eastern tiger swallowtail and bull thistle

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