Biological control of spotted and diffuse knapweeds.

Bibliographic Details
Corporate Author:	United States. Animal and Plant Health Inspection Service
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.?] : U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, [1994]
Series:	Program aid (United States. Department of Agriculture) ; no. 1529.
Subjects:	Diffuse knapweed > Biological control > United States. Spotted knapweed > Biological control > United States.

Evans: US Documents (Annex 5th floor)