american yarrow, achillea borealis

achillea america american americana appalachain appalachia appalachian asteraceae balds beautiful beauty bloom blooming blooms blossom blossoming blossoms blue borealis brp close closeup delicate details ecology edges environment fields flora flower flowering flowers grassy group horizontal leaf leaves meadows millefolium mountain mountains mountian mountians nature outdoors park parkway pastures perennial plant plants ridge roadsides spring springtime states summer time united usa vertical view virginia wild wilderness wildflower wildflowers woodland woods yarrow