Watch out for witchweed.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	[Beltsville, Md.] : United States Department of Agriculture, Animal and Plant Health Inspection Service, 2012.
Series:	Program aid (United States. Department of Agriculture) ; no. 1669.
Subjects:	Witchweeds > Southern States.
Online Access:	https://purl.fdlp.gov/GPO/gpo117129

Available Online