Onopordum acanthium L. (ITIS)
Scotch thistle, cotton thistle, heraldic thistle, woolly thistle
Eurasia (Briese et al. 2003)
1800s (Schuster and Prather 2003)
Ornamental (Schuster and Prather 2003)
Crowds out desirable forage (Schuster and Prather 2003)
Distribution / Maps / Survey Status
The section below contains highly relevant resources for this species, organized by source.
State and Local Government
Briese, D.T., S. Bottcher, J. Vitou, and T. Thomann. 2003. Prevalence and impact of the crown fly, Botanophila spinosa, on its host thistle, Onopordum acanthium, in southern France. Acta Oecologica 24(2):77-86.
Integrated Taxonomic Information System. Onopordum acanthium. [Accessed Sep 10, 2014].
Schuster, M., and T.S. Prather. 2003. Scotch thistle Pacific Northwest Extension Publication PNW 569.