | Low Gumweed |
| Guajacum | officinale | Guaiacum |
| Guarea | rusbyi | Cocillana Bark |
| Guina-guina | Guina-guina | |
| Gunnera | manicata | Giant Gunnera |
| Gutierrezia | sarothrae | Escoba de la vibora |
| Gymnocladus | dioica | Kentucky Coffee Tree |
| Gynocardia | odorata | False Gynocardia Oil |
| Gypsophila | elegans | Annual Baby's Breath |
| Gypsophila | Baby's Breath | |
| Gypsophila | repens | Creeping Baby's Breath |
| Gypsophila | struthium | Egyptian Soapwort Root |
| Gypsophila | oldhamiana | Manchurian Baby's Breath |
| Gypsophila | paniculata | Old-fashioned Baby's Brea |
| Gypsophila | pacifica | Pink Baby's Breath |
| Haematoxylon | campeachianum | Logwood |
| Hagenia | abyssinica | Kousso |
| Halesia | carolina | Carolina Silverbell |
| Halimione | portulacoides | Sea Purslane |
| Halimum | False Sun Rose | |
| Hamamelis | virginiana | Witch Hazel |
| Hammarbya | paludosa | Bog adder's-mouth orchid |
| Haronga | madagascariensis | Haronga Tree |
| Harpagophytum | procumbens | Devil's Claw |
| Hatiora | gaertneri | Christmas cactus |
| Hebe | speciosa var. variegata | New Zealand Speedwell |
| Hedeoma | pulegioides | American Pennyroyal |
| Hedera | helix | Common Ivy |
| Hedychium | coronarium | Butterfly ginger |
| Hedychium | gardnerianum | Kahili |
| Hedychium | flavescens | Yellow Ginger |
| Hedysarum | coronarium | French Honeysuckle |
| Hedysarum | Sweet Broom | |
| Heimia | salicifolia | Heimia |
| Helenium | Sneezeweed | |
| Helenium | autumnale | Sneezeweed |
| Helianthemum | nummularium mutabile | Rock Rose |
| Helianthemum | vulgare | Rock-rose |
| Helianthus | mollis | Downy Sunflower |
| Helianthus | tuberosus | Jerusalem Artichoke |
| Helianthus | maximiliani | Maximilian Sunflower |
| Helianthus | debilis | Polyheaded Sunflower |
| Helianthus | x laetiflorus | Showy Sunflower |
| Helianthus | Sunflower | |
| Helianthus | annuus | Sunflower |
| Helianthus | occidentalis | Western Sunflower |
| Helianthus | strumosus | Woodland Sunflower |
| Helichrysum | scorpioides | Curling Everlasting |
| Helichrysum | italicum | Curry Plant |
| Helichrysum | arenarium | Dwarf Everlasting |
| Helichrysum | stoechas | Eternal Flower |
| Helichrysum | Everlasting | |
| Helichrysum | subulifolium | Golden Sun Everlasting |
| Helichrysum | argyrophyllum | Moe's Gold |
| Helichrysum | cassinianum | Rose Beauty Everlasting |
| Helichrysum | thianshanicum | Silver Everlasting |
| Helichrysum | petiolare | Silver Licorice |
| Helichrysum | bracteatum | Strawflower |
| Helichrysum | bracteatum 'Monstrosum' | Strawflower |
| Heliconia | bihai | Bastard Plantain |
| Heliconia | bourgaeana | Purple Heliconia |
| Heliconia | caribaea | Wild Plantain |
| Heliopsis | helianthoides | Ox-eye Sunflower |
| Heliopsis | Sun Glory | |
| Heliotropium | arborescens | Fragrant Heliotrope |
| Heliotropium | Heliotrope | |
| Heliotropium | peruvianum | Heliotrope |
| Helipterum | roseum | Acroclinium |
| Helipterum | Everlastings | |
| Helipterum | humboldtianum | Humboldt's Sunray |
| Helipterum | manglesii | Rhodanthe |
| Helleborus | foetidus | Bearsfoot |
| Helleborus | niger | Black Hellebore |
| Helleborus | officinalis | Black Hellebore (Greek) |
| Helleborus | viridis | Green Hellebore |
| Helleborus | Hellebore | |
| Helmintha | echioides | Ox-tongue |
| Hemerocallis | Daylily | |
| Hemidesmus | indica | Indian Sarsaparilla |
| Hepatica | nobilis | American Liverwort |
| Heracleum | Cow Parsnip | |
| Heracleum | lanatum | Cow Parsnip |
| Heracleum | mantegazzianum | Giant Hogweed |
| Heracleum | sphondylium | Hogweed |
| Heracleum | dulce | Sweet Cow Parsnip |
| Hermodactylus | tuberosa | Snakeshead Iris |
| Herniaria | glabra | Rupturewort |
| Hesperaloe | parviflora | Red Yucca |
| Hesperis | matronalis | Garden Rocket |
| Hesperocallis | undulata | Ajo lily |
| Heterodendrum | oleifolium | Emu Bush |
| Heuchera | Alum Root | |
| Heuchera | glabra | Alum Root |
| Heuchera | micrantha | Alum Root |
| Heuchera | parvifolia | Alum Root |
| Heuchera | richardsonii | Alum Root |
| Heuchera | sanguinea | Coral Bells |
| Heuchera | maxima | Island Alum Root |
| Hevea | .. | Para Rubber |
| Hibiscus | huegelii: | Blue hibiscus |
| Hibiscus | rosa-sinensis | Chinese Hibiscus |
| Hibiscus | mutabilis | confederate rose |
| Hibiscus | trionum | Flower of An Hour |
| Hibiscus | esculentus | Gobo |
| Hibiscus | schizopetalus | Japanese Lantern |
| Hibiscus | tiliaceus | Mahoe |
| Hibiscus | moscheutos | Mallow Rose |
| Hibiscus | abelmoschus: | musk seed |
| Hibiscus | esculentus: | Okra |
| Hibiscus | acetosella | Red Leaved Hibiscus |
| Hibiscus | Rose Mallow | |
| Hibiscus | chinensis: | Rose of Sharon |
| Hibiscus | rhombifolius: | Rose of Sharon |
| Hibiscus | syriacus | Rose of Sharon |
| Hibiscus | sabdariffa | Roselle |
| Hieracium | canadense | Fireweed |
| Hieracium | aurantiacum | Grim-the-Collier |
| Hieracium | pilosella | Mouse-ear Hawkweed |
| Hieracium | murorum | Wall Hawkweed |
| Hieracium | sylvaticum | Wood Hawkweed |
| Hierochloe | odorata | Buffalo Grass |
| Hippeastrum | Amaryllis | |
| Hippeastrum | hybr. | Amaryllis |
| Hippomane | mancinella | Manzanillo |
| Hippophaë | rhamnoides | Sea Buckthorn |
| Hippuris | tetraphylla | four-leaved mare's tail |
| Hippuris | Mare's tail | |
| Hippuris | vulgaris | Mare's Tail |
| Hippuris | montana | mountain mare's tail |
| Hizikia | fusiforme | Hijiki |
| Holcus | mollis | Creeping Soft-grass |
| Holcus | lanatus | Yorkshire Fog |
| Holodiscus | discolor | Oceanspray |
| Hordeum | distichon | Barley |
| Hordeum | vulgare | Barley |
| Hordeum | jubatum | Squirrel Tail-grass |
| Hosta | Plantain Lily | |
| Hottonia | palustris | Water Violet |
| Houckenya | peploides | Ovate-leaved Sea Purslane |
| Houttuynia | cordata | Vap Ca |
| Hovenia | dulcis | Japanese raisin tree |
| Humulus | lupulus | Hop |
