family leiopelmatidae

family leitneriaceae

family lemnaceae

family lemuridae

family lennoaceae

family lentibulariaceae

family lepadidae

family lepidobotryaceae

family lepidodendraceae

family lepiotaceae

family lepismatidae

family lepisosteidae

family leporidae

family leptodactylidae

family leptotyphlopidae

family liliaceae

family limacidae

family limulidae

family linaceae

family line

family liopelmidae

family liparidae

family liparididae

family lithodidae

family littorinidae

family loasaceae

family lobeliaceae

family lobotidae

family locustidae

family loganiaceae

family lomariopsidaceae

family lophiidae

family lophosoriaceae

family loranthaceae

family lorisidae

family loxomataceae

family lucanidae

family lutjanidae

family luvaridae

family lycaenidae

family lycoperdaceae

family lycopodiaceae

family lycosidae

family lygaeidae

family lymantriidae

family lythraceae

family machilidae

family macropodidae

family macrorhamphosidae

family macrouridae

family macruridae

family magnoliaceae

family majidae

family malacanthidae

family malpighiaceae

family malvaceae

family mammutidae

family man

family manidae

family manteidae

family mantidae

family mantispidae

family marantaceae

family marattiaceae

family marchantiaceae

family marsileaceae

family martyniaceae

family mastodontidae

family mastotermitidae

family mayacaceae

family medicine

family megachilidae

family megadermatidae

family megalonychidae

family megalosauridae

family megapodiidae

family megatheriidae

family melampsoraceae

family melanthiaceae

family melastomaceae

family melastomataceae

family meleagrididae

family meliaceae

family meliphagidae

family meloidae

family membracidae

family men

family menispermaceae

family menuridae

family menyanthaceae

family meropidae

family micrococcaceae

family microdesmidae

family microhylidae

family mimidae

family mimosaceae

family miridae

family mniaceae

family mobulidae

family molidae