There are a number of fine websites which I have enjoyed through the years. These are all worth a visit.
Aussie fern grower extraordinaire Keith Rogers provides growing tips, including growing from spores at the Australian Fern Society site, http://users.chariot.net.au/~saufern/index
Roy has collaborated with Lourens Oppermann to create an informational site at www.platycerium.co.za.
Harry Witmore shares the varied interests of most tropical plant growers. His site, www.cloudjungle.com covers many interesting plants, including ferns.
Another site showing beautiful ways to display and grow is Exotic Rainforest, http://exoticrainforest.com/. This site also has good information about many tropical genera.
A number of fern societies have useful information, or worthwhile links:
Tropical Fern & Exotic Plant Society A Miami/South Florida society, with a focus on tropical ferns.
www.laifs.org The Los Angeles International Fern Society
For info on ant inhabited plants, check out an updated article by Frank Omilan, Franklin Omilan article revision 9-08 form vs moseley.pdf