University of Georgia. Center for Invasive Species and Ecosystem Health.Provides state, county, point and GIS data. Maps can be downloaded and shared.
The section below contains selected highly relevant resources for this species, organized by source. To view all related content for this species, click on "View all resources for species" in the top left of this page.
Council or Task Force
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.