Fern Finder: A Guide to Native Ferns of Central and Northeastern United States and Eastern Canada (Nature Study Guides) / Hallowell, Barbara

A pocket guide to identifying native ferns that grow in the U.S. Midwest and Northeast, and eastern Canada. Like other plant guides in the "Finders" series, "Fern Finder" is a dichotomous key, which leads the user step-by-step through a series of choices to the species being identified. Heavily illustrated with line drawings.