Lichens on Douglas fir trees
By: by Nils Edin.
Published: 1941
Language: eng
Number of pages: 39
Subjects: Lichens.; Douglas fir -- Diseases and pests.
Notes: Includes mounted photographs.

Typescript.

From the Oregon State College School of Forestry collection of senior forestry papers, 1910-1956.

Includes bibliographical references (leaf 31).