| L |
| L.D. Braithwaite rose, Rosa 'AUScrin' |
| La France rose, Rosa 'La France' |
| La Reine Victoria rose, Rosa 'La Reine Victoria' |
| La Royal rose, Rosa 'La Royal' |
| Lace Cascade rose, Rosa 'JACarch' |
| Lace shrub, Stephandra incisa |
| Ladies' tresses, Little, Spiranthes tuberosa var. gracilis |
| Ladies' tresses, Nodding, Spiranthes cernua |
| Ladies' tresses, Slender, Spiranthes lacera var. gracilis |
| Lady Banks rose, Rosa banksiae |
| Lady Banks rose, White, Rosa banksiae lutea |
| Lady fern, Athyrium filix-femina |
| Lady of The Dawn rose, Rosa 'INTerlada' |
| Lady slipper, Lady's-slipper, Moccasin flower, Cypripedium spp. |
| Lady slipper, Pink; Moccasin-flower, Cypripedium acaule |
| Lady slipper, Yellow, Cypripedium calceolus |
| Lady Ursula rose, Rosa 'Lady Ursula' |
| Lady's mantle, Alchemilla mollis |
| Lagerfeld rose, Rosa 'AROlaqueli' |
| Lamb's ear, Stachys byzantina |
| Lamium; Dead nettle, Lamium spp. |
| Lamium; Dead nettle; Spotted dead nettle, Lamium maculatum |
| Lanceleaf marguerite, Argyranthemum foeniculaceum |
| Lantana, Common, Lantana camara |
| Lantana, Lantana camera |
| Lantana, Three leaved, Lantana trifoliata |
| Lantana, Weeping, Lantana montevidensis |
| Larch, Golden, Pseudolaria kaempferx |
| Larch, Japanese, Larix kaempferi |
| Large blue hair grass, Koeleria glauca |
| Large quaking grass, Briza maxima |
| Larkspur, Delphinium spp. |
| Larkspur, Dwarf; Spring larkspur, Delphinium tricorne |
| Larkspur, Tall, Delphinium exatatum |
| Las Vegas rose, Rosa 'KORgane' |
| Latosca rose, Rosa 'Latosca' |
| Laurel, Alexandrian, Danae racemosa |
| Laurel, Bay, Lauris noblis |
| Laurel, David's mountain, Sophora davidii = Sophora viciifolia |
| Laurel, English, Prunus laurocerasus |
| Laurel, Mountain, Kalmia latifolia |
| Laurel, Otto Luken cherry, Prunus laurocerasus 'Otto Luken' |
| Laurel, Poet's, Danae racemosa |
| Laurel, Portugal, Prunus lusitonica |
| Laurel, Sheep, Kalmia angustifolia var. caroliniana |
| Laurel, True, Lauris noblis |
| Laurel, Zabel's cherry, Prunus laurocerasus 'Zabeliana' |
| Laurentia, Laurentia fluviatilis |
| Lavender cotton, Santolina chamaecyparissus |
| Lavender Dream rose, Rosa 'INTerlav' |
| Lavender musk, Mimulus ringens |
| Lavender popcorn, Lantana trifoliata |
| Lavender, Common, Lavandula angustifolia |
| Lavender, English, Lavandula angustifolia |
| Lavender, French, Lavandula stoechas |
| Lavender, Hybrid, Lavandula x intermedia |
| Lavender, Lavandula angustifolia |
| Lawrence Johnston rose, Rosa 'Lawrence Johnston' |
| Le Ann Rimes rose, Rosa 'HARzippee' |
| Leadwort, Cape, Plumbago auriculata |
| Leadwort, Cape, Plumbago auriculata = P. capensis |
| Leadwort, Ceratostigma plumbaginoides |
| Leadwort; Dwarf plumbago, Ceratostigma plumbaginoides |
| Leander rose, Rosa 'AUSlea' |
| Leather flower, Clematis viorma |
