home - varenlinks - pteridologie
 
 
 
Hortus Botanicus
Leiden [nl]
 
Maarten Christenhusz / Amazon Research
University of Turku, Turku [fi]
 
Pteridology Lab / Ronnie Viane 
University of Ghent, Gent [be]
 
Phyto Images Southern Illinois University 
Carbondale, Illinois [us]
 
The Polystichum Homepage, Dave Barrington 
The University of Vermont, Burlington [us]
 
Ecology & Evolutionary Biology / EEB
University of Connecticut, Storrs [us]
 
Kathleen M. Pryer’s Lab / Duke University,
Durham, North Carolina [us]
 
School of Biological Sciences, Faculty of Science
The University of Auckland, Auckland [au]
 
Australian National Botanic Gardens,
Australian National Herbarium, Canberra [au]
 
Pteridología en el Instituto de Ecología, A.C,
Xalapa, Veracruz [mx]
 
Literature-list World Ferns and Fern Allies
Michael Hassler and Brian Swale [nz]
 
Farndatenbank
Ralf Appelt, Schlangenbad [de]
 
Leptosporangiate Ferns
Kathleen M. Pryer and Alan R. Smith [us]
 
The Ferns Identification Database
Mid Wales [uk]
 
The Hardy Fern Library
Tom Stuart [us]