Purple Plants in the Idaho Batholith - High Glacial Drift-Filled Valleys by Weed, Plant Type, Scientific Name where Native includes No

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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

Cirsium vulgare
Common Names bull thistle
Family Composites, Sunflower
Flower Color Purple
Plant Type Herb
Short Description Biennial.
Location McCall
Native No
Weed Noxious

Purple Plants in the Idaho Batholith - High Glacial Drift-Filled Valleys by Weed, Plant Type, Scientific Name where Native includes No

Weed: Noxious

Herb