Purple Plants in the Composites, Sunflower Family by Scientific Name where Weed includes Noxious

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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

Onopordum acanthium
Common Names Scotch thistle
Family Composites, Sunflower
Flower Color Purple
Plant Type Forb
Native No
Weed Noxious