| Leather flower; Clematis; Virgin's bower, Clematis spp. |
| Leather wood fern; Marginal woodfern; Evergreen woodfern, Dryopteris marginalis |
| Leatherwood, Cyrilla racemiflora |
| Leda rose, Rosa 'Leda' |
| Leek, Wild; Ramps, Allium tricoccum |
| Legend rose, Rosa 'JACtop' |
| Lemon balm, Melissa officinalis |
| Lemon Chiffon water lily, Nymphaea 'Lemon Chiffon' |
| Lemon grass, Cymbopogon citratus |
| Lemon verbena, Aloysia triphylla |
| Lenten rose, Helleborus orientalis |
| Leopard flower, Belamcanda chinensis |
| Leopard plant, Ligularia tussilaginea |
| Leopard's bane, Doronicum spp. |
| Leopardess water lily, Nymphaea 'Leopardess' |
| Lespedeza, Thunberg, Lespedeza thunbergii |
| Lettuce, False; Florida lettuce, Lactuca floridana |
| Lettuce, Tall white; Rattlesnake root, Prenanthes altissima |
| Leucothoe, Coastal, Leucothoe axillaris |
| Leucothoe, Coastal; Fetter-bush, Leucothoe axillaris |
| Leucothoe, Drooping, Leucothoe fontanesiana |
| Leucothoe, Drooping; Fetter bush, Doghobble, Leucothoe fontanesiana (catesbali) |
| Leucothoe, Florida, Agarista populifolia = Leucothoe populifolia |
| Leucothoe, Florida; Fetter-bush; Coast leucothoe, Agarista populifolia = Leucothoe axillaris |
| Leucothoe, Leucothoe recurvara |
| Leucothoe, Sweetbells, Leucothoe racemosa |
| Leucothoe; Fetterbush, Leucothoe recurvara |
| Liatris, Scaly, Liatris squarrosa |
| Liebenzauber rose, Rosa 'KORmiach' |
| Ligularia, Ligularia stenocephala |
| Lilac rose, Rosa 'AUSlilac' |
| Lilac, Common, Syringa vulgaris |
| Lilac, Cutleaf, Syringa laciniata |
| Lilac, Early, Syringa oblata |
| Lilac, French, Syringa vulgaris |
| Lilac, Japanese tree, Syringa reticulata |
| Lilac, Korean early, Syringa oblata var. dilatata |
| Lilac, Korean, Syringa patula |
| Lilac, Late, Syringa villosa |
| Lilac, Manchurian, Syringa patula |
| Lilac, Meyer, Syringa meyeri |
| Lilac, Peking, Syringa pekinensis |
| Lilac, Persian, Syringa x persica |
| Lilac, Syringa julianae |
| Lili Marleen rose, Rosa 'KORlima' |
| Lilies, Asiatic hybrid, Lilium |
| Lilies, Oriental hybrid, Lilium |
| Lilies, Oriental, Lilium Oriental hybrids |
| Lilies, Oxblood, Rhodohypoxis |
| Lily of the valley, Convallarina montana |
| Lily of the valley, False; Canadian mayflower, Maianthemum canadense |
| Lily Pons water lily, Nymphaea 'Lily Pons' |
| Lily, African Corn, Ixia hybrids |
| Lily, African, Agapanthus |
| Lily, Amazon, Eucharis |
| Lily, American swamp, Saururus cernuus |
| Lily, American water; Fragrant water lily, Nymphaea odorata |
| Lily, Atamasco, Zephyranthes altamasco |
| Lily, August, Amaryllis belladonna |
| Lily, Avalanche, Erythronium 'Pagoda' |
| Lily, Avalanche, Erythronium spp. |
| Lily, Aztec, Sprekelia |
| Lily, Belladonna, Amaryllis belladonna |
| Lily, Belladonna, Amaryllis belladonna |
| Lily, Blackberry, Belamcanda chinensis |
