Saccoloma, Genus
Sadleria, Genus
Salpichlaena, Genus
Salvinia, Genus
Sceptridium, Genus
Schizaea, Genus
Scleroglossum, Genus
Scoliosorus, Genus
Selaginella, Genus
Selliguea, Genus
Serpocaulon, Genus
Sphaeropteris, Genus
Sphaerostephanos, Genus
Sphenomeris, Genus
Spinulum, Genus
Stegnogramma, Genus
Steiropteris, Genus
Stenochlaena, Genus
Stenogrammitis, Genus
Sticherus, Genus
Stigmatopteris, Genus
Stromatopteris, Genus
Struthiopteris, Genus
Synammia, Genus
Syngramma, Genus