Lamium x 'Cecilia Lee' Lamium album 'Friday'
Lamium byzantinum Lamium galeobdolon
Lamium galeobdolon 'Florentinum' Lamium galeobdolon 'Herman's Pride'
Lamium galeobdolon 'Variegatum' Lamium maculatum
Lamium maculatum 'Anne Greenaway' Lamium maculatum 'Aureum'
Lamium maculatum 'Beacon's Silver' Lamium maculatum 'Beedham's White'
Lamium maculatum 'Chequers' Lamium maculatum 'Golden Anniversary'
Lamium maculatum 'Orchid Frost' Lamium maculatum 'Pink Pewter'
Lamium maculatum 'Purple Dragon' Lamium maculatum 'Shell Pink'
Lamium maculatum 'White Nancy' Lampranthus aurantiacus
Lampranthus aurantiacus 'Sunman' Lampranthus deltoides
Lampranthus spectabilis Lampranthus vredenbergensis
Lantana camara 'Bandana RoseŽ Bante Rossa' Lapidaria margaretae
Lastreopsis microsora var. pentangularis Lathyrus latifolius
Laurentia fluviatilis Lavandula stoechas 'Kew Red'
Lavandula stoechas 'Silver Anouk' Lavatera x 'Red Rum'
Lavatera thuringiaca 'Barnsley' Lavatera thuringiaca 'Bredon Springs'
Lavatera thuringiaca 'Candy Floss' Lavatera thuringiaca 'Kew Rose'
Ledebouria socialis Ledebouria socialis 'Variegata'
Lemna gibba Leonotis cardiaca
Leonotis leonurus Leonotis leonurus 'Alba'
Leonotis menthifolia Leontopodium alpinum
Lepisorus bicolor Lespedeza x 'Homolosa'
Lespedeza capitata Lespedeza cuneata
Lespedeza thunbergii Lespedeza thunbergii 'Gilbraltar'
Leucanthemum x superbum Leucanthemum x superbum 'Aglaia'
Leucanthemum x superbum 'Alaska' Leucanthemum x superbum 'Becky'
Leucanthemum x superbum 'Crazy Daisy' Leucanthemum x superbum 'Filigran'
Leucanthemum x superbum 'Little Princess' Leucanthemum x superbum 'Marconi'
Leucanthemum x superbum 'Silver Princess' Leucanthemum x superbum 'Snow Lady'
Leucanthemum x superbum 'Snowcap' Leucanthemum x superbum 'Summer Snowball'
Leucanthemum x superbum 'Switzerland' Leucanthemum x superbum 'Thomas Killen'
Leucanthemum vulgare Leucojum aestivum
Leucojum autumnale 'Oporanthum' Leucophyta brownii 'Silver Bush'
Leucospermum cordifolium Leucospermum tottum
Levisticum officinale Lewisia cotyledon
Lewisia cotyledon 'Ashwood Strain' Lewisia cotyledon 'Hybrid Mix'
Lewisia longipetala 'Little Plum' Leymus arenarius
Leymus arenarius 'Glauca' Leymus condensatus
Leymus condensatus 'Canyon Prince' Leymus secalinus
Liatris ligulistylis Liatris microcephala
Liatris pycnostachya Liatris spicata
Liatris spicata 'Alba' Liatris spicata 'Floristan Violet'
Liatris spicata 'Kobold' Libertia formosa
Libertia ixioides Libertia peregrinans
Ligularia x 'Sungold' Ligularia dentata
Ligularia dentata 'Britt-Marie Crawford' Ligularia dentata 'Desdemona'
Ligularia dentata 'Othello' Ligularia przewalskii
Ligularia stenocephala 'The Rocket'