Comprehensive information about the taxonomy and distribution of Australian region ferns and allies as well at general information about pteridophytes.

Images and information about ferns and other pteridophytes; activities of the society including publication of the Fern Gazette, Pteridologist, and Bulletin.

A compiled list of the ferns and fern allies of the world, with full botanical names, information about where they are found, and their classification.

A detailed introduction to the ferns and fern allies.

Part of the W3Tropicos database at the Missouri Botanical Garden.

An illustrated introduction to the ferns and fern allies for undergraduate students.

Brief introduction.

West Indian type specimens in the herbarium of the New York Botanical Garden.

Personal site with a classification scheme, bibliography, some local checklists (Ohio and Kentucky), and an article on ferns and soil conservation.

A classification of the ferns and their allies - a work in progress at the Australian National Herbarium.