Lathyrus japonicus
Sea Pea
Lathyrus latifolius
Broad-leaved Everlasting-pea
Lathyrus linifolius
Bitter-vetch
Lathyrus odoratus
Sweet Pea
Lathyrus pratensis
Meadow Vetchling
Lathyrus vernus
Spring Pea
Leonurus cardiaca
Motherwort
Lepidium heterophyllum
Smith's Pepperwort
Limosella aquatica
Mudwort
Limosella australis
Welsh Mudwort
Linaria purpurea
Purple Toadflax
Linaria repens
Pale Toadflax
Linum catharticum
Fairy Flax
Linum usitatissimum
Flax
Lithodora diffusa
Purple Gromwell 'Heavenly Blue'
Lithospermum officinale
Common Gromwell
Lobelia dortmanna
Water Lobelia
Lobelia urens
Heath Lobelia
Lotus subbiflorus
Hairy Bird's-foot-trefoil
Luma apiculata
Chilean Myrtle
Lunaria annua
Honesty
Lycopsis arvensis
Bugloss
Lycopus europaeus
Gypsywort
Lysimachia arvensis
Scarlet Pimpernel