A field guide to Pacific States wildflowers
Subtitle: Washington, Oregon, California and adjacent areas
By: Theodore F. Niehaus ; illustrations by Charles L.  Ripper.
Contributors: Ripper, Charles L.
Series: The Peterson field guide series
Publisher: Houghton Mifflin
Published: 1976
Place of publication: Boston
Language: eng
Number of pages: 421
Subjects: Wild flowers -- Pacific States -- Identification
Genres: Identification.
Other titles: Pacific States wildflowers
Notes: Includes index.