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... more about "Cirsium hookerianum"
David J. Keil +
Nuttall +
Hooker’s or white thistle +
Alta. +, B.C. +, Idaho +, Mont. +, Wash. +  and Wyo. +
600–2900 m +
Moist soil, grasslands, aspen parkland, forest edges and openings, subalpine, alpine meadows +
Flowering summer (Jun–Sep). +
Trans. Amer. Philos. Soc., n. s. +
Cirsium kelseyi +
Cirsium hookerianum +
species +