Canada thistle
Subtitle: (Carduus arvensis (L.) Robs.).
Contributors: United States. Divison of Botany; United States. Department of Agriculture
Edition: Rev.
Series: Circular / U.S. Dept. of Agriculture. Division of Botany -- no. 27; Circular (United States. Division of Botany) -- no. 27.
Publisher: U.S. Dept. of Agriculture, Division of Botany
Published: 1901
Place of publication: Washington, D.C
Language: eng
Number of pages: 14
Subjects: Canada thistle; Noxious weeds
Notes: Caption title.

Revised.

"June 17, 1901."

Signed: Lyster H. Dewey, p. 14.

Division of Botany Circular No. 27 (Revised).

At head of title: United States Department of Agriculture, Division of Botany.
Table of contents: title: Names. pp. 1.; title: Description. pp. 2.; title: Other thistles mistaken for Canada thistles. pp. 3.; title: History : Introduction into America. pp. 5.; title: Present range; title: Not likely to be troublesome in the South. pp. 6.; title: Danger of its introduction in Northern prairie States and Rocky Mountain region; title: Methods of distribution. pp. 7.; title: Dissemination of seeds by natural means; title: wind and waters; title: Dissemination of seeds by artificial means. pp. 8.; title: Methods of eradication. pp. 9.; title: Natural enemies. pp. 13.; title: State laws relating to Canada thistle. pp. 14.