| Humulus | japonicus | Japanese Hop |
| Hunnemannia | fumariaefolia | Mexican Tulip Poppy |
| Hydnocarpus | anthelmintica | Chaulmoogra tree |
| Hydrangea | anomala | Climbing Hydrangea |
| Hydrangea | hortensis | Garden Hydrangea |
| Hydrangea | arborescens | Hydrangea |
| Hydrangea | macrophylla | Lace Cap Hydrangea |
| Hydrangea | quercifolia | Oak-leaved Hydrangea |
| Hydrastis | canadensis | Golden Seal |
| Hydrocotyle | vulgaris | Common Pennywort |
| Hydrocotyle | asiatica | Gotu Kola |
| Hydrophilia | spinosa | Hydrophilia |
| Hymenosporum | flavum | Wollum Wollum |
| Hyoscyamus | niger | Black henbane |
| Hyoscyamus | muticus | Egyptian Henbane |
| Hyoscyamus | albus | Russian Henbane |
| Hypericum | prolificum | Shrubby St. Johnswort |
| Hypericum | perforatum | St. John's Wort |
| Hyptis | emoryi | desert lavender |
| Hyssopus | Hyssop | |
| Hyssopus | officinalis | Hyssop |
| Hysteronica | baylahuen | Hysteronica |
| Iberis | amara | Bitter Candytuft |
| Iberis | sempervirens | Edging Candytuft |
| Iberis | gibraltarica | Gibraltar Candytuft |
| Iboza | riparia | Iboza |
| Ilex | vomitoria | Appalachian Holly |
| Ilex | cornuta | Chinese Holly |
| Ilex | dahoon | Dahoon Holly |
| Ilex | Holly | |
| Ilex | aquifolium | Holly |
| Ilex | gongonha | Holly (Brazil) |
| Ilex | theezans | Holly (Brazil) |
| Ilex | opaca | Holly Berry |
| Ilex | crenata | Japanese Holly |
| Ilex | paraguariensis | Paraguay Tea |
| Ilex | decidua | Possum Haw |
| Ilex | verticillata | Winterberry |
| Illicium | anisatum | Star Anise |
| Illicium | verum | Star Anise |
| Impatiens | balsamina | Garden Balsam |
| Impatiens | cornuta | Horned Balsam |
| Impatiens | wallerana | Impatiens |
| Impatiens | aurea | Pale Jewelweed |
| Impatiens | glandulifera | Red Jewelweed |
| Impatiens | capensis | Spotted Jewelweed |
| Impatiens | noli-tangere | Touch-me-not |
| Imperata | cylindrica | Woollygrass |
| Incarvillea | grandiflora: | Chinese trumpet-creeper |
| Indigofera | tinctoria | True Indigo |
| Inonotus | obligus | Clinker polypore |
| Inula | orientalis | Caucasian Elecampane |
| Inula | dysenterica | Common Fleabane |
| Inula | candida ssp.verbascifolia | Downy Elecampane |
| Inula | hirta | Downy Elecampane |
| Inula | helenium | Elecampagne |
| Inula | crithmoides | Golden Samphire |
| Inula | royaleana | Himalayan Elecampane |
| Inula | conyza | Ploughman's Spikenard |
| Inula | magnifica | Showy Elecampane |
| Inula | racemosa | Showy Elecampane |
| Inula | ensifolia | Slender-leaved Elecampane |
| Iodina | rhombifolia | Quebracho Flojo |
| Ionidium | ipecacuanha | White Ipecacuanha |
| Ipomoea | pes-caprae | Beach Morning Glory |
| Ipomoea | alba | Moonvine |
| Ipomoea | Morning Glory | |
| Ipomoea | tricolor | Morning Glory |
| Ipomoea | tricolor 'Heavenly Blue' | Morning Glory |
| Ipomoea | murucoides: | Pajaro Bobo |
| Ipomoea | fistulosa | Standing Morning Glory |
| Ipomoea | batatas | Sweet Potato |
| Ipomoea | arborescens | Tree Morning Glory |
| Ipomoea | turpethum | Turpeth |
| Ipomoea | aquatica | Water Spinach |
| Ipomopsis | rubra | Texas Plume |
| Iris | versicolor | Blue Flag |
| Iris | x germanica | Blue Flower De Luce |
| Iris | cristata | Crested Iris |
| Iris | danfordiae | Dwarf Beardless Iris |
| Iris | reticulata | Dwarf Beardless Iris |
| Iris | x germanica var. florentina | Florentine Iris |
| Iris | foetidissima | Gladwyn Iris |
| Iris | Iris | |
| Iris | ensata | Japanese Iris |
| Iris | tectorum | Japanese Roof Iris |
| Iris | setosa | liver lily |
| Iris | tenax | Oregon iris |
| Iris | pallida | Orris |
| Iris | sibirica | Siberian Iris |
| Iris | xiphium | Spanish Iris |
| Iris | variegata | Variegated Iris |
| Iris | missouriensis | western blue flag |
| Iris | florentina | White Flower De Luce |
| Iris | shrevei | Wild Iris |
| Iris | unguicularis | Winter Iris |
| Iris | pseudacorus | Yellow Flag |
| Isatis | tinctoria | Woad |
| Iva | xanthifolia | iva |
| Ivatis | indigotica | Tein-ching |
| Ivatis | tinctoria | Woad |
| Jacaranda | procera | Caroba |
| Jacaranda | mimosifolia | Jacaranda |
| Jasione | montana | Sheep's Scabious |
| Jasminum | officinale | Common White Jasmine |
| Jasminum | humile | Italian Yellow-f, Jasmine |
| Jasminum | floribundum | Jasmine (Abyssinia) |
| Jasminum | nudiflorum | Jasmine (China) |
| Jasminum | paniculatum | Jasmine (China) |
| Jasminum | nervosum | Jasmine (CochinChina) |
| Jasminum | fruticans | Jasmine (Europe) |
| Jasminum | angustifolium | Jasmine (India) |
| Jasminum | grandiflorum | Spanish Jasmine |
| Jasminum | odoratissimum | True Yellow Jasmine |
| Jasminum | sambac | Zambak |
| Jateorhiza | palmata | Bitter Columba Root |
| Jateorhiza | calumba | Calumba |
| Juglans | regia | Walnut |
| Juglans | cinerea | White Walnut |
| Juncus | effusus | Bog rush |
| Juniperus | pachyphloea | Alligator Juniper |
| Juniperus | virginiana | American Juniper |
| Juniperus | conferta | Blue Pacific Juniper |
| Juniperus | horizontalis | Blue Rug Juniper |
| Juniperus | Juniper | |
| Juniperus | communis | Juniper |
| Juniperus | oxycedrus | Prickly Cedar |
| Juniperus | scopulorum | Rocky Mountain juniper |
| Juniperus | sabina | Savine |
| Juniperus | osteosperma | Utah Juniper |
| Kaempferia | roscoeana | Peacock Ginger |
| Kalanchoë | Kalanchoe | |
| Kalmia | latifolia | Mountain Laurel |
| Kalmia | angustifolia | Sheep's Laurel |
| Kalmia | glauca | Swamp Laurel |
| Kalmia | microphylla ssp. occidentalis | Western bog-laurel |
| Kalmia | polifolia | Western bog-laurel |
| Kennedia | macrophylla | Big-leaf Kennedia |
| Kennedia | prostrata | Scarlet Coral Pea |
| Kennedia | nigricans | Tiger-snake Vine |
| Kentranthus | ruber | Red-spur Valerian |
| Knautia | arvensis | Field Scabious |
| Kniphofia | Torch Lily | |
| Kochia | scoparia | Belvedere cypress |
| Koeleria | cristata | Junegrass |
| Koelreuteria | Golden Rain Tree | |
