Campyloneurum C. Presl
- Plant profile from USDA Natural Resources Conservation Service includes USA distribution maps.
- http://plants.usda.gov/java/profile?symbol=CAMPY

Lineages in the Andes: Campyloneurum
- Abstract from the International Botanical Congress 1999.
- http://www.biologie.uni-hamburg.de/b-online/ibc99/ibc/abstracts/listen/abstracts/2256.html

Campyloneurum
- World list of the species of Campyloneurum (Polypodiaceae).
- http://homepages.caverock.net.nz/~bj/fern/campyloneurum.htm

Genus Campyloneurum
- Species list with hyperlinks to specimen data from Instituto Nacional de Biodiversidad, Costa Rica.
- http://www.inbio.ac.cr/bims/k03/p11/c043/o0226/f01501/g008745.htm