Centaurea solstitialis (Yellow Starthistle) - http://tncweeds.ucdavis.edu/esadocs/centsols.html
Stewardship document provides history of the plants' migration from Eurasia to the Americas, biological description, associated ecological problems, management tactics, extensive bibliography and several detailed photographs. From The Nature Conservancy. |
Centaurea solstitialis L. (Yellow Starthistle) - http://www.nwcb.wa.gov/weed_info/Written_findings/Centaurea_solstitialis.html
The plant's origins and biology, current infestation levels in Washington, extensive list of print references. From the Washington State Noxious Weed Control Board. |
Fact Sheet No. 1: Yellow Starthistle - http://danr.ucop.edu/uccelr/range01.htm
Photographs and information about the origins of the plant and the problems it causes. Analysis of several control measures. From University of California Cooperative Extension. |
Progress in Yellow Starthistle Biological Control - http://www.ars.usda.gov/is/pr/1999/990222.htm
USDA site reports positive results on field tests using Eustenopus villosus weevils to control starthistle in Idaho. |
Yellow Starthistle - UC Pest Management Guidelines - http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7402.html
University of California guidelines for control of Yellow Starthistle, including identification and biology. |
Yellow Starthistle Biology and Control - http://cecalaveras.ucdavis.edu/starthistle.htm
Origins, life cycle, photographs, and analysis of several means of controlling this pest. |
Yellow Starthistle Information - http://wric.ucdavis.edu/yst/
Extensive site provides detailed information about the weed, including origins, impacts, biology, management options, associated legislation and references. From the UC Davis Weed Research and Information Center. |