Weed seeds
By: illustrated in colour.
Contributors: Canada. Dept. of Agriculture. Production Service. Division of Plant Products.
Place of publication: Ottawa, Canada
Language: eng
Subjects: Weeds.; Seeds.
Notes: At head of title: Canada. Dept. of Agriculture Production Service. Division of Plant Products.

LIBRARY HAS: 2 cop. of pt. 1-2.
Table of contents: value: pt. 1-2. Compositae.