larose forest photos | profile | all galleries >> Wildflowers, Ferns, Grasses, Trees and Shrubs (18 Galleries) >> Wildflowers: T to Y >> Thistles | tree view | thumbnails | slideshow |
Canada thistle seeds |
Thistle |
Canada thistle (Cirsium arvense) |
Plumeless thistle (Carduus acanthoides) |
Scotch thistle (Cirsium vulgare) |
Swamp thistle(Cirsium muticum) |