Juncus compressus
Round-fruited Rush
Juncus effusus
Soft-rush
Juncus gerardii
Saltmarsh Rush
Juncus inflexus
Hard Rush
Juncus squarrosus
Heath Rush
Juncus subnodulosus
Blunt-flowered Rush
Juncus tenuis
Slender Rush
Juniperus communis
Juniper
Knautia arvensis
Field Scabious
Koenigia polystachya
Himalayan Knotweed
Laburnum anagyroides
Laburnum
Laburnum x watereri
Hybrid Laburnum
Lagarosiphon major
Curly Waterweed
Lamiastrum galeobdolon
Yellow Archangel
Lamium album
White Dead-nettle
Lamium maculatum
Spotted Dead-nettle
Larix decidua
European Larch
Larix kaempferi
Japanese Larch
Larix x marschlinsii
Hybrid Larch
Lathraea squamaria
Toothwort
Lathyrus japonicus
Sea Pea
Lathyrus latifolius
Broad-leaved Everlasting-pea
Lathyrus linifolius
Bitter-vetch
Lathyrus pratensis
Meadow Vetchling
Lathyrus sylvestris
Narrow-leaved Everlasting-pea
Laurus nobilis
Bay
Lemna gibba
Fat Duckweed
Lemna minor
Common Duckweed
Lemna minuta
Least Duckweed
Lemna trisulca
Ivy-leaved Duckweed
Leontodon hispidus
Rough Hawkbit
Leontodon saxatilis
Lesser Hawkbit
Lepidium draba
Hoary Cress
Lepidium latifolium
Dittander
Leucanthemum vulgare
Oxeye Daisy
Leucojum aestivum
Summer Snowflake
Leucojum vernum
Spring Snowflake
Leycesteria formosa
Himalayan Honeysuckle
Leymus arenarius
Lyme-grass
Ligustrum ovalifolium
Garden Privet
Ligustrum vulgare
Wild Privet
Lilium martagon
Martagon Lily
Limbarda crithmoides
Golden-samphire
Limonium binervosum agg.
Rock Sea-lavender (Newborough)
Limonium vulgare
Common Sea-lavender
Linaria purpurea
Purple Toadflax
Linaria repens
Pale Toadflax
Linaria vulgaris
Common Toadflax
Linum perenne
Perennial Flax
Liparis loeselii
Fen Orchid
Lithospermum officinale
Common Gromwell
Littorella uniflora
Shoreweed
Lobelia dortmanna
Water Lobelia
Lobelia urens
Heath Lobelia
Lolium perenne
Perennial Rye-grass
Lonicera periclymenum
Honeysuckle
Lonicera xylosteum
Fly Honeysuckle
Lotus corniculatus
Common Bird's-foot-trefoil
Lotus pedunculatus
Greater Bird's-foot-trefoil
Lotus tenuis
Narrow-leaved Bird's-foot-trefoil
Lupinus polyphyllus
Garden Lupin
Luronium natans
Floating Water-plantain
Luzula campestris
Field Wood-rush
Luzula multiflora
Heath Wood-rush
Luzula pilosa
Hairy Wood-rush
Luzula sylvatica
Great Wood-rush
Lycium barbarum
Duke#of Argyll's Teaplant
Lycopodium clavatum
Stag's-horn Clubmoss
Lycopus europaeus
Gypsywort
Lysichiton americanus
American Skunk-cabbage