Common name(s): Monckton’s knapweed
Category: Genus Centaurea
Centaurea cyanus
Common name(s): Bachelor’s button
Centaurea stoebe
Common name(s): Spotted knapweed
Wildflowers of the National Capital Region
Discovering wildflowers in Maryland, Washington D.C., and Northern Virginia
Common name(s): Monckton’s knapweed
Common name(s): Bachelor’s button
Common name(s): Spotted knapweed