The Handbook of Northwestern Plants has long been one of the most respected and widely used guides for identifying the plants of western Washington and Oregon. Earlier editions of this book have been used by thousands of botany students and other interested individuals to identify hundreds of different species of plants, while learning how to use analytical plant keys and the basic botanical terminology necessary to understand and accurately identify plants in the field.

Intended for use by teachers, students, scientists, amateur botanists, and outdoor enthusiasts, the Handbook of...