Algae, lichens, and mosses on plants
By: [by Arlen D. Davison].
Edition: [Rev. / by Ralph S. Byther]
Series: Plant diseases; EB -- 1050.; Extension bulletin (Washington State University. Cooperative Extension) -- 1050.
Publisher: Cooperative Extension, Washington State University
Published: 1992
Place of publication: [Pullman, Wash]
Language: eng
Notes: Caption title.

"April 1992."