Cactaceae

Lactomamillaria
Lasiocereus
Lemaireocereus
Leocereus
Lepidocoryphantha
Lepismium
Leptocereus
Leptocladia
Leptocladodia
Leuchtenbergia
Leuchtenfera
Leucostele
Lobeira
Lobivia
Lophocereus
Lophophora
Loxanthocereus
Lutterlohara
Lymanbensonia