Meadow Knapweed Centaurea x moncktonii Other Names: Protean Knapweed Centaurea debeauxii ssp. thuillieri, Centaurea jacea var. pratensis, Centaurea jacea ssp. pratensis, Centaurea nigra var. radiata, Centaurea thuillieri, Centaurea pratensis (illegitimate)
Non-native Species