A Flora of Northwest America

This field guide to the plants of Northwest America provides descriptions of over 3,000 species, as well as information about their distribution and habitats. Written by Thomas Howell, a botanist and professor at the University of Washington, the book is an invaluable resource for anyone interested in the flora of the Pacific Northwest.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.
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