Juncus squarrosus
Heath Rush
Juniperus communis
Juniper
Kickxia elatine
Sharp-leaved Fluellen
Koenigia polystachya
Himalayan Knotweed
Laburnum anagyroides
Laburnum
Lactuca serriola
Prickly Lettuce
Lamiastrum galeobdolon
Yellow Archangel
Lamium purpureum
Red Dead-nettle
Larix
Bonsai Larch
Larix decidua
European Larch
Lathraea clandestina
Purple Toothwort
Lathraea squamaria
Toothwort
Lathyrus japonicus
Sea Pea
Lathyrus latifolius
Broad-leaved Everlasting-pea
Lathyrus nissolia
Grass Vetchling
Lathyrus oleraceus
Garden Pea
Lemna
Lemna minor
Common Duckweed
Lemna trisulca
Ivy-leaved Duckweed
Leontodon hispidus
Rough 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
Leptospermum scoparium
Broom Tea-tree
Leucanthemum vulgare
Oxeye Daisy
Leucojum aestivum
Summer Snowflake
Leycesteria formosa
Himalayan Honeysuckle
Licuala grande
Ruffled Fan Palm
Licuala peltata
Fan Palm
Ligustrum vulgare
Wild Privet
Lilium pyrenaicum
Pyrenean Lily
Limbarda crithmoides
Golden-samphire
Limonium binervosum agg.
Rock Sea-lavender (Newborough)
Limonium spp
Sea-lavender
Limosella aquatica
Mudwort
Linaria repens
Pale Toadflax
Linaria supina
Prostrate Toadflax
Linaria vulgaris
Common Toadflax
Linum catharticum
Fairy Flax
Linum usitatissimum
Liparis loeselii
Fen Orchid
Liriodendron tulipifera
Tulip-tree
Littorella uniflora
Shoreweed
Lobaria pulmonaria
Oak Lungwort
Lobelia dortmanna
Water Lobelia
Lobelia urens
Heath Lobelia
Logfia minima
Small Cudweed
Lonicera henryi
Henry's Honeysuckle
Lonicera periclymenum
Honeysuckle
Lotus corniculatus
Common Bird's-foot-trefoil
Ludwigia palustris
Hampshire-purslane
Lunaria annua
Honesty
Luzula campestris
Field Wood-rush
Luzula sylvatica
Great Wood-rush
Lycopodium clavatum
Stag's-horn Clubmoss
Lycopus europaeus
Gypsywort
Lysichiton americanus
American Skunk-cabbage
Lysimachia arvensis
Scarlet Pimpernel
Lysimachia maritima
Sea-milkwort
Lysimachia minima
Chaffweed
Lysimachia nemorum
Yellow Pimpernel
Lysimachia nummularia
Creeping-Jenny
Lysimachia tenella
Bog Pimpernel
Lythrum portula
Water-purslane
Lythrum salicaria
Purple-loosestrife
Magnolia campbellii
Campbell's Magnolia
Malus domestica
Apple