close-up of a spotted knapweed – centaurea maculosa

america american americana appalachain appalachia appalachian banks bloom blooming blooms blossom blossoms blue branch centaurea close closeup cornflower family fields flora flower flowers invasive knapweed lavender maculosa mountain mountains mountian mountians nature noxious pastures perennial pink plant plants pond prairies ridge roadsides sand shorelines spotted states stream united virginia weeds wildflower wildflowers wiry