Ecoclass coding system for Pacific Northwest plant associations
By: Frederick C. Hall
Contributors: United States. Forest Service. Pacific Northwest Region
Publisher: U.S.D.A. Forest Service, Pacific Northwest Region
Published: 1984
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 83
Subjects: Botany -- Northwestern States -- Classification
Notes: "January 1984 (updated periodically)"

Includes index

"R6 Ecol 173-1984."

Bibliography: p. 15