The nature, ecology, and control of Canada thistle
[by J. M. Hodgson.
- Washington] Agricultural Research service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1968]
- ii, 32 p. illus. 24 cm.
- United States. Dept. of Agriculture. Technical bulletin ; no. 1386 .
- Technical bulletin (United States. Department of Agriculture ; no. 1386. .