| Ontario Blazing Star (Liatris cylindracea) %20-%20Misery%20Bay,%20Manitoulin%20Island_small2.JPG) |
Spotted Knapweed (Centaurea biebersteinii) %20-%20Cup%20and%20Saucer%20Trail,%20Manitoulin%20Island_small2.JPG) |
Field Sowthistle (Sonchus arvensis) %20-%20on%20the%20beach_small2.jpg) |
| Bull Thistle (Cirsium vulgare) %20-%20Oakland%20Co_small2.JPG) |
Lesser Burdock (Arctium minus)  |
Teasel (Dipsacus fullonum) ,%20Oakland%20County,%20MI_small2.JPG) |
| Canada Thistle (Cirsium arvense) %20-%20Oakland%20Co_small2.jpg) |
Swamp Thistle (Cirsium muticum) %20-%20Misery%20Bay%20NP,%20Manitoulin%20Island,%20ON_small2.JPG) |
Nodding Thistle (Carduus nutans) %20-%20Fox%20Lake,%20IL_small2.JPG) |