powdery mildews of Washington
By: by W.H. Lawrence.
Series: Bulletin -- no. 70.; Bulletin (Agricultural College, Experiment Station, and School of Science of the State of Washington) -- no. 70.
Publisher: Washington State Agricultural College and School of Science, Experiment Station
Published: 1905
Place of publication: Pullman, Wash
Language: eng
Number of pages: 16
Subjects: Powdery mildew diseases -- Washington (State)
Notes: Cover title.