Iris foetidissima
Stinking Iris
Iris pseudacorus
Yellow Iris
Iris sibirica
Siberian Iris
Iris unguicularis
Algerian Iris
Isatis tinctoria
Woad
Jasione montana
Sheep's-bit
Jasminum nudiflorum
Winter Jasmine
Juglans regia
Walnut
Juniperus communis
Juniper
Juniperus recurva
Himalayan Juniper
Kickxia elatine
Sharp-leaved Fluellen
Knautia arvensis
Field Scabious
Knautia dipsacifolia
Wood Scabious
Kunzea baxteri
Scarlet Kunzea
Laburnum anagyroides
Laburnum
Laburnum x watereri
Hybrid Laburnum
Lactuca saligna
Least Lettuce
Lactuca serriola
Prickly Lettuce
Lactuca virosa
Great Lettuce
Lagarosiphon major
Curly Waterweed
Lamiastrum galeobdolon
Yellow Archangel
Lamium album
White Dead-nettle
Lamium amplexicaule
Henbit Dead-nettle
Lamium hybridum
Cut-leaved Dead-nettle