Boughton Cobb is a contributor for the following Houghton Mifflin Company Title: A Field Guide to Ferns and their Related Families
Cheryl Lowe is a contributor for the following Houghton Mifflin Company Title: Peterson Field Guide to Ferns, Second Edition
Laura Louise Foster is a contributor for the following Houghton Mifflin Company Title: A Field Guide to Ferns and their Related Families
Roger Tory Peterson, one of the world"s greatest naturalists, received every major award for ornithology, natural science, and conservation, as well as numeroushonorary degrees, medals, and citations, including the Presidential Medal of Freedom. The Peterson Identification System has been called the greatest invention since binoculars, and the Peterson Field Guides� are credited with helping to set the stage for the environmental movement.