Leucojum aestivum
Summer Snowflake
Leycesteria formosa
Himalayan Honeysuckle
Ligustrum ovalifolium
Garden Privet
Ligustrum vulgare
Wild Privet
Limosella aquatica
Mudwort
Linaria purpurea
Purple Toadflax
Linaria repens
Pale Toadflax
Linum catharticum
Fairy Flax
Linum usitatissimum
Flax
Liparis loeselii
Fen Orchid
Liriodendron tulipifera
Tulip-tree
Lithospermum officinale
Common Gromwell
Lobelia dortmanna
Water Lobelia
Lobelia urens
Heath Lobelia
Lonicera periclymenum
Honeysuckle
Lotus corniculatus
Common Bird's-foot-trefoil
Luma apiculata
Chilean Myrtle
Lunaria annua
Honesty
Luzula nivea
Snow-white Wood-rush
Luzula pilosa
Hairy Wood-rush
Luzula sylvatica
Great Wood-rush
Lycopodium clavatum
Stag's-horn Clubmoss
Lycopus europaeus
Gypsywort
Lysichiton americanus
American Skunk-cabbage