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2000. Yellow star-thistle, gumplant, and feral honey bees on Santa Cruz Island: A case of invaders assisting invaders. Proc., California Islands Sym. 1999. Camarillo, CA. 5:269-273. ... DiTomaso, J.M. 1996. Yellow starthistle: biology and life history. Proc., California Exotic Plant Pest Council. 2:61-64.
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wric.ucdavis.edu/yst/ref/references.html
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Yellow Starthistle: Biology and Life History; Joseph M. DiTomaso; Weed Science Program, Department of Vegetable Crops; University of California, Robbins Hall, Davis, CA 95616; Introduction and Spread; ... The center of origin of yellow starthistle (Centaurea solstitialis L.) is believed to be Eurasia, where it is native...
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www.cal-ipc.org/symposia/archive/pdf/1996_symposium_pro...
www.cal-ipc.org/symposia/archive/pdf/1996_symposium_proceedings1825.pdf
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History: This variety of thistle was brought into the United States from Europe. Yellow star thistle is in the Aster family or the sunflower family. ...
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mtwow.org/yellow-star-thistle.html
mtwow.org/yellow-star-thistle.html
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Yellow starthistle invades rangelands, grainfields, orchards, vineyards, cultivated crops, pastures, roadsides, and wastelands. Life History/Ecology: Yellow starthistle is a winter annual that depends on seed production for population survival.
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www.agdepartment.com/NoxiousWeeds/pdf/YELLOWSTARTHISTLE...
www.agdepartment.com/NoxiousWeeds/pdf/YELLOWSTARTHISTLE.pdf
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The Facts On Yellow Star Thistle! Habitat: It infests rangelands, pastures, hay fields, orchards, vineyards, waterways, roadsides, and even forests and other non-crop areas. Growth: It is an annual plant growing from a taproot.
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www.countyofplumas.com/agcomm/brochures/starthistle.pdf
www.countyofplumas.com/agcomm/brochures/starthistle.pdf
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Image Number K9658-1; Close-up of yellow starthistle (Centaurea solstitialis). Photo by Peggy Greb. ... File history ... Featured picture star...
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en.wikipedia.org/wiki/File:Yellow_star_thistle.jpg
en.wikipedia.org/wiki/File:Yellow_star_thistle.jpg
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Natural History ... They produce brilliant, 2.5-centimeter (1-inch) long, yellow flowers in early summer. Spanish broom can grow up to 3 meters (10 feet) tall. ... Bull Thistle; Foxglove; French Broom; Giant Reed; Greater Periwinkle; Himalayan Blackberry; Horehound; Italian Thistle; Perennial Sweet Pea; Reed Canary Grass;
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www.nps.gov/seki/snrm/nnp/html/badspju.htm
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Non-native Plants Web Site, Sequoia and Kings Canyon National Parks. ... Natural History ... Yellow star thistle is native to southern Europe. It is considered a noxious weed and it tends to grow in disturbed, sunny sites at low to middle elevations. Yellow star thistle's distribution in California increases rapidly each year.
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www.nps.gov/seki/snrm/nnp/html/badceso.htm
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History: Yellow star thistle is native to Africa and Eurasia. It was likely introduced into California as a seed contaminate in alfalfa seed in the mid 1800’s. It has since spread and now infests nearly 12 million acres in California, Idaho, Oregon, New Jersey, Utah, and Washington.
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www.mda.state.mn.us/plants/badplants/yellowstar.htm
www.mda.state.mn.us/plants/badplants/yellowstar.htm
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