Know what is edible and what is poisonous in the US.

Poisonous Plants of the United States

Science & Math

Muenscher, Walter Conrad Leopold

Biological Sciences

Macmillan Pub. Co.

<p>This is a compact and, in general, splendid manual of the herbaceous aquatic plants known to occur in the United States, based on many years of research by the author. Submersed and emersed species of fresh, brackish, and salt waters are included, as well as quite a few borderline species of bogs and salt marshes.</p>

Aquatic Plants of the United States

Nature & Ecology

Cornell Univ Pr

This major expansion and revision of W. C. Muenscher's popular reference work brings a wealth of botanical knowledge up to date in an easy-to-access format. Muenscher's Keys to Woody Plants enables its users to identify trees and shrubs in all seasons by means of diagnostic field characteristics including leaves, fruits, buds, twigs, and bark. Keys to Woody Plants was first published privately in 1922; Cornell University Press published the sixth edition in 1950. The new and expanded version of this classic identification tool for horticulturists, botanists, foresters, and ecologists treats 335 genera and 1,156 species of woody plants found in the northeastern United States. This is more than double the number covered by Muenscher's sixth edition and includes 570 cultivated species. Edward A. Cope's revision: * teaches concepts and terms necessary to all botanical identification * retains the simple structure of Muenscher's original keys * brings the nomenclature into line with current use * provides both a comprehensive key--including native, introduced, and cultivated species--and, for ease of use in the field, a separate key devoted to native and naturalized introduced species. *meets the needs of both novices and seasoned professionals * includes a bibliography of resources that allow the reader to move beyond identification and learn more about the woody plants

Keys to Woody Plants

Reference

Encyclopedias & Subject Guides

NCROL

Weeds (Comstock Book Series)

Engineering & Transportation

Engineering

Comstock Pub. Associates

<p>Identities and illustrates the common weeds of northern U.S. and Canada</p>

Weeds

Technology

Cornell University Press

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