Pacific States wildflowers
Subtitle: field marks of species found in Washington, Oregon, California and adjacent areas : a visual approach arranged by color, form, and detail
By: text by Theodore F. Niehaus ; illustrations by Charles L. Ripper ; sponsored by the National Audubon Society and the National Wildlife Federation
Edition: Collector's lifetime ed.
Series: Roger Tory Peterson field guides
Publisher: Easton Press
Published: 1984
Place of publication: Norwalk, Conn
Language: eng
Number of pages: 432
Subjects: Wild flowers; Identification
Other titles: Pacific States wild flowers.
Work titles: Field guide to Pacific States wildflowers
Notes: At head of title: The fiftieth anniversary edition.

Previously published under title, A field guide to Pacific States wildflowers: field marks of species found in Washington, Oregon, California, and adjacent areas: a visual approach arranged by color, form, and detail (Boston: Houghton Mifflin, 1976).

Includes index.
Table of contents: title: White or whitish flowers; title: Yellow flowers; title: Orange flowers; title: Pink to red or red-purple flowers; title: Violet to blue or blue-purple flowers; title: Brown and green flowers.