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A Field Guide to Ferns and their related families : Northeastern and Central North America with a section on species also found in the British Isles and Western Europe (Peterson Field Guides(R))
A Field Guide to Ferns and their related families Northeastern and Central North America with a section on species also found in the British Isles and Western Europe - Peterson Field GuidesR Author:Boughton Cobb More than 500 species of northeastern and central North American ferns are described and illustrated, with helpful details such as color, leaf shapes, measurements, and root forms. An illustrated key aids in quick identification.