Watch out for witchweed
Subtitle: a new parasitic plant that attacks corn, sugarcane, sorghum and other plants
Contributors: United States. Plant Pest Control Division
Series: United States. Dept. of Agriculture -- PA-331; Program aid (United States. Department of Agriculture) -- no. 331.
Publisher: U.S. G.P.O.
Published: 1957
Place of publication: Washington, D.C
Language: eng
Subjects: Witchweeds
Notes: Cover title.

"Issued April 1957."

"Prepared by the Crops Research Division and Plant Pest Control Division, Agricultural Research Service."