Yellow starthistle (Centaurea solstitialis L.) is an introduced Asteraceae
that has become established on 10 million acres in the Pacific Northwest and
California. This weed functions as an annual or short-lived perennial and depends
on seeds for reproduction. Strategies of control that reduce plant fitness or lower
seed production or...
Yellow starthistle, a native of the Mediterranean
region, arrived in this country in 1869 as a
contaminant in alfalfa seed. It is a strong invader of
disturbed areas, rangelands, and roadsides and thrives
in areas of summer drought. A yellow starthistle invasion will
reduce biodiversity by choking out native plants....
Published August 1977. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Centaurea solstitialis L. (yellow starthistle) and C. × moncktonii Britt. (meadow knapweed) are members of the genus Centaurea in the Asteraceae family. Both species have become serious management concerns as invasive species in North America, often displacing native vegetation and costing land managers millions of dollars to eradicate. Seven plants...
The Tenmile Lakes Project for partial control of warm-water fish was initiated in August of 1964, One qualified fishery biologist and one conservation aide were assigned to do the work. The reduction in assigned personnel was due to lack of funds. Although this was to be a joint project with...