Jacobaea aquatica
Marsh Ragwort
Juglans regia
Walnut
Juncus articulatus
Jointed Rush
Juncus bufonius
Toad Rush
Juncus compressus
Round-fruited Rush
Juncus inflexus
Hard Rush
Kalanchoe daigremontiana
Mother of Thousands
Kickxia elatine
Sharp-leaved Fluellen
Lactuca serriola
Prickly Lettuce
Lagarosiphon major
Curly Waterweed
Lamiastrum galeobdolon
Yellow Archangel
Lamium purpureum
Red Dead-nettle
Larix decidua
European Larch
Lasiocampa quercus
Oak Eggar
Lathraea squamaria
Toothwort
Lathyrus linifolius
Bitter-vetch
Lathyrus vernus
Spring Pea
Lemna gibba
Fat Duckweed
Lemna trisulca
Ivy-leaved Duckweed
Leontodon hispidus
Rough Hawkbit
Leonurus cardiaca
Motherwort
Lepidium didymum
Lesser Swine-cress
Lepidium ruderale
Narrow-leaved Pepperwort
Leucanthemum vulgare
Oxeye Daisy