Rhaponticum cynaroides Less., 1832 Rhaponticum cynaroides Less., 1832is blocking name for Centaurea cynaroides Buch in Abh. Königl. Akad. Wiss. Berlin 1816-1817: 369. 1819Taxon for this nameRhaponticum cynaroides Less., Gen. Cynaroceph.: 6. 1832