Liriodendron tulipifera
Tulip-tree
Lithodora diffusa
Purple Gromwell 'Heavenly Blue'
Lithospermum officinale
Common Gromwell
Lithospermum purpureocaeruleum
Purple Gromwell
Littorella uniflora
Shoreweed
Lobelia dortmanna
Water Lobelia
Lobelia urens
Heath Lobelia
Lobularia maritima
Sweet Alison
Lonicera periclymenum
Honeysuckle
Lonicera xylosteum
Fly Honeysuckle
Lotus corniculatus
Common Bird's-foot-trefoil
Lotus pedunculatus
Greater Bird's-foot-trefoil
Lotus subbiflorus
Hairy Bird's-foot-trefoil
Lotus tenuis
Narrow-leaved Bird's-foot-trefoil
Ludwigia Palustris
Hampshire-purslane
Luma apiculata
Chilean Myrtle
Lunaria annua
Honesty
Lupinus polyphyllus
Garden Lupin
Lycium barbarum
Duke#of Argyll's Teaplant
Lycopus europaeus
Gypsywort
Lysimachia nemorum
Yellow Pimpernel
Lysimachia nummularia
Creeping-Jenny
Lysimachia punctata
Dotted Loosestrife
Lysimachia vulgaris
Yellow Loosestrife