A Key to the Families of Washington Plants

This book is a comprehensive guide to the plant families found in Washington state. Written by two prominent botanists, Ella C. Engstrom and Theodore Christian Frye, it provides detailed descriptions and illustrations of each plant family, making it an essential reference tool for both amateur and professional botanists.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.

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