Keys to the Families and Genera of Vascular Plants in Northwest California

Covers the area from Oregon to the southern border of Mendocino County, and from the coast to Redding. Includes not only all native genera but also introduced ones. Includes keys based on reproductive characters, as well as keys to conifers and broad-leaved woody plants based on vegetative features. Also includes notes on habitat and salient features of each plant. Revised with family descriptions, information on toxicity and eligibility and uses of plants added. New to this 5th edition are a glossary and an index to genera and common names as well as highlighting of sensitive species.