Actinophlebia C. Presl = Cyathea Smith Alsophila R. Brown Amphicosmia Gardner = Alsophila R. Brown Chnoophora Kaulfuss = Cyathea Smith Cnemidaria C. Presl = Cyathea Smith Cnemidopteris Reichenbach = Cyathea Smith Cormophyllum Newm. = Cyathea Smith Cyathea Smith Dichorexia C. Presl = Alsophila R. Brown Disphenia C. Presl = Cyathea Smith Eatoniopteris Bomm. = Sphaeropteris Bernhardi Fourniera Bomm. = Sphaeropteris Bernhardi Gymnosphaera Blume = Alsophila R. Brown Hemitelia R. Brown = Cyathea Smith Hemistegia C. Presl = Cyathea Smith Hymenophyllopsis K. Goebel = Cyathea Smith Microstgnus C. Presl = Cyathea Smith Nephelea R. Tryon = Alsophila R. Brown Schizocaena J. Smith = Sphaeropteris Bernhardi Sphaeropteris Bernhardi Thysanobotrya Alderw. = Alsophila R. Brown Trichopteris C. Presl = Cyathea Smith
Synonymy from The Pteridophyte Phylogeny Group (2016).