The genus Pseudotsuga
Subtitle: ancestral history and past distribution
By: R.K. Hermann.
Contributors: Oregon State University. Forest Research Laboratory.
Series: Special publication / Forest Research Laboratory, College of Forestry, Oregon State University -- 2b.; Special publication (Oregon State University. Forest Research Laboratory) -- 2b.
Publisher: Forest Research Laboratory, College of Forestry, Oregon State University
Published: 1985
Place of publication: Corvallis, OR
Language: eng
Number of pages: 32
Subjects: Pseudotsuga.; Douglas fir.
Notes: Title from cover.

"October 1985."

Bibliography: p. 25-32.