Cirsium canescens, commonly known as prairie thistle,David J. Keil 2012, Cirsium canescens, in Jepson Flora Project (eds.) Jepson eFlora, retrieved 2 June 2024. is a species of flowering plant in the sunflower family, Asteraceae. It is a thistle native to the north-central and western United States, where it grows in Colorado, Missouri, Montana, Nebraska, South Dakota, and Wyoming, and in California and Nevada.
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