Leontodon hispidus
Rough Hawkbit
Leonurus cardiaca
Motherwort
Lepidium didymum
Lesser Swine-cress
Lepidium draba
Hoary Cress
Lepidium ruderale
Narrow-leaved Pepperwort
Leucanthemum vulgare
Oxeye Daisy
Leucojum aestivum
Summer Snowflake
Lilium pyrenaicum
Pyrenean Lily
Limosella aquatica
Mudwort
Linaria repens
Pale Toadflax
Linaria vulgaris
Common Toadflax
Linum catharticum
Fairy Flax
Linum usitatissimum
Flax
Liriodendron tulipifera
Tulip-tree
Littorella uniflora
Shoreweed
Lobaria pulmonaria
Oak Lungwort
Logfia minima
Small Cudweed
Lolium perenne
Perennial Rye-grass
Lonicera pileata
Box-leaved Honeysuckle
Lunaria annua
Honesty
Luzula campestris
Field Wood-rush
Luzula pilosa
Hairy Wood-rush
Luzula sylvatica
Great Wood-rush
Lycopodium clavatum
Stag's-horn Clubmoss