A field guide to the ferns and their related families of northeastern and central North America : with a section on species also found in the British Isles and western Europe /
Cobb, Boughton.
A field guide to the ferns and their related families of northeastern and central North America : with a section on species also found in the British Isles and western Europe / Illustrated by Laura Louise Foster. - Boston : Houghton Mifflin, 1956, c 1963 - xviii, 281 p. : ill. ; 20 cm. - The Peterson field guide series, 10 .
Bibliography: p. [263]-267.
Ferns
North America
587.3 / COF 1963
A field guide to the ferns and their related families of northeastern and central North America : with a section on species also found in the British Isles and western Europe / Illustrated by Laura Louise Foster. - Boston : Houghton Mifflin, 1956, c 1963 - xviii, 281 p. : ill. ; 20 cm. - The Peterson field guide series, 10 .
Bibliography: p. [263]-267.
Ferns
North America
587.3 / COF 1963