Ontario weeds
By: [by F. H. Montgomery and C. M. Switzer.]
Contributors: Switzer, C. M., 1929- joint author.
Series: Ontario. Dept. of Agriculture and Food. Publication; 505; Publication (Ontario. Dept. of Agriculture and Food) ;; 505.
Publisher: Ontario Dept. of Agriculture and Food
Published: 1966
Place of publication: Toronto
Language: eng
Number of pages: 141
Subjects: Weeds -- Ontario -- Identification.
Notes: Cover title.