Ontario weeds
By: [by F. H. Montgomery and C. M. Switzer and C. H. Kingsbury.].
Contributors: Kingsbury, C. H.; Switzer, C. M. 1929-
Series: Publication / Ontario -- 505; Publication (Ontario. Dept. of Agriculture) -- 505
Publisher: Ontario Dept. of Agriculture
Published: 1961
Place of publication: Toronto
Language: eng
Number of pages: 116
Subjects: Weeds -- Ontario
Notes: Cover title.

4 p. of "Poison ivy" inserted at the end.

Includes index.