Adiantum fragile
- Description and several photographs of this fern growing in its natural habitat in Cuba.
- http://www.cybertruffle.org.uk/vinales/eng/adiantum_fragile.htm

Adiantum
- Characteristics of the genus and detailed description of the Maidenhair Fern, Adiantum capillus-veneris, with photographs.
- http://www.rogergolding.co.uk/ferns/ferngenus/adiantum.html

Stem of Adiantum
- Micrograph of cross section showing stele.
- http://www.uri.edu/cels/bio/plant_anatomy/80.html

Four Puerto Rican Ferns
- Declared endangered by the U.S. Fish and Wildlife Service. Includes description and general information for Adiantum vivesii Proctor.
- http://endangered.fws.gov/r/fr93504.html

Adiantum aleuticum
- Photograph and growing guide for the Pacific Northwest of the United States and Canada.
- http://rainyside.com/features/plant_gallery/nativeplants/Adiantum_aleuticum.html

Adiantum tetraphyllum Humb. & Bonpl. ex Willd.
- World distribution from Ferns of Barbados.
- http://scitec.uwichill.edu.bb/bcs/staff/lec/Fern_species/adiantum_tetraphyllum.htm

Adiantum reniforme
- Photographic image.
- http://www.nhm.ac.uk/hosted_sites/bps/rasbach/RAS004M.JPG

Adiantum latifolium Lam.
- Distribution data and more from Ferns of Barbados.
- http://scitec.uwichill.edu.bb/bcs/staff/lec/Fern_species/adiantum_latifolium.htm

Adiantum villosum L.
- Taxonomic data and mapped distribution from Atlas of Florida Vascular Plants.
- http://www.plantatlas.usf.edu/main.asp?plantID=1552

Adiantum trapeziforme L.
- Taxonomic data and mapped distribution of Atlas of Florida Vascular Plants.
- http://www.plantatlas.usf.edu/main.asp?plantID=1528

Adiantum melanoleucum Willd.
- Taxonomic data and mapped distribution from Atlas of Florida Vascular Plants.
- http://www.plantatlas.usf.edu/main.asp?plantID=2714

Adiantum caudatum L.
- Taxonomic data and mapped distribution from Atlas of Florida Vascular Plants.
- http://www.plantatlas.usf.edu/main.asp?plantID=1997

Adiantum anceps Maxon & C.V.Morton
- Taxonomic data and mapped distribution from Atlas of Florida Vascular Plants.
- http://www.plantatlas.usf.edu/main.asp?plantID=1618