| Polypodium in Nicaragua F C Seymour (1975) Phytologia 31: 129-192 | |
| New species and new combinations of ferms from Chiapas, Mexico Alan Reid Smith (1975) Proceedings of the California Academy of Sciences 40: 209-230 | |
| Caobangia, a new genus and species of (Polypodiaceae) from Vietnam A R Smith and Z Xian-Chun (2002) Novon 12: 546-550 | |
| Una nueva combinación en Microgramma C. Presl (Pteridophyta--Polypodiaceae) E R De La Sota (2007) Novon 17: 27-28 |