Jacobaea vulgaris
Common Ragwort
Jasione montana
Sheep's-bit
Jasminum nudiflorum
Winter Jasmine
Jatropha gossypiifolia
Bellyache Bush
Jatropha integerrima
Jatropha podagrica
Gout-plant
Juncus acutiflorus
Sharp-flowered Rush
Juncus articulatus
Jointed Rush
Juncus bufonius
Toad Rush
Juncus compressus
Round-fruited Rush
Juncus effusus
Soft-rush
Juncus gerardii
Saltmarsh Rush
Juncus squarrosus
Heath Rush
Justicia brandegeeana
Shrimp Plant
Justicia croceochlamys
Water-willow
Justicia fulvicoma
Mexican Plume
Kickxia elatine
Sharp-leaved Fluellen
Knautia arvensis
Field Scabious
Knautia dipsacifolia
Wood Scabious
Koenigia polystachya
Himalayan Knotweed
Kunzea baxteri
Scarlet Kunzea
Laburnum anagyroides
Laburnum
Laburnum x watereri
Hybrid Laburnum
Lactuca saligna
Least Lettuce
Lactuca serriola
Prickly Lettuce
Lactuca virosa
Great Lettuce
Lagerstroemia speciosa
Giant Crepe-myrtle
Lagurus ovatus
Hare's-tail
Lamiastrum galeobdolon
Yellow Archangel
Lamium album
White Dead-nettle
Lamium amplexicaule
Henbit Dead-nettle
Lamium hybridum
Cut-leaved Dead-nettle
Lamium maculatum
Spotted Dead-nettle
Lamium purpureum
Red Dead-nettle
Lantana camara
Common Lantana
Lantana canescens
Lantana montevidensis
Trailing Lantana
Lapsana communis
Nipplewort
Lathraea clandestina
Purple Toothwort
Lathraea squamaria
Toothwort
Lathyrus aphaca
Yellow Vetchling
Lathyrus japonicus
Sea Pea
Lathyrus latifolius
Broad-leaved Everlasting-pea
Lathyrus linifolius
Bitter-vetch
Lathyrus nissolia
Grass Vetchling
Lathyrus odoratus
Sweet Pea
Lathyrus oleraceus
Garden Pea
Lathyrus pratensis
Meadow Vetchling
Lathyrus sylvestris
Narrow-leaved Everlasting-pea
Lathyrus vernus
Spring Pea
Laurus nobilis
Bay
Lavandula angustifolia
Garden Lavender
Leontodon hispidus
Rough Hawkbit
Leontodon saxatilis
Lesser 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
Lepidium sativum
Garden Cress
Leptospermum scoparium
Broom Tea-tree
Leucadendron salignum
Common#Sunshine Conebush
Leucaena leucocephala
Lead Tree
Leucanthemum vulgare
Oxeye Daisy
Leucojum aestivum
Summer Snowflake
Leucojum vernum
Spring Snowflake
Leucophyllum frutescens
Texas Sage
Leuenbergeria bleo
Rose Cactus
Leycesteria formosa
Himalayan Honeysuckle