| Koelreuteria | paniculata | Golden Rain Tree |
| Kolkwitzia | amabilis | Beautybush |
| Krameria | argentea | Para Rhatany |
| Krameria | triandra | Rhatany |
| Krameria | ixené | Savanilla Rhatany |
| Krameria | lanceolate | Texan Rhatany |
| Laburnum | x watereri | Goldenchain Tree |
| Lachnanthes | tinctoria | Lachnanthes |
| Lactuca | sativa | Garden Lettuce |
| Lactuca | serriola | Prickly Lettuce |
| Lactuca | sativa var. longifolia | Romaine Lettuce |
| Lactuca | canadensis | Tall Lettuce |
| Lactuca | capitata | Thridace |
| Lactuca | virosa | Wild Lettuce |
| Lagenaria | vulgaris | Calabash |
| Lagenaria | dasystemon: | Chinese preserving melon |
| Lagenaria | Gourd | |
| Lagenaria | siceraria | Gourds |
| Lagerstroemia | indica | Crapemyrtle |
| Lagunaria | patersonii | Norfolk Island Hibiscus |
| Lagurus | ovatus | Hare's Tail |
| Laminaria | Deep-Sea Tangle | |
| Laminaria | angustata | kelp |
| Laminaria | japonica | kelp |
| Laminaria | longicruris | kelp |
| Laminaria | longissima | kelp |
| Laminaria | ochotensis | kelp |
| Laminaria | digitata | Sea-girdles |
| Laminaria | saccharina | Sweet Oar-Weed |
| Laminaria | stenophylla | Tangle |
| Lamium | amplexicaule | Henbit Dead-nettle |
| Lamium | purpureum | Purple Deadnettle |
| Lamium | maculatum | Spotted Dead-nettle |
| Lamium | album | White Deadnettle |
| Lamium | galebdolon | Yellow Dead-nettle |
| Laportea | canadensis | Wood nettle |
| Lappa | communis: | Great burdock |
| Lappa | edulis: | Great burdock |
| Lappa | major: | Great burdock |
| Lappa | minor: | Great burdock |
| Larix | decidua | Larch |
| Larix | americana | Tamarac |
| Larix | occidentalis | Western Larch |
| Larrea | tridentata | Chaparral |
| Larrea | Creosote Bush | |
| Laserpitum | latifolia | Bastard Lovage |
| Lathyrus | Peavine | |
| Lathyrus | latifolius | Perennial Pea |
| Lathyrus | japonicus | Sea Pea |
| Lathyrus | odoratus | Sweet Pea |
| Laurencia | pinnatifida | Dulse |
| Laurus | nobilis | Bay Laurel |
| Lavandula | angustifolia x latifolia | Bastard Lavender |
| Lavandula | angustifolia | English Lavender |
| Lavandula | stoechas | French Lavender |
| Lavandula | angustifolia 'Hidcote' | Hidcote Lavender |
| Lavandula | angustifolia 'Jean Davis' | Jean Davis Lavender |
| Lavandula | angustifolia 'Lady' | Lady Lavender |
| Lavandula | Lavender | |
| Lavandula | delphinensis: | Lavender of Dauphine |
| Lavandula | angustifolia 'Munstead' | Munstead Lavender |
| Lavandula | x intermedia | Provence Lavender |
| Lavandula | angustifolia 'Rosea' | Rosea Lavender |
| Lavandula | dentata candicans | Spanish Grey Lavender |
| Lavandula | dentata | Spanish Lavender |
| Lavandula | latifolia | Spike Lavender |
| Lavandula | officinalis var. spica | Spike Lavender |
| Lavandula | heterophylla | Sweet Lavender |
| Lavandula | officinalis | True Lavender |
| Lavandula | angustifolia 'Twickle Purple' | Twickle Purple Lavender |
| Lavandula | lanata | Woolly Lavender |
| Lavatera | cachmeriana | Kashmir Tree Mallow |
| Lavatera | arborea | Tree Sea Mallow |
| Lawsonia | alba | Henna |
| Lawsonia | inermis | Henna |
| Lawsonia | inermis var. alba | Henna |
| Layia | elegans | Showy Tidytips |
| Layia | Tidytips | |
| Lecanora | acharius | .. (a lichen) |
| Lecanora | tartare | Tartarean Moss |
| Ledum | glandulosum | Glandular-leaved Labrador |
| Ledum | groenlandicum | Greenland tea |
| Ledum | Labrador tea | |
| Ledum | latifolium | Labrador Tea |
| Ledum | decumbens | Northern Labrador tea |
| Ledum | palustre ssp. decumbens | Northern Labrador tea |
| Leonotis | Lion's Ear | |
| Leonotis | leonurus | Lion's Ear |
| Leonotis | nepetaefolia | Lion's Ear |
| Leontodon | autumnalis | Autumnal Hawkbit |
| Leontodon | sinense: | Dandelion |
| Leontodon | taraxacum: | Dandelion |
| Leontodon | hispidus | Rough Hawkbit |
| Leontopodium | souliei | Chinese Edelweiss |
| Leontopodium | Edelweiss | |
| Leontopodium | alpinum | Edelweiss |
| Leontopodium | palibianum | Russian Edelweiss |
| Leonurus | artemisia | Chinese Motherwort |
| Leonurus | Motherwort | |
| Leonurus | cardiaca | Motherwort |
| Leonurus | sibericus | Siberian Motherwort |
| Leonurus | sibiricus | Siberian motherwort |
| Lepidium | sativum 'Crispum' | Curled Cress |
| Lepidium | latifolium | Dittander |
| Lepidium | sativum | Garden Cress |
| Lepidium | ruderale | Peppergrass |
| Leptandra | virginica | Black Root |
| Leptospermum | laevigatum | Australian Tea |
| Leptospermum | scoparium | Rose-flowered Tea Tree |
| Lespedeza | Bush Clover | |
| Lespedeza | capitata | Roundheaded Bushclover |
| Leucaena | glauca | Wild Tamarind |
| Leucanthemum | vulgare | Oxeye Daisy |
| Leucanthemum | x superbum | Shasta Daisy |
| Leucothoe | fontanesiana | Drooping Leucothoe |
| Levisticum | Lovage | |
| Levisticum | officinale | Lovage |
| Lewisia | rediviva | Bitter Root |
| Lewisia | spathulum | Bitter Root |
| Liatris | spicata | Button Snakeroot |
| Liatris | odoratissima | Deer's Tongue |
| Liatris | punctata | Dotted Blazingstar |
| Liatris | cylindracea | Dwarf Blazingstar |
| Liatris | pycnostachya | Kansas Gayfeather |
| Liatris | aspera | Pink Gayfeather |
| Liatris | scariosa | Prairie Gayfeather |
| Liatris | ligulistylis | Purple-blue Gayfeather |
| Liatris | squarrosa | Rattlesnake Master |
| Liatris | scariosa var. alba 'White Spire' | White Tall Gayfeather |
| Libocedrus | bidwillii | New Zealand Cedar |
| Librocedrus | decurrens: | Incense-cedar |
| Ligusticum | apiifolium | Celery Leaf Lovage |
| Ligusticum | grayi | Gray's Lovage |
| Ligusticum | hultenii | Hulten's Lovage |
| Ligusticum | japonicum | Japanese wax privet |
| Ligusticum | chinensis | Kau-pau |
| Ligusticum | porteri | Osha |
| Ligusticum | filicinum | Osha Colorado Cough-root |
| Ligusticum | scoticum | Scotch Lovage |
| Ligustrum | lucidum | Chinese Privet |
| Ligustrum | vulgare | Golden Privet |
