A Field Guide to Ferns

A Field Guide to Ferns
Author: Boughton Cobb
Publisher: Houghton Mifflin Harcourt
Total Pages: 306
Release: 1999-03
Genre: Nature
ISBN: 9780395975121

Identifies over five hundred species.

A Field Guide to Ferns and Their Related Families

A Field Guide to Ferns and Their Related Families
Author: Boughton Cobb
Publisher: Houghton Mifflin Harcourt
Total Pages: 448
Release: 2005
Genre: Nature
ISBN: 9780618394067

Presents a comprehensive field guide to the ferns of northeastern and central North America, and contains color photographs and full-page line drawings.