Purple Plants in the Composites, Sunflower Family by Introduced, Scientific Name

Introduced: Yes

Carduus nutans Common Names musk thistle Family Composites, Sunflower Flower Color Purple Plant Type Forb Introduced Yes Weed Yes

Introduced: No Information

Aster alpigenus var. haydenii Common Names showy aster, alpine aster, mountain aster Family Composites, Sunflower Flower Color Purple Plant Type Herb Location McCall Native Yes Weed No

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

Machaeranthera canescens Common Names tall purple aster, hoary aster, hoary tansyaster Family Composites, Sunflower Flower Color Purple Plant Type Herb Native Yes Weed No

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