| Lily, Blackberry, Belamcanda chinensis |
| Lily, Blood, Haemanthus = Scadoxus |
| Lily, Blue Altai, Ixiolirion montanum (I. pallasii) |
| Lily, Bluebead; Clinton's lily; Corn-lily, Clintonia borealis |
| Lily, Bugle, Watsonia |
| Lily, Calla, Zantedeschia |
| Lily, Cape, Crinum |
| Lily, Cape, Veltheimia |
| Lily, Carolina; Michaux's lily, Lilium michauxii |
| Lily, Chequered, Fritillaria meleagris |
| Lily, Chinese-lantern, Sandersonia aurantiaca |
| Lily, Climbing, Gloriosa superba |
| Lily, Clinton's; Speckled wood lily, White clintonia, Clintonia umbellulata |
| Lily, Fairy, Zephyranthes |
| Lily, Fawn, Erythronium 'Pagoda' |
| Lily, Fawn, Erythronium spp. |
| Lily, Fire, Cyrtanthus |
| Lily, Flame, Clivia |
| Lily, Flame, Gloriosa superba |
| Lily, Fortnight, Dietes |
| Lily, Fortnight, Dietes spp. |
| Lily, Foxtail, Eremurus |
| Lily, Foxtail, Eremurus spp. |
| Lily, George, Vallota = Cyrtanthus |
| Lily, Glacier, Erythronium 'Pagoda' |
| Lily, Glacier, Erythronium spp. |
| Lily, Glory, Gloriosa superba |
| Lily, Gray's; Orange bell lily, Lilium grayi |
| Lily, Guernsey, Nerine |
| Lily, Jacobean, Sprekelia |
| Lily, Kaffir, Clivia |
| Lily, Kaffir, Clivia miniata |
| Lily, Kaffir, Schizostylis |
| Lily, Madonna, Lilium candidum |
| Lily, Madonna, Lilium candidum |
| Lily, Magic, Lycoris squamigera |
| Lily, Naked, Lycoris aurea |
| Lily, Naked, Lycoris radiata |
| Lily, Naked, Lycoris radiata, L. squamigera |
| Lily, Perfumed fairy, Chlidanthus fragrans |
| Lily, Peruvian, Alstroemeria |
| Lily, Peruvian, Alstroemeria hybrids |
| Lily, Pineapple, Eucomis |
| Lily, Pineapple, Eucomis bicolor |
| Lily, Pineapple, Eucomis bicolor |
| Lily, Rain, Habranthus |
| Lily, Rain, Zephyranthes |
| Lily, Red cape, Haemanthus = Scadoxus |
| Lily, Resurrection, L. squamigera |
| Lily, Scarborough, Cyrtanthus = Vallota |
| Lily, September, Clivia miniata |
| Lily, Siberian, Ixiolirion montanum (I. pallasii) |
| Lily, Sky Blue, Ixiolirion montanum (I. pallasii) |
| Lily, Snakeshead, Fritillaria meleagris |
| Lily, Snakeshead, Fritillaria meleagris |
| Lily, Southern swamp, Crinum americanum |
| Lily, Spider Japanese , Nerine bowdenii |
| Lily, Spider, Crinum spp. |
| Lily, Spider, Hymenocallis occidentalis |
| Lily, Spider, Lycoris aurea |
| Lily, Spider, Lycoris radiata, L. squamigera |
| Lily, St. Bernard's, Anthericum liliago |
| Lily, St. James, Sprekelia |
| Lily, Swamp, Crinum spp. |
| Lily, Sword, Acidanthera bicolor |
| Lily, Torch, Scadoxus |
| Lily, Triplet, Brodiaea laxa (Triteleia) |
| Lily, Triplet, Brodiaea laxa (Triteleia) |
| Lily, Trout, Erythronium 'Pagoda' |
| Lily, Trout, Erythronium spp. |
| Lily, Trout; Fawn lily; Dog-tooth violet, Erythronium americanum |
| Lily, Turk's cap, Lilium superbum |
| Lily, Wood; Northern red lily, Lilium philadelphicum |
| Lily, Zephyr, Zephyranthes |
| Lily-of-the-Incas, Alstroemeria |
