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Purple Plants in the Idaho Batholith - High Glacial Drift-Filled Valleys by Scientific Name where Weed includes Noxious


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Canada thistle (Cirsium arvense) Cirsium arvense
Common Names Canada thistle
Family Composites, Sunflower
Flower Color Purple
Plant Type Herb
Short Description Perennial, deep-seated creeping underground roots. Leaves: Spiny, pinnatifid
Location McCall
Native No
Weed Noxious
bull thistle (Cirsium vulgare) Cirsium vulgare
Common Names bull thistle
Family Composites, Sunflower
Flower Color Purple
Plant Type Herb
Short Description Biennial.
Location McCall
Native No
Weed Noxious