This book has been distributed in all 50 states and 44 foreign countries. It includes 2-1/2 by 3-1/2 color photographs of seeds of 192 weedy plants, the description of each seed and its life span, a detailed identification key, and a glossary of terms.

Collecting and identifying weed seeds; Species and families included in the key; Using the key; Seed key; Weed seeds - photographs and descriptions; Glossary; Index to scientific names; Index to common names.

This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand

This encyclopedic yet easy-to-use 2-volume set covers 262 individual entries, including a full description of 451 species and another 361 plants compared as similar species, representing 63 plant families. 13 shortcut identification tables for groups that share similar, unusual, or relatively uncommon characteristics. 2 grass identification keys - a key

Weeds are a fascinating study for specialists, not only because of their economic importance, but also since in this case biology must be combined with history and agriculture (and its economic aspects). Thus, weed scientists may be concerned with pure basic research, concentrating on general aspects, or with applied science,