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. - http://www.csdl.tamu.edu/FLORA/bonapfams/bonfpplp.htm
Polypodiaceae - Famine Foods - Compilation of food uses from around the world. - http://www.hort.purdue.edu/newcrop/faminefoods/ff_families/POLYPODIACEAE.html
Polypodiaceae: A Fern Family - Outline for a class by Dr. Alan Smith, University of California. - http://ucjeps.herb.berkeley.edu/jep_classes/Polypodiaceae.html
Genera in Polypodiaceae - Genus list with authorities and synonyms compiled at Royal Botanic Gardens, Kew. - http://www.rbgkew.org.uk/cgi-bin/web.dbs/genlist.pl?POLYPODIACEAE
Polypodiaceae - List of genera in Manual de Flora de Costa Rica. - http://www.mobot.org/manual.plantas/055607/F055607.html