Thistle Flower Identification. Dandelion leaves are only at the base. Native not on noxious weed list.
Bull thistle flower heads are purple and measure 35 to 5 cm in diameter 25 to 5 cm long and are usually solitary. 08032021 Meadow Thistle Cirsium dissectum The meadow thistle is an herbaceous perennial that is small and slender without large spines on its leaves. The flowers are located at the end of stems covered in spiny hairs.
The purple flower heads are globe-shaped and the 2- to 5-foot-tall stems are matted with whitish fuzz or hairs.
Native not on noxious weed list. There are clusters of them that grow at the ends of shoots and branches. Dandelion leaves are only at the base. Or a taller plant with sessile flowering heads in leaf axils.