Common weeds of Canada. Gerald A. Mulligan.
Contributors: Canada. Dept. of Agriculture.
Publisher: Minister of Supply and Services
Published: 1987
Place of publication: [Ottawa]
Language: eng
Subjects: Weeds -- Canada.
Notes: Text in English and French in parallel columns, each with its own t.p. Annual.(irregular). Library keeps most recent edition. Includes index. See also:A22-8/1973

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