Laburnum anagyroides
Laburnum
Laburnum x watereri
Hybrid Laburnum
Lactuca saligna
Least Lettuce
Lactuca serriola
Prickly Lettuce
Lactuca virosa
Great Lettuce
Lagerstroemia speciosa
Giant Crepe-myrtle
Lamiastrum galeobdolon
Yellow Archangel
Lamium album
White Dead-nettle
Lamium amplexicaule
Henbit Dead-nettle
Lamium hybridum
Cut-leaved Dead-nettle
Lamium maculatum
Spotted Dead-nettle
Lamium purpureum
Red Dead-nettle
Lantana camara
Common Lantana
Lantana canescens
Lantana montevidensis
Trailing Lantana
Laportea interuppta
Hen's Nettle
Lapsana communis
Nipplewort
Lathraea clandestina
Purple Toothwort
Lathraea squamaria
Toothwort
Lathyrus aphaca
Yellow Vetchling
Lathyrus japonicus
Sea Pea
Lathyrus laevigatus
Yellow Gess
Lathyrus latifolius
Broad-leaved Everlasting-pea
Lathyrus linifolius
Bitter-vetch
Lathyrus nissolia
Grass Vetchling
Lathyrus odoratus
Sweet Pea
Lathyrus oleraceus
Garden Pea
Lathyrus pratensis
Meadow Vetchling
Lathyrus sylvestris
Narrow-leaved Everlasting-pea
Lathyrus vernus
Spring Pea
Lavandula angustifolia
Garden Lavender
Leontodon hispidus
Rough Hawkbit
Leontodon saxatilis
Lesser Hawkbit
Leonurus cardiaca
Motherwort
Lepidium didymum
Lesser Swine-cress
Lepidium draba
Hoary Cress
Lepidium heterophyllum
Smith's Pepperwort
Lepidium latifolium
Dittander
Lepidium ruderale
Narrow-leaved Pepperwort
Lepidium sativum
Garden Cress
Leptospermum scoparium
Broom Tea-tree
Leucadendron salignum
Common#Sunshine Conebush
Leucaena leucocephala
Lead Tree
Leucanthemum vulgare
Oxeye Daisy
Leucophyllum frutescens
Texas Sage
Leuenbergeria bleo
Rose Cactus
Leycesteria formosa
Himalayan Honeysuckle
Ligustrum ovalifolium
Garden Privet
Ligustrum vulgare
Wild Privet
Limbarda crithmoides
Golden-samphire
Limonium binervosum agg.
Rock Sea-lavender (Newborough)
Limonium sinuatum
Wavyleaf Sea Lavender
Limonium spp
Sea-lavender
Limonium vulgare
Common Sea-lavender
Limosella aquatica
Mudwort
Limosella australis
Welsh Mudwort
Linaria alpina
Linaria arenaria
Sand Toadflax
Linaria purpurea
Purple Toadflax
Linaria repens
Pale Toadflax
Linaria supina
Prostrate Toadflax
Linaria vulgaris
Common Toadflax
Linaria x dominii
Linum catharticum
Fairy Flax
Linum perenne
Perennial Flax
Linum usitatissimum
Flax
Lipandra polysperma
Many-seeded Goosefoot
Liriodendron tulipifera
Tulip-tree
Lithodora diffusa
Purple Gromwell 'Heavenly Blue'
Lithospermum officinale
Common Gromwell