Purple Star Thistle
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
California Invasive Plant Council.
State and Local Government
- Integrated Taxonomic Information System. Centaurea calcitrapa. [Accessed Sep 10, 2014].
- Pitcairn, M.J., J.A. Young, C.D. Clements, and J. Balciunas. 2002. Purple starthistle (Centaurea calcitrapa) seed germination. Weed Technology 16(2):452-456.