Lastreopsis, Genus
Lateristachys, Genus
Lecanopteris, Genus
Lellingeria, Genus
Lemmaphyllum, Genus
Lepidomicrosorium, Genus
Lepisorus, Genus
Leptochilus, Genus
Leptolepia, Genus
Leptopteris, Genus
Leucostegia, Genus
Leucotrichum, Genus
Lindsaea, Genus
Llavea, Genus
Lomagramma, Genus
Lomaphlebia, Genus
Lomaria, Genus
Lomaridium, Genus
Lomariocycas, Genus
Lomariopsis, Genus
Lonchitis, Genus
Lophosoria, Genus
Lorinseria, Genus
Loxogramme, Genus
Loxsoma, Genus
Loxsomopsis, Genus
Luisma, Genus
Lycopodiastrum, Genus
Lycopodiella, Genus
Lycopodium, Genus
Lygodium, Genus
Lytoneuron, Genus