| Ligustrum | Privet | |
| Lilium | rubescens | Chaparral Lily |
| Lilium | columbianum | Columbia Lily |
| Lilium | longiflorum | Easter lily |
| Lilium | formosanum | Formosa Lily |
| Lilium | Lily | |
| Lilium | candidum | Madonna Lily |
| Lilium | nepalensis | Nepal Lily |
| Lilium | canadense | Panther Lily |
| Lilium | martagon | Purple Turk's Cap Lily |
| Lilium | regale | Royal Lily |
| Lilium | chalcedonicum | Scarlet Turk's Cap |
| Lilium | pyrenaicum | Straw-coloured Turk's Cap |
| Lilium | pardalinum | Swamp Lilies |
| Lilium | tigrinum | Tiger Lily |
| Lilium | superbum | Turk's Cap Lily |
| Lilium | pomponium verum | Yellow Turk's Cap |
| Limnanthes | Meadow Foam | |
| Limnanthes | douglasii | Meadow Foam |
| Limnophila | aromatica | Asian Limno |
| Limonium | bellidifolium | Caspia Statice |
| Limonium | caspicum | Caspian Statice |
| Limonium | dumosum | German Statice |
| Limonium | tataricum | German Statice |
| Limonium | gougetianum | Lesser Sea Lavender |
| Limonium | perezii | Perezii Statice |
| Limonium | suworowii | Russian Statice |
| Limonium | latifolium | Sea Lavender |
| Limonium | gmelinii | Siberian Statice |
| Limonium | sinuatum | Sinuata Statice |
| Limonium | Statice | |
| Limonium | aureum | Statice |
| Linanthus | grandiflorus | Mountain Phlox |
| Linaria | alpina | Alpine Toadflax |
| Linaria | repens | Creeping Toadflax |
| Linaria | cymbalaria | Ivy-leaved Toadflax |
| Linaria | maroccana 'Fairy Bouquet' | Moroccan Toadflax |
| Linaria | genistifolia ssp.dalmatica | Narrow-leaved Toadflax |
| Linaria | purpurea | Perennial Snapdragon |
| Linaria | reticulata | Purplenet Toadflax |
| Linaria | vulgaris | Toadflax |
| Lindera | benzoin | Benjamin |
| Linnea | borealis | Twinflower |
| Linum | perenne | Blue Flax |
| Linum | usitatissimum 'Regina' | Fibre Flax |
| Linum | usitatissimum | Flax |
| Linum | narbonense | Heavenly Blue Flax |
| Linum | dolomitucum | Hungarian Flax |
| Linum | catharticum | Mountain Flax |
| Linum | usitatissimum 'Omega' | Omega Flax |
| Linum | lewisii | Prairie Flax |
| Linum | perenne subsp. lewisii | Prairie Flax |
| Linum | grandiflorum | Scarlet Flax |
| Linum | flavum | Yellow Flax |
| Lippia | alba | Anise Verbena |
| Lippia | dulcis | Aztec sweet herb |
| Lippia | scaberrima | Beukessboss |
| Lippia | graveolens | Mexican Oregano |
| Liquidambar | acerifolia: | Formosa sweet gum |
| Liquidambar | formosana | Formosa sweet gum |
| Liquidambar | maximowiczii: | Formosa sweet gum |
| Liquidambar | orientalis | Storax |
| Liquidambar | Sweet Gum | |
| Liquidambar | styraciflua | Sweet Gum |
| Liriodendron | tulipifera | Tuliptree |
| Liriope | spicata | Creeping lily-turf |
| Liriope | muscari | Liriope |
| Listera | convallarioides | Broad-leaved twayblade |
| Listera | cordata | Heart-leaved twayblade |
| Listera | caulina | Northwestern twayblade |
| Litchi | chinensis | Litchi |
| Lithospermum | officinale | Gromwell |
| Lithospermum | caroliniense | Hairy Puccoon |
| Lloydia | serotina | Alp lily |
| Lobelia | Butterfly Lobelia | |
| Lobelia | puberula | Downy Lobelia |
| Lobelia | erinus | Fountains Lobelia |
| Lobelia | siphilitica | Great Lobelia |
| Lobelia | inflata | Indian Tobacco |
| Lobelia | cardinalis | Red Lobelia |
| Lobularia | maritima | Sweet Alyssum |
| Loiseleuria | procumbens | Alpine-azalea |
| Lolium | temulentum | Bearded Darnel |
| Lolium | perenne | Common Ray |
| Lomatium | triternaturm | Buck Parsnip |
| Lomatium | dissectum | Fernleaf Lomatium |
| Lomatium | nudicaule | Pestle Lomatium |
| Lomatium | utriculatum | Spring Gold |
| Lonas | annua | Yellow Ageratum |
| Lonicera | maackii | Amur Honeysuckle |
| Lonicera | involucrata | Black twinberry |
| Lonicera | diervilla | Bush Honeysuckle |
| Lonicera | periclymenum | English Wild Honeysuckle |
| Lonicera | hispidula | Hiary honeysuckle |
| Lonicera | xylosteum | Honeysuckle |
| Lonicera | brachypoda repens | Honeysuckle (Japan) |
| Lonicera | tatarica | Honeysuckle (Siberia) |
| Lonicera | caprifolium | Italian Honeysuckle |
| Lonicera | brachypoda: | Japanese honeysuckle |
| Lonicera | chinensis: | Japanese honeysuckle |
| Lonicera | confusa: | Japanese honeysuckle |
| Lonicera | flexuosa: | Japanese honeysuckle |
| Lonicera | japonica | Japanese honeysuckle |
| Lonicera | japonica var. chinensis: | Japanese honeysuckle |
| Lonicera | utahensis | Utah honeysuckle |
| Lonicera | ciliosa | Western trumpet honeysuck |
| Lotus | corniculatus | Bird's Foot Trefoil |
| Lotus | Deer Vetch | |
| Lotus | rigidus | Desert Lotus Flower |
| Luffa | acutangula | Cee-gwa |
| Luffa | Dish-cloth Gourd | |
| Luffa | aegyptiaca | Luffa |
| Luffa | cylindrica: | Luffa |
| Luffa | astorii | Wild Luffa |
| Lunaria | Honesty | |
| Lunaria | annua | Honesty Plant |
| Lunaria | rediviva | Perennial Honesty |
| Lupinus | succulentus | Arroyo Lupin |
| Lupinus | perennis | Blue Bean |
| Lupinus | bicolor | Fairy Lupin |
| Lupinus | subcarnosus | Sand Bluebonnet |
| Lupinus | texensis | Texas Bluebonnet |
| Lupinus | arboreus | Tree Lupine |
| Lupinus | albus | White Lupin |
| Lupinus | luteus | Yellow Lupin |
| Lychnis | Campion | |
| Lychnis | alpina | Campion |
| Lychnis | chalcedonica | Maltese Cross |
| Lychnis | coronaria | Rose Campion |
| Lycium | barbarum | Chinese Wolfberry |
| Lycium | barbatum Thunb.: | Chinese Wolfberry |
| Lycium | barbatum var. chinense: | Chinese wolfberry |
| Lycium | chinense | Chinese Wolfberry |
| Lycium | megistocarpum: | Chinese Wolfberry |
| Lycium | ovatum: | Chinese Wolfberry |
| Lycium | trewianum: | Chinese Wolfberry |
| Lycium | turbinatum: | Chinese Wolfberry |
| Lycium | Matrimony Vine | |
| Lycopersicon | pimpinellifolium | Cherry Tomato |
| Lycopersicon | esculentum | Tomato |
| Lycopodium | clavatum | Common Club Moss |
| Lycopsis | arvensis | Small Bugloss |
| Lycopus | virginicus | Bugleweed |
