Purple Plants in the Idaho Batholith - High Glacial Drift-Filled Valleys by Family, Weed, Introduced, Common Name where Native includes No

Weed: Noxious

Introduced: No Information

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

Canada thistle Scientific Name Cirsium arvense 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