Ferns & Fern Allies
For a description and a peek inside, click the cover.
Peterson Field Guide to Ferns of Northeastern and Central North America
Boughton Cobb, and Elizabeth Farnsworth and Cheryl Lowe for the New England Wild Flower Society
To select from a dropdown list of genera, type only the first 2-3 letters.
If "briar" doesn't deliver the results you want, try an alternate spelling such as "brier", etc.