Lobed Tickseed (spp.) Lobed Tickseed Dwarf
Lobed Tickseed 'Zamphir' Lobelia 'Fan Scarlet'
Lobelia 'Red' Lobelia, Big Blue (spp.)
Lobelia, Big Blue 'Blue Selection' Lobelia, Edging (spp.)
Lobelia, Edging 'Paper Moon' Lobelia, Garden (spp.)
Lobelia, Garden 'Paper Moon' Lobelia, Giant
Lobelia, Great Blue (spp.) Lobelia, Great Blue 'Blue Selection'
Lobelia, Great (spp.) Lobelia, Great 'Blue Selection'
Lobelia, Sierra Madre Lobelia, Trailing (spp.)
Lobelia, Trailing 'Paper Moon' Lobelia: laxiflora angustifolia
Lobelia: tupa 'Lobelioides' Hebe: franciscanahybrid
Loblolly Pine (spp.) Loblolly Pine Dwarf
Lobster Claw Lobster Claws
Lobster Plant (spp.) Lobster Plant 'Peterstar Silver Bells'
Lobster Plant 'V-14 Pink' Lobster Plant 'V-17 Angelika White'
Lobster Plant 'Winter Rose' Locust
Locust 'Idahoensis' Locust, Black (spp.)
Locust, Black 'Frisia' Locust, Black Golden
Locust, Black 'Purple Robe' Locust, Black 'Tortuosa'
Locust, Bristly Locust, Caspian Dwarf
Locust, Honey 'Elegantissima' Locust, Moss
Locust, New Mexico Locust, Thornless Honey 'Emerald Kascade'
Locust, Thornless Honey 'Halka' Locust, Thornless Honey 'Imperial'
Locust, Thornless Honey 'Moraine' Locust, Thornless Honey 'Shademaster'
Locust, Thornless Honey 'Skyline' Locust, Thornless Honey 'Summer Lace'
Locust, Thornless Honey 'Sunburst' Locust, Thornless Honey 'True Shade'
Locust, Thorny 'Elegantissima' Locust, Yellow (spp.)
Locust, Yellow 'Frisia' Locust, Yellow Golden
Locust, Yellow 'Purple Robe' Locust, Yellow 'Tortuosa'
Locust: neomexicana Locustberry
'Lodense' Common Privet Lodgepole Pine
Lodgepole Pine: contorta latifolia Loebner Magnolia 'Leonard Messel'
Lofty Fig Log Fern
'Lohengrin' Mallow 'Lois' Magnolia
'Lois Woodhull' Swedish Begonia: Plectranthus 'Lola' Red Hot Poker
Lollipop Plant Lomatium, Shiny
Lombardy Poplar 'Italica' Lompoc Manzanita
London Planetree (spp.) London Planetree 'Bloodgood'
London Planetree 'Columbia' London Planetree 'Liberty'
'London Pride' Saxifrage 'Lone Star' Waterlily