UC home and landscape guidelines for control of Yellow Starthistle. ... Yellow starthistle, Centaurea solstitialis, is native to Eurasia and was introduced to California around 1850 via South America. It is now common in open areas on roadsides, rangeland, wildlands, hay fields, pastures, and waste areas.
www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7402.html
Centaurea solstitialis - Wikipedia, the free encyclopedia
Yellow Starthistle ( Centaurea solstitialis ) is a member of the Asteraceae family, native to the Mediterranean region. The plant, also known as Golden Starthistle, Yellow Cockspur and St. Bar...
en.wikipedia.org/wiki/Centaurea_solstitialis
Web site development through the generous support of the Pesticide Applicators and Professional Association (PAPA) and the Center for Pest Management Research and Extension (CPMRE). ... ; Web site design by Kitty Schlosser. Please email comments to wric@ucdavis.edu ... You can access photos, data and a glossary within this...
wric.ucdavis.edu/yst/
A species profile for Yellow Star Thistle from USDA's National Invasive Species Information Center. ... Common names: Yellow star thistle, geeldissel, golden star thistle, St. Barnaby's thistle, yellow centaury, yellow cockspur...
www.invasivespeciesinfo.gov/plants/yellowstar.shtml www.invasivespeciesinfo.gov/plants/yellowstar.shtml
Yellow starthistle is an annual herbaceous plant. Plants are gray-green to blue-green, grow from 6 in. to 5 ft. (15 cm to 15 dm) in height, and have deep taproots. Flowers are bright yellow with sharp spines surrounding the base, giving the plant a particularly ... Click for distribution map of yellow star-thistle.
www.nps.gov/plants/alien/fact/ceso1.htm
Common name: Yellow star thistle; Family: Asteraceae (Sunflower); Habitat: Pastures, roadsides, disturbed grasslands or woodlands, widely distributed in California, native to; Europe; Blooming period: May to October;
www.calflora.net/bloomingplants/yellowstarthistle.html www.calflora.net/bloomingplants/yellowstarthistle.html
A PLANTS profile of Centaurea solstitialis (yellow star-thistle) from the USDA PLANTS database ... Centaurea solstitialis L. yellow star-thistle;
plants.usda.gov/java/profile?symbol=CESO3
Texas County Level Distribution for Centaurea solstitialis (yellow star-thistle) from the USDA PLANTS database ... Centaurea solstitialis L. - yellow star-thistle; CESO3 in the state of Texas...
plants.usda.gov/java/county?state_name=Texas&statefips=... plants.usda.gov/java/county?state_name=Texas&statefips=48&symbol=CESO3
Synonym(s): yellow star thistle, yellow star-thistle ... Yellow starthistle is an annual that can grow from ¼ - 3 ft. (0.1-1 m) in height. Leaves near the base are petiolate, dissected, 2-6 in. (5-15 cm) long and usually absent at time of flowering. Leaves further up the stem are decurrent, entire and 0.4-4 in.
www.invasive.org/weedus/subject.html?sub=4390
Yellow starthistle (Centaurea solstitialis) is estimated by the California Department of Food and Agriculture to cover over 12 million acres in California. ...
www.cdfa.ca.gov/PHPPS/ipc/ystmapping/ystmapping_hp.htm
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