Soft cover; 432 pages
Sponsored by the National Audubon Society, the National Wildlife Federation, and the Roger Tory Peterson Institute
The Peterson Identification System Roger Tory Peterson's unique system shows exactly what features to look for to tell one species from another.
Ease of Use Peterson Field Guides are designed to work in the field, and every illustration, every word, is directed to that end.
The Authors and Illustrators For each Field Guide, an author with expertise in the subject and an experienced artist worked closely with the editors to ensure that both text and illustrations are accurate.
Here are descriptions and illustrations of 1,492 species from 77 families—virtually all of the wildflowers found from British Columbia to Baja California, from the Rocky Mountains to the Pacific Ocean. Grouped by color, each species description includes field marks, size, habitat, range, flowering season, and common and scientific names.