| cirs | plume thistles |
|---|---|
| cirs | European thistle naturalized in United States and Canada where it is a pernicious weed |
| cirs | stout North American thistle with purplish-pink flower heads |
| cirs | woolly thistle of western and central Europe and Balkan Peninsula |
| cirs | thistle of western North America having white woolly leaves |
| cirs | perennial stoloniferous thistle of northern Europe with lanceolate basal leaves and usually solitary heads of reddish-purple flowers |
| cirs | perennial stoloniferous thistle of northern Europe with lanceolate basal leaves and usually solitary heads of reddish-purple flowers |
| cirs | European thistle with rather large heads and prickly leaves |
| cirs | of central and southwestern Europe |
| cirs | European thistle with rather large heads and prickly leaves |