genus Kenyapithecus
genus Keteleeria
genus Khaya
genus Kiggelaria
genus Kinosternon
genus Kirkia
genus Klebsiella
genus Knightia
genus Kniphofia
genus Kobus
genus Kochia
genus Koellia
genus Kogia
genus Kohleria
genus Kolkwitzia
genus Kosteletzya
genus Krigia
genus Krypterophaneron
genus Kyphosus
genus Lablab
genus Laburnum
genus Laccopetalum
genus Lacerta
genus Lachnolaimus
genus Lactarius
genus Lactobacillus
genus Lactophrys
genus Lactuca
genus Laelia
genus Lagarostrobus
genus Lagenaria
genus Lagenophera
genus Lagerstroemia
genus Lagidium
genus Lagodon
genus Lagopus
genus Lagorchestes
genus Lagostomus
genus Lagothrix
genus Laguncularia
genus Lama
genus Lambertia
genus Lambis
genus Laminaria
genus Lamium
genus Lamna
genus Lampris
genus Lampropeltis
genus Languas
genus Lanius
genus Lansium
genus Lanthanotus
genus Laportea
genus Lappula
genus Lardizabala
genus Larix
genus Larrea
genus Larus
genus Lasiocampa
genus Lasiurus
genus Lasthenia
genus Lastreopsis
genus Lathyrus
genus Latimeria
genus Latrodectus
genus Laurus
genus Lavandula
genus Lavatera
genus Layia
genus Lebistes
genus Lecanopteris
genus Lecanora
genus Leccinum
genus Ledum
genus Leiopelma
genus Leiophyllum
genus Leipoa
genus Leishmania
genus Leitneria
genus Lemaireocereus
genus lemmus
genus Lemna
genus Lemur
genus Lens
genus Lentinus
genus Leonotis
genus Leontideus
genus Leontocebus
genus Leontodon
genus Leontopodium
genus Leonurus
genus Lepas
genus Lepechinia
genus Lepidium
genus Lepidobotrys
genus Lepidochelys
genus Lepidocybium
genus Lepidothamnus
genus Lepiota
genus Lepisma
genus Lepisosteus