| Lycopus | europaeus | Gipsywort |
| Lysichiton | americanum | swamp cabbage |
| Lysimachia | barystachys | Bog Loosestrife |
| Lysimachia | ciliata | Fringed Loosestrife |
| Lysimachia | punctata | Garden Loosestrife |
| Lysimachia | Loosestrife | |
| Lysimachia | nummularia | Moneywort |
| Lysimachia | quadrifolia | Prairie Loosestrife |
| Lysimachia | menoricensis | Veined Loosestrife |
| Lysimachia | ephemerum | White Loosestrife |
| Lysimachia | vulgaris | Yellow Loosestrife |
| Lythrum | salicaria | Purple Loosestrife |
| Lythrum | verticillatum | Swamp Willow-herb |
| Machaeranthera | tanacetifolia | Prairie Aster |
| Macheranthea | tanacetifolia | Tahoka Daisy |
| Macleaya | arborea | Plume Poppy |
| Macleaya | cordata | Plume Poppy |
| Macleaya | frutescens | Plume Poppy |
| Macleaya | integrifolia | Plume Poppy |
| Maclura | pomifera | Osage Orange |
| Macrocystis | pyrifera | kelp |
| Macrozamia | communis | Australian Cycad |
| Magnolia | acuminata | Magnolia |
| Magnolia | x soulangiana | Saucer Magnolia |
| Magnolia | grandiflora | Southern Magnolia |
| Magnolia | stellata | Star Magnolia |
| Magnolia | tripetala | Umbrella Tree |
| Magnolia | virginiana | White Laurel |
| Mahonia | nervosa | Dull Oregon grape |
| Mahonia | bealei | Leatherleaf Mahonia |
| Mahonia | aquifolium | Mountain Grape |
| Maianthemum | dilatatum | False lily-of-the-valley |
| Majorana | hortensis | Sweet Marjoram |
| Majorana | syriaca | Syrian of |
| Malaxis | monophyllos | One-leaved malaxis |
| Mallotus | philippinensis | Kamala |
| Malus | domestica | Apple |
| Malus | Apples | |
| Malus | sylvestris | Crab Apple |
| Malus | fusca | Pacific crab apple |
| Malva | sylvestris | Blue Mallow |
| Malva | verticillata | Curled Mallow |
| Malva | neglecta | Dwarf Mallow |
| Malva | rotundifolia | Dwarf Mallow |
| Malva | Mallows | |
| Malva | moschata | Musk Mallow |
| Malva | alcea | Pink Mallow |
| Malva | sylvestris var. mauritiana | Zebrina Mallow |
| Mammea | americana | Mammee Apple |
| Mandevilla | suaveolens | Chilean Jasmine |
| Manfreda | virginica | American Aloe |
| Mangifera | indica | Mango |
| Manihot | palmata | Brazilian Arrowroot, Swe |
| Manihot | utilissima | Tapioca |
| Maranta | allouya | Arrowroot |
| Maranta | arundinaceae | Arrowroot |
| Maranta | dichotoma | Arrowroot |
| Maranta | malaccensis | Arrowroot |
| Maranta | nobilis | Arrowroot |
| Marrubium | supinum | Dwarf Horehound |
| Marrubium | vulgare 'Green Pompon' | Green Pompon Horehound |
| Marrubium | incanum | Silver Horehound |
| Marrubium | vulgare | White Horehound |
| Marsdenia | condurango: | Condurango |
| Massora | aromatica | Sassafras Goesianum |
| Matelea | decipiens | Climbing Brown Milkweed |
| Matricaria | eximia: | Feverfew |
| Matricaria | chamomilla | German Chamomile |
| Matricaria | recutita | German Chamomile |
| Matricaria | Mayweed | |
| Matricaria | matricarioides | Pineapple Weed |
| Matthiola | longipetala | Evening Scented Stock |
| Matthiola | bicornis | Evening-scented Stock |
| Matthiola | Stocks | |
| Maximowicza | chinensis: | Schisandra |
| Meconopsis | betonicifolia | Blue Poppy |
| Meconopsis | horridula | Tibetan Poppy |
| Meconopsis | cambrica | Welch Poppy |
| Medeola | virginiana | Indian Cucumber |
| Medicago | sativa | Alfalfa |
| Melaleuca | decussata | Cajeput |
| Melaleuca | erucifolia | Cajuput |
| Melaleuca | hypericifolia | Cajuput |
| Melaleuca | lalifolia | Cajuput |
| Melaleuca | leucadendron | Cajuput |
| Melaleuca | minor | Cajuput |
| Melaleuca | veridifolia | Cajuput |
| Melampyrum | pratense | Cow-Wheat |
| Melanocarya | alata: | Winged spindle-tree |
| Melanthium | virginicum | Bunch Flower |
| Melia | azedarach | Chinaberry tree |
| Melica | subulata | Alaska Oniongrass |
| Melica | Melic Grass | |
| Melilotus | arvensis | Corn Melilot |
| Melilotus | alba | White Melilot |
| Melilotus | officinalis | Yellow Melilot |
| Melissa | officinalis | Balm |
| Melittis | melissophyllum | Balm Leaved Melittis |
| Menispermum | canadense | Yellow Parilla |
| Mentha | rotundifolia | Apple Mint |
| Mentha | x villosa | Apple Mint |
| Mentha | x piperita var. piperita | Black Peppermint |
| Mentha | cataria: | Catmint |
| Mentha | haplocalyx | Chinese Mint |
| Mentha | arvensis | Corn Mint |
| Mentha | requienii | Corsican Mint |
| Mentha | crispa | Crisped mint |
| Mentha | x piperita var. crispa | Crisped Peppermint |
| Mentha | spicata var. crispa | Curled Mint |
| Mentha | x gentilis | Ginger Mint |
| Mentha | x gentilis 'Variegata' | Ginger Mint |
| Mentha | sylvestris | Horse Mint |
| Mentha | x cordifolia | Improved Spearmint |
| Mentha | arvensis var. piperascens | Japanese Mint |
| Mentha | citrata | Lemon Mint |
| Mentha | x piperita var. citrata | Lime Mint |
| Mentha | Mint | |
| Mentha | incana | Mint (Bombay) |
| Mentha | arvensis var. javanesa | Mint (Ceylon) |
| Mentha | arvensis var. glabrata | Mint (China) |
| Mentha | canadensis | North American Corn Mint |
| Mentha | pulegium | Pennyroyal |
| Mentha | x piperita | Peppermint |
| Mentha | x piperita var. vulgaris | Peppermint |
| Mentha | citrata: | Pineapple Mint |
| Mentha | suaveolens | Pineapple Mint |
| Mentha | suaveolens 'Variegata' | Pineapple Mint |
| Mentha | x smithiana | Red Raripila |
| Mentha | x gentilis var. parviflora | Scotch Spearmint |
| Mentha | reticulosa: | Shiso |
| Mentha | longifolia | Silver Mint |
| Mentha | spicata | Spearmint |
| Mentha | x piperita var. vulgaris 'Variegata | Variegated Peppermint |
| Mentha | x piperita var. officinalis | White Peppermint |
| Mentha | sativa | Wild Mint |
| Mentha | aquatica | Wild Water Mint |
| Mentzelia | lindleyi | Blazing Star |
| Menyanthes | trifoliata | Bogbean |
| Menziesia | ferruginea | False azalea |
| Mercurialis | annua | Annual Mercury |
| Mercurialis | perennis | Dog's Mercury |
| Merremia | tuberosa | Woodrose |
