| Genera in Polypodiaceae: Genus list with authorities and synonyms compiled at Royal Botanic Gardens, Kew. |
| Polypodiaceae: Expandable thumbnail images of three Hawaiian representatives of this family of mostly epiphytic or sometimes terrestrial ferns comprising about 50 genera and 550 mostly tropical species. |
| Polypodiaceae: Images from the Vascular Plant Image Gallery at Texas A&M University (Platycerium bifurcatum, Pleopeltis polypodioides, Polypodium sp.). |
| Polypodiaceae: List of genera in Manual de Flora de Costa Rica. |
| Polypodiaceae - Famine Foods: Compilation of food uses from around the world. |
| Polypodiaceae Listing (BONAP): Query the Biota of North America Program text database for eleven genera, view generic diversity maps, or a Family-level diversity map. |
| Polypodiaceae: A Fern Family: Outline for a class by Dr. Alan Smith, University of California. |
Classical
