Leaf spot of madrone
By: [Arlen D. Davison].
Edition: Rev.
Series: Plant diseases; Extension mimeo -- 2951.; Extension mimeo (Washington State University. Cooperative Extension) -- 2951.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1973
Place of publication: Pullman
Language: eng
Notes: Caption title.

"April 1973."

"E.M. 2951."