| Mespilus | japonica: | Loquat |
| Mespilus | germanica | Medlar |
| Metasequoia | glyptostroboides | Dawn Redwood |
| Meum | athamanticum | Spignel |
| Micromeria | Emperor's Mint | |
| Micromeria | viminea | Jamaican Mint |
| Micromeria | fruticosa | Tea Hyssop |
| Mimosa | humilis | Brazilian Mimosa |
| Mimosa | fragifolia | Mimosa |
| Mimosa | linguis | Mimosa |
| Mimosa | Sensitive Plant | |
| Mimosa | pudica | Sensitive Plant |
| Mimosa | arborea: | Silk tree |
| Mimulus | Monkey Flower | |
| Mimulus | luteus tigrinus grandiflorus | Tiger Monkey Flower |
| Minuria | leptophylla | Euclan Daisy |
| Mirabilis | multiflora | Desert Four O-clock |
| Mirabilis | jalapa | Marvel of Peru |
| Miscanthus | sinensis | Zebra Grass |
| Miscanthus | strictus | Zebra Grass |
| Mitchella | repens | Squaw Vine |
| Mitella | ... | American Bastard Sanicle |
| Molicelia | laevis | Bells of Ireland |
| Molinia | varia | Purple Molinia |
| Mollugo | verticillata | Carpetweed |
| Moluccella | laevis | Bells of Ireland |
| Momordica | balsamina | Balsam Apple |
| Momordica | charantia | Balsam Pear |
| Monarda | punctata | American Horsemint |
| Monarda | russeliana | Bradbury's Bee Balm |
| Monarda | Horse Mint | |
| Monarda | didyma | Oswego Tea |
| Monarda | pectinata | Pony Bee Balm |
| Monarda | citriodora | Prairie Bergamot |
| Monarda | fistulosa | Wild Bergamot |
| Monardella | odoratissima | Mountain Monarda |
| Monodora | myristica | Jamaica Nutmeg |
| Monsonia | ovata | Monsonia |
| Morina | longifolia | Nepalese Whorlflower |
| Morina | persica | Prickly Whorlflower |
| Morus | alba | Chinese White Mulberry |
| Morus | nigra | Common Mulberry |
| Morus | tinctoria: | Indian Mulberry |
| Morus | alba var. stylosa | Kuwa |
| Morus | rubra | Red Mulberry |
| Morus | indica | San-pai-pi |
| Morus | constantinopolitana: | White mulberry |
| Morus | indica: | White mulbery |
| Mucuna | pruriens | Cowhage |
| Mucuna | urens | Horse-eye Beans |
| Mucuna | pruriens var. utilis subsp. deering | Velvet Bean |
| Mukia | micrantha | Bush Cucumber |
| Murraya | koenigii | Curry Leaf Plant |
| Murraya | paniculata | Orange Jasmine |
| Musa | paradisiaca | Banana |
| Musa | cavendishii | Chinese Banana |
| Musa | textilis | Manilla Hemp |
| Muscari | comosum | Feather Hyacinth |
| Muscari | racemosum | Grape Hyacinth |
| Myosotis | arvensis | Field Forget-me-not |
| Myosotis | Forget-me-not | |
| Myosotis | scorpioides | Forget-me-not |
| Myosotis | sylvatica | Woodland Forget-me-not |
| Myrica | cerifera | Bayberry |
| Myrica | pennsylvanica | Bayberry |
| Myrica | californica | California Bayberry |
| Myrica | cordifolia | Myrtle |
| Myrica | nagi | Myrtle |
| Myrica | gale | Sweet Gale |
| Myriocephalus | stuartii | Poached Egg Daisy |
| Myriophyllum | alterniflorum | Altern-fl Water Milfoil |
| Myriophyllum | spicatum | Spiked Water Milfoil |
| Myriophyllum | verticillatum | Whorled Water Milfoil |
| Myristica | malabarica | Bombay Mace |
| Myristica | argentea | Macassar Mace |
| Myristica | fragrans | Nutmeg |
| Myristica | moschata: | Nutmeg |
| Myristica | sebifera | Ocuba Wax |
| Myrospermum | toluiferum | Balsam of Tolu |
| Myroxylon | balsamum var. pereirae | Balsam of Peru |
| Myrrhis | odorata | Sweet Cicely |
| Myrtus | communis 'Microphylla' | German Myrtle |
| Myrtus | communis | Myrtle |
| Myrtus | communis 'Microphylla Variegata' | Variegated German Myrtle |
| Nandina | domestica | Nandina |
| Napea | dioica | Glade Mallow |
| Narcissus | odorus | Campernella |
| Narcissus | Daffodil | |
| Narcissus | pseudonarcissus | Daffodil |
| Narcissus | jonquilla | Jonquil |
| Narcissus | poeticus | Poet's Narcissus |
| Narthecium | ossifragum | Bog Asphodel |
| Narthex | asafetida | Thibetan Asafetida |
| Nashia | inaguensis | Moujean Tea |
| Nasturtium | officinale | Watercress |
| Nelumbium | speciosum | Chinese Arrowroot |
| Nelumbium | nelumbo | Lotus |
| Nelumbium | nuciferum: | Lotus |
| Nelumbium | speciosum Willd.: | Lotus |
| Nemophila | menziesii | Baby Blue Eyes |
| Nemophila | maculata | Five-spot |
| Nepeta | cataria | Catmint |
| Nepeta | nervosa | Clear Blue Catmint |
| Nepeta | racemosa | Dwarf Catnip |
| Nepeta | x faassenii | Faassen's Catnip |
| Nepeta | hederacea: | Ground ivy |
| Nepeta | lanceolata | Lance-leaved Catnip |
| Nepeta | cataria 'Citriodora' | Lemon-scented Catnip |
| Nephelium | litchi: | Litchi |
| Nephelium | longana | Longan |
| Nephrolepis | exaltata | Boston fern |
| Nereocystis | luetkeana | kelp |
| Nerium | oleander | Oleander |
| Nerium | divaricatum: | Star jasmine |
| Nicandra | physaloides | Shoofly Plant |
| Nicotiana | trigonophylla | Desert Tobacco |
| Nicotiana | repandu | Havannah Tobacco |
| Nicotiana | alata | Jasmine Tobacco |
| Nicotiana | attenuata | Mountain Tobacco |
| Nicotiana | latissima | Orinoco Tobacco |
| Nicotiana | persica | Persian Tobacco |
| Nicotiana | Tobacco | |
| Nicotiana | tabacum | Tobacco |
| Nicotiana | glauca | Tree Tobacco |
| Nicotiana | rustica | Wild Tobacco |
| Nigella | hispanica | Fennel Flower |
| Nigella | sativa | Fennel Flower |
| Nigella | Love-in-a-mist | |
| Nigella | damascena | Nigella |
| Nigella | orientalis | Yellow Nigella |
| Nitraria | Nitre-bush | |
| Nitraria | schoberi | Nitre-bush |
| Nolina | Bear Grass | |
| Nolina | recurvata | Pony Tail |
| Nolina | microcarpa | Sacahuista |
| Nuphar | lutea | European Yellow Pond-lily |
| Nycthanthes | arborthristis | Indian Night Jasmine |
| Nymphaea | alba | White Pond Lily |
| Ocimum | guineense | Basil... (Guinea) |
| Ocimum | canum | Basil... (India) |
| Ocimum | crispum | Basil... (Japan) |
| Ocimum | teniflorum | Basil... (Java) |
| Ocimum | minimum | Bush Basil |
| Ocimum | kilimandscharicum | Camphor-scented Basil |
| Ocimum | gratissimum | East Indian Basil |
| Ocimum | sanctum | Holy Basil |
| Ocimum | americanum | Lemon Basil |
