; Anal. Hist. Nat. 1: 115 (1799) s. l.
Distribution: Pantropical and south-temperate, America (35-40). Inclusion of many previous split genera fide Dong (2014) and Wang et al. (2014). Fraser-Jenkins et al. (2018) argue for keeping at least Heterogonium separate, and Dong et al. (2017) separate Polydictyum again.
= Aenigmopteris Holttum; Blumea 30: 3 (1984)
= Amphiblestra C.Presl; Tent. Pterid. 150 (1836)
= Aspidium Sw.; J. Bot. (Schrader) 1800(2): 4, 29 (1802) (nom. superfl.)
= Bathmium (C.Presl) Link; Fil. Spec. 99, 114 (1841) (nom. superfl.)
= Camptodium Fée; Mém. Foug. 5 (Gen. Fil.): 289 (1852)
= Cardiochlaena Fée; Mém. Foug. 5 (Gen. Filic.): 314 (1852)
= Chlamydogramme Holttum; Gard. Bull. Singapore 39(2): 157 (1986 publ. 1987)
= Cionidium T.Moore; Gard. Companion Florists´ Guide 1852: 143 (1852)
= Ctenitopsis Ching ex Tardieu & Christensen; Notul. Syst. (Paris) 7: 86 (1938)
= Depariopsis Baker; Ann. Bot. (Oxford) 5: 462 (1891)
= Dictyoxiphium Hook.; Gen. Fil. t. 62 (1840)
= Dryomenis Fée; Mém. Foug. 5. (Gen. Filic.) 225 (1852)
= Fadyenia Hook.; Gen. Fil. t. 53 (1840)
= Grammatosorus Regel; Index Seminum (LE, Petropolitanus) 1866: 75 (1867)
= Hemigramma Christ; Bull. Herb. Boissier, sér, 2, 6: 1006 (1906)
= Heterogonium C.Presl; Abh. Königl. Böhm. Ges. Wiss., ser. 5, 6: 142 (1851)
= Lenda Koidz.; Acta Phytotax. Geobot. 5: 142 (1936)
= Lobochlaena Fée; Mém. Foug. 5 (Gen. Filic.): 315 (1852)
= Luerssenia Kuhn ex Luerss.; Bot. Centralbl. 11: 77 (1882)
= Melanopteris J.Sm.ms. ex Hook.; Baker, Syn. 258 (1867)
= Microbrochis C.Presl; Abh. Königl. Böhm. Ges. Wiss. 5(6) (Epim. Bot.): 51 (1851)
= Palma-Filix Adans.; (1763)
= Patanema J.Sm.; T. Moore, Ind. 98 (1857)
= Phlebiogonium Fée; Mém. Foug. 5 (Gen. Filic.): 314 (1852)
= Podopeltis Fée; Mém. Foug. 5 (Gen. Filic.): 286 (1852)
= Psomiocarpa C.Presl; Abh. Königl. Böhm. Ges. Wiss. 5(6) (Epim. Bot.): 161 (1851)
= Quercifilix Copel.; Philipp. J. Sci. 37: 408 (1928)
= Sagenia C.Presl; Tent. Pterid. 86 (1836)
= Stenosemia C.Presl; Tent. Pterid.: 237 (1836)
= Tectaridium Copel.; Philipp. J. Sci. 30: 329 (1926)
= Trichiocarpa (Hook.) J.Sm.; Cat. Kew Ferns 7 (1856) (nom. superfl.)
= xPleuroderris Maxon; J. Washington Acad. Sci. 24: 550 (1934)