Centaurea stoebe ssp. micranthos (S.G.Gmelin ex Gugler) Hayek
spotted knapweed, bushy knapweed
spotted knapweed, bushy knapweed
September 2,
Myles Standish State Forest, Plymouth
Spotted knapweed is believed to emit substances inhibiting growth of other plants. Soon after the invasion it becomes the sole inhabitant of the territory.