| Ocimum | frutescens | Lettuce Leaf Basil |
| Ocimum | viride | Mosquito Plant |
| Ocimum | micranthemum | Peruvian Basil |
| Ocimum | basilicum | Sweet Basil |
| Odontonema | strictum | Scarlet Flame |
| Oemleria | cerasiformis | Indian-plum |
| Oenanthe | pimpinelloides | .. (Water Dropwort) |
| Oenanthe | crocata | Hemlock Water Dropwort |
| Oenanthe | phellandrium | Water Dropwort |
| Oenanthe | fistulosa | Water Lovage |
| Oenothera | acaulis var. aurea | Chilean Evening Primrose |
| Oenothera | Evening Primrose | |
| Oenothera | biennis | Evening Primrose |
| Oenothera | odorata | Fragrant Evening Primrose |
| Oenothera | tetragona | Golden Sundrops |
| Oenothera | hookeri | Hooker's Evening Primrose |
| Oenothera | pallida | Jasmine Evening Primrose |
| Oenothera | erythrosepala | Large-flowered Evening Pr |
| Oenothera | lamarckiana | Midwest Evening Primrose |
| Oenothera | syrticola | Nodding Evening Primrose |
| Oenothera | missouriensis | Ozark Sundrops |
| Oenothera | speciosa | Showy Evening Primrose |
| Oenothera | perennis | Sundrops |
| Olea | fragrans | Lanhoa |
| Olea | Olive | |
| Olea | europaea | Olive |
| Olea | africana | Wild of |
| Ononis | spinosa | Restharrow |
| Ononis | arvensis | Rest-harrow |
| Onopordum | arabicum | Arabian Thistle |
| Onopordum | nervosum | Moor's Cottonthistle |
| Onopordum | acanthium | Scotch Thistle |
| Operculina | brownii | Bush-potato |
| Ophelia | angustifolia | Hill Chirata |
| Ophioglossum | vulgatum | English Adder's Tongue |
| Ophiopogon | japonicus | Dwarf Lilyturf |
| Oplopanax | horridus | Devil's Club |
| Opopanax | chironium | Opoponax |
| Opuntia | cochinellifera | Cochineal Insect Cactus |
| Opuntia | humifusa | Prickly Pear |
| Opuntia | vulgaris | Prickly Pear |
| Opuntia | compressa | Prickly Pear Cactus |
| Opuntia | phaecantha var. major | Prickly Pear Cactus |
| Opuntia | Prickly Pears | |
| Orchis | mascula | Early Purple Orchis |
| Orchis | morio | Green-winged Meadow Orchi |
| Orchis | latifolia | March Orchis |
| Orchis | conopea | Orchids |
| Orchis | coriophora | Orchids |
| Orchis | longieruris | Orchids |
| Orchis | militaris | Orchids |
| Orchis | pyramidalis | Orchids |
| Orchis | saccifera | Orchids |
| Orchis | ustulata | Orchids |
| Orchis | maculata | Spotted Orchis |
| Origanum | vulgare 'Compacta' | Compact Oregano |
| Origanum | aureum crispum | Curled Golden Marjoram |
| Origanum | calcaratum | Dittany of Amorgos |
| Origanum | dictamnus | Dittany of Crete |
| Origanum | heracleoticum | Greek Oregano |
| Origanum | prismaticum | Greek Oregano |
| Origanum | x majoricum | Hardy Sweet Marjoram |
| Origanum | sipyleum | Hop Plant |
| Origanum | microphyllum | Microphylla Oregano |
| Origanum | Oregano | |
| Origanum | dubium | Origanum of Cyprus |
| Origanum | onites | Pot Marjoram |
| Origanum | onitum | Smyrna Origanum |
| Origanum | onitum var. smyrnaeum | Smyrna Origanum Oil |
| Origanum | majorana | Sweet Marjoram |
| Origanum | tyttanticum | Turkestan of |
| Origanum | vulgare 'Variegata' | Variegated Marjoram |
| Origanum | vulgare | Wild Marjoram |
| Origanum | heracleoticum: | Winter Marjoram |
| Orithia | oxypetala: | Edible tulip |
| Ornithogalum | divaricatum | Californian Soaproot |
| Ornithogalum | candatum | Sea Onion |
| Ornithogalum | pyrenaicum | Spiked Ornithogalum |
| Ornithogalum | umbellatum | Star of Bethlehem |
| Orobanche | virginiana | Beech Drops |
| Oryza | sativa | Common rice |
| Oryzopsis | hymenoides | Indian Rice-grass |
| Oryzopsis | Rice-grass | |
| Osmaronia | cerasiformis: | Indian-plum |
| Osmorhiza | American Sweet Cicely | |
| Osmunda | regalis | Royal Fern |
| Oxalis | acetosella | Wood Sorrel |
| Oxycoccus | oxycoccos | Bog cranberry |
| Oxycoccus | microcarpus: | Cranberry |
| Oxycoccus | palustris | cranberry |
| Oxydendron | arboreum | Sourwood |
| Oxydendrum | arboreum | Sourwood |
| Oxyria | reniformis | Mountain Sorrel |
| Ozmorrhiza | longistylis | American Sweet Cicely |
| Pachistima | myrsinites | Falsebox |
| Pachycereus | pecten-aboriginum | Indian Comb |
| Pachypodium | lamerii | Madagascar Palm |
| Pachyrhizus | erosus | Jicama |
| Pachyrhizus | thunbergianus: | Kudzu vine |
| Pachysandra | terminalis | Pachysandra |
| Paeonia | albiflora | Chinese peony |
| Paeonia | edulis: | Chinese peony |
| Paeonia | lactiflora: | Chinese peony |
| Paeonia | officinalis Thunb.: | Chinese peony |
| Paeonia | Paeony | |
| Paeonia | officinalis | Paeony |
| Paeonia | arborea: | Tree peony |
| Paeonia | moutan | Tree peony |
| Paeonia | suffruticosa: | Tree peony |
| Palicourea | densiflors | Coto ? |
| Palmaria | palmata | Dulse |
| Panax | quinquefolium | American Ginseng |
| Panax | pseudoginseng | Asiatic Ginseng |
| Panax | Ginseng | |
| Panax | ginseng | Ginseng |
| Panax | pseudoginseng: | Ginseng |
| Panax | schinseng: | Ginseng |
| Panicum | violaceum | Panic Grass |
| Panicum | virgatum | Switchgrass |
| Papaver | alpinum | Alpine Poppy |
| Papaver | atlanticum | Atlas Poppy |
| Papaver | dubium | Field Poppy |
| Papaver | somniferum | Opium poppy |
| Papaver | somniferum var. album | Opium Poppy |
| Papaver | rhoeas | Red Poppy |
| Parechites | adnascens: | Star jasmine |
| Parechites | thunbergii: | Star jasmine |
| Parietaria | officinalis | Pellitory of The Wall |
| Paris | quadrifolia | Herb Paris |
| Parkinsonia | aculeata | Jerusalem Thorn |
| Parnassia | glauca | Grass of Parnassus |
| Parthenium | integrifolium | Wild Quinine |
| Parthenocissus | tricuspidata | Boston Ivy |
| Parthenocissus | quinquefolia | Virginia Creeper |
| Passiflora | maliformis | Apple-fruited Granadilla |
| Passiflora | caerulea | Blue Passion Flower |
| Passiflora | quadranguaris | Common Granadilla |
| Passiflora | incarnata | Maypop |
| Passiflora | Passion Flower | |
| Passiflora | edulis | Passion Fruit |
| Passiflora | mollissima | Pink Banana Passionfruit |
