Problem thistles of Oregon
By: Oregon State University Extension Service and Oregon Department of Agriculture.
Contributors: French, Ken.; Burrill, L. C.; Oregon State University. Extension Service.; Oregon. State Dept. of Agriculture.
Series: EC -- 1288.; Extension circular (Oregon State University. Extension Service) -- 1288.
Publisher: Extension Service, Oregon State University
Published: 1989
Place of publication: Corvallis, Or
Language: eng
Number of pages: 10
Subjects: Thistles -- Oregon.
Notes: Title from cover.

"March 1989."