bull thistle wildflower

aggressive america american americana annual appalachain appalachia appalachian aster asterceae beautiful bloom blooming blooms blossom blossoms blue bull butterflies butterfly cirsium close closeup family fence field fields flora floral flower flowering flowers horizontal leaves line lines macro meadows mountain mountains mountian mountians park parkway pasture pink plant plants prickly purple ridge roadside roadsides spring states stem stems summer thistle thistles united usa vertical virginia vulgare welted wild wildflower wildflowers