Brown Knapweed
Brown Knapweed, Centaurea Jacea, is a perennial wildflower known for its thistle-like brownish-purple flower heads and substantial spread. It thrives in meadows and roadsides.
Photo by L?szl? Szalai (Beyond silence), CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons