Classic texts: King's 1898.
Centaurea calcitrapa
Centaurea calcitrapa L.
Engl.: common star thistle, caltrops, purple star thistle, red star-thistle.
Deu.: Stern-Flockenblume, Fussangel-Flockenblume.
Centaurea calcitrapa, Centaurea chamaerhaponticum, Centaurea pygmaea.
Classic texts: Sturtevant 1919.