| Lily-of-the-Nile, Agapanthus |
| Lily-of-the-Valley, Convallaria majalis |
| Lilyturf, White; Snakebeard, Ophiopogon jaburan vittata |
| Limelight rose, Rosa 'KORikon' |
| Linda Campbell rose, Rosa 'MORten' |
| Linden, American, Tilia americana |
| Linden, Bigleaf, Tilia platyphyllos |
| Linden, Crimean, Tilia x euchlora |
| Linden, Littleleaf, Tilia cordata |
| Linden, Mongolian, Tilia mongolica |
| Linden, Silver, Tilia tomentosa |
| Lindheimer's muhly, Muhlenbergia lindherimeri |
| Liriope, Creeping, Liriope spicata |
| Liriope, Liriope muscaria |
| Liriope, Silver Sunproof, Liriope exiliflora 'Silver Sunproof' |
| Lisianthus, Eustoma grandiflorum |
| Little bluestem, Schizachyrium scoparium |
| Little Darling rose, Rosa 'Little Darling' |
| Little sweet Betsy; Hugher's trillium, Trillium cuneatum |
| Live-forever, Wild, Sedum telepnoides |
| Liverleaf; Hepatica; Liverwort, Hepatica americana |
| Liverleaf; Hepatica; Liverwort, Hepatica americana |
| Livin' Easy rose, Rosa 'HARwelcome' |
| Lizard's tail, Saururus cernuus |
| Lizard's tail, Saururus cernuus |
| Lobelia, Downy, Lobelia puberula |
| Lobelia, Great, Lobelia siphilitica |
| Lobelia, Lobelia erinus |
| Lobelia, Pale-spike; Spiked lobelia, Lobelia spicata |
| Loblolly bay, Gordonia lasianthus |
| Locust, Black, Robinia pseudoacacia |
| Locust, Bristly, Robinia hispida |
| Log fern, Dryopteris celsa |
| London plane tree, Platanus x acerifolia |
| Long rayed triteleia, Brodiaea laxa (Triteleia) |
| Longwood Hybrid Victoria lily, Victoria 'Longwood Hybrid' |
| Loosestrife, Fringed, Lysimachia ciliata |
| Loosestrife, Gooseneck , Lysimachia clethroides |
| Loosestrife, Purple, Lythrum salicaria |
| Loosestrife, Whorled, Lysimachia quadrifolia |
| Loquat, Eriobotrya japonica |
| Loropetalum, Loropetalum chinensis |
| Loropetalum, Red leaf, Loropetalum chinensis var. rubrum |
| Lotus, American; Nelumbo, Nelumbo lutea |
| Louise water lily, Nymphaea 'Louise' |
| Lousewort; Wood betony, Pedicularis canadensis |
| Lovage, Levisticum officinale |
| Love and Peace rose, Rosa 'BALpeace' |
| Love Potion rose, Rosa 'JACsedi' |
| Love rose, Rosa 'JACtwin' |
| Love's Spring rose, Rosa 'Love's Spring' |
| Love-lies-bleeding, Amaranthus caudatus |
| Loving Touch rose, Rosa 'Loving Touch' |
| Lowland brittle fern; Southern fragile fern, Cystopteris protrusa |
| Luberton rose, Rosa 'Luberton' |
| Luciana; Pink Beauty water lily, Nymphaea 'Luciana' |
| Lucida water lily, Nymphaea 'Lucida' |
| Lungwort, Pulmonaria saccharata |
| Lupine, False; Bush pea; Thermopsis, Thermopsis villosa |
| Lupine, Hairy; Lady lupine, Lupinus villosus |
| Lupine, Lupinus spp. |
| Lupine, Southern, Thermopsis caroliniana |
| Lupine, Spreading, Lupinus diffusus |
| Lyonia, Fetterbush, Lyonia lucida |
| Lyonia, Lyonia ligustrina |
| Lyre-leaved sage, Salvia lyrata |