| Passiflora | cinnabarina | Red Passionflower |
| Passiflora | laurifolia | Water Lemon |
| Passiflora | lutea | Yellow Passionflower |
| Pastinaca | sativa | Parsnip |
| Patrinia | gibbosa | Greater Patrinia |
| Patrinia | ceratophylla: | Tobacco Root |
| Paullinia | cupana | Guarana |
| Paulownia | tomentosa | Empress Tree |
| Pausinystalia | yohimbe | yohimbe |
| Pavetta.. | Wild Jasmine | |
| Pedalium | murex | Burra Gookeroo |
| Pedicularis | Betony | |
| Pedicularis | sylvatica | Dwarf Red Rattle |
| Pedicularis | groenlandica | Elephant's Head |
| Pedicularis | densiflora | Indian Warrior |
| Pedicularis | attollens | Little Elephant's Head |
| Pedicularis | canadensis | Wood Betony |
| Peganum | harmala | Syrian Rue |
| Pelargonium | quercifolium 'Pretty Polly' | Almond Geranium |
| Pelargonium | odoratissimum | Apple Geranium |
| Pelargonium | scabrum 'M.Ninon' | Apricot Geranium |
| Pelargonium | capitatum | Atomic Snowflake Geranium |
| Pelargonium | capitatum 'Attar of Roses' | Attar of Roses Geranium |
| Pelargonium | alpinum | Austrian Geranium |
| Pelargonium | vitifolium | Balm-scented Geranium |
| Pelargonium | quercifolium 'Beauty' | Beauty Oak Geranium |
| Pelargonium | x blandfordianum | Blandford Geranium |
| Pelargonium | x asperum 'Camphoratum' | Camphor-rose Geranium |
| Pelargonium | quercifolium 'Chocolate-Mint' | Chocolate-mint Geranium |
| Pelargonium | crispum 'Cinnamon' | Cinnamon Geranium |
| Pelargonium | citrosum 'Mosquito fighter' | Citrosa Geranium |
| Pelargonium | clorinda | Clorinda Geranium |
| Pelargonium | grossularioides | Coconut Geranium |
| Pelargonium | quercifolium 'Fair Ellen' | Fair Ellen Geranium |
| Pelargonium | denticulatum 'Filicifolium' | Fernleaf Geranium |
| Pelargonium | capitatum 'Schottesham Pet' | Filbert Geranium |
| Pelargonium | crispum 'Minor' | Fingerbowl Lemon Geranium |
| Pelargonium | suaveolens | Geranium |
| Pelargonium | quercifolium 'Giganteum' | Giant Oak Geranium |
| Pelargonium | crispum | Gooseberry Geranium |
| Pelargonium | x asperum 'Gray Lady Plymouth' | Gray Lady Plymouth Gerani |
| Pelargonium | gibbosum | Knotted Geranium |
| Pelargonium | x asperum | Lemon Mabel Geranium |
| Pelargonium | x nervosum | Lime Geranium |
| Pelargonium | x fragrans | Nutmeg Geranium |
| Pelargonium | graveolens | Old Fashion Rose Geranium |
| Pelargonium | x fragrans 'Logeei' | Old Spice Geranium |
| Pelargonium | antidysentericum | Pelargonium |
| Pelargonium | triste | Pelargoniums |
| Pelargonium | tomentosum | Peppermint Geranium |
| Pelargonium | denticulatum | Pine Geranium |
| Pelargonium | citrosum | Prince of Orange Geranium |
| Pelargonium | crispum 'Prince Rupert' | Prince Rupert Geranium |
| Pelargonium | graveolens 'Rober's Lemon Rose' | Rober's Lemon Rose Gerani |
| Pelargonium | x ignescens | Scarlet Unique Geranium |
| Pelargonium | Scented Geraniums | |
| Pelargonium | radens | Skeleton-rose Geranium |
| Pelargonium | capitatum 'Snowflake' | Snowflake Geranium |
| Pelargonium | acetosum | Sorrel Geranium |
| Pelargonium | abrotanifolium | Southernwood Geranium |
| Pelargonium | quercifolium | Staghorn Oak Geranium |
| Pelargonium | x scarboroviae | Strawberry Geranium |
| Pelargonium | x asperum 'Variegatum' | Variegated Mint-rose Gera |
| Pelargonium | crispum 'Variegated Prince Rupert' | Variegated Prince Rupert |
| Pelargonium | quercifolium 'Velvet Oak' | Velvet Oak Geranium |
| Peltigera | canina | English Liverwort |
| Peltophorum | africanum | African Blackwood |
| Pennisetum | villosum | Feathertop |
| Pennisetum | alopecoroides | Fountain Grass |
| Pennisetum | setaceum | Fountain Grass |
| Penstemon | ambiguus | Beard Tongue |
| Penstemon | fruticosus | Beard Tongue |
| Penstemon | Beard-tongue | |
| Penstemon | pinifolius | Filigree Beard Tongue |
| Penstemon | digitalis | Foxglove Beard Tongue |
| Penstemon | grandiflorus | Large-flowered Beardtongu |
| Penstemon | strictus | Rocky Mountain Beardtongu |
| Penstemon | hartwegii | Scarlet Beard Tongue |
| Penstemon | heterophyllus | Shrubby Beard Tongue |
| Penstemon | serrulatus | Shrubby Light-blue Beard- |
| Penstemon | gracilis | Slender Penstemon |
| Pentaglottis | sempervirens | Alkanet |
| Penthorum | sedoides | Virginian Stonecrop |
| Pentzia.. | Gold Button | |
| Peperomia | caperata | Emerald ripple peperomia |
| Peramium | ripens | Rattlesnake Plantain |
| Peramium | pubescens | White Plantain |
| Perideridia | kelloggii | Californian Caraway |
| Perilla | frutescens 'Nankinensis' | Purple Common Perilla |
| Perilla | arguta: | Shiso |
| Perilla | frutescens | Shiso |
| Perilla | ocymoides var. crispa: | Shiso |
| Perilla | ocymoides: | Shiso |
| Peristrophe | hyssopifolia | Tilo |
| Perovskia | artemisioides | Russian Sage |
| Perovskia | atriplicifolia | Russian Sage |
| Perovskia | atriplicifolia x P.abrotanoides | Russian Sage |
| Persea | americana | Avocado |
| Persea | borbonia | Red-tip Bay |
| Persica | platycarpa: | Peach tree |
| Persica | vulgaris: | Peach tree |
| Petalostemun | exile | Desert Grassland Clover |
| Petalostemun | Prairie Clover | |
| Petalostemun | purpureum | Purple Prairie Clover |
| Petalostemun | candidum | White Prairie Clover |
| Petasites | vulgaris | Butterbur |
| Petasites | hybridus | Butterburr |
| Petasites | fragrans | Winter Heliotrope |
| Petrorhagia | saxifraga | Tunic |
| Petroselinum | crispum var. crispum | Curled Parsley |
| Petroselinum | latifolium | Flat Parsley |
| Petroselinum | crispum var. radicosum | Hamburg Parsley |
| Petroselinum | crispum | Parsley |
| Petroselinum | crispum var. neapolitanum | Plainleaf Parsley |
| Peucedanum | officinale | Hog's Fennel |
| Peucedanum | sowa | Indian Dill |
| Peucedanum | palustre | Marsh Hog's Fennel |
| Peucedanum | ostruthium | Masterwort |
| Peumus | boldus | Boldo |
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