Kickxia elatine
Sharp-leaved Fluellen
Knautia arvensis
Field Scabious
Koenigia polystachya
Himalayan Knotweed
Laburnum anagyroides
Laburnum
Laburnum x watereri
Hybrid Laburnum
Lactarius torminosus
Wooly Milk Cap
Lactuca saligna
Least Lettuce
Lactuca serriola
Prickly Lettuce
Laetiporus sulphureus
Sulphur Polypore
Lagarosiphon major
Curly Waterweed
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 purpureum
Red Dead-nettle
Lapsana communis
Nipplewort
Larix decidua
European Larch
Larix x marschlinsii
Hybrid Larch
Lathraea clandestina
Purple Toothwort
Lathraea squamaria
Toothwort
Lathyrus aphaca
Yellow Vetchling
Lathyrus japonicus
Sea Pea
Lathyrus latifolius
Broad-leaved Everlasting-pea