Diffuse and spotted knapweed biological control project manual
Publisher: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine, Biological Control Operations
Published: 1995
Place of publication: Frederick, MD]
Language: eng
Subjects: Knapweeds; Biological control; Diffuse knapweed; Spotted knapweed
Other titles: Biological control of diffuse and spotted knapweed
Notes: Includes index.