Knapweed, its cause and effect in British Columbia.
Contributors: British Columbia. Ministry of Agriculture and Food.; British Columbia. Knapweed Action Committee.
Publisher: Province of British Columbia, Ministry of Agriculture and Food
Published: 1985
Place of publication: Victoria
Language: eng
Subjects: Knapweeds -- Control; Forage plants -- Diseases and pests -- British Columbia; Grasses -- Diseases and pests -- British Columbia
Notes: Cover title.

Prepared by Roy Cranston, Knapweed Action Committee. Cf. Verso of cover.

"80-3"