Psephellus hypoleucus (DC.) Boiss., Fl. Orient. 3: 610. 1875 Psephellus hypoleucus (DC.) Boiss., Fl. Orient. 3: 610. 1875is new combination for Centaurea hypoleuca DC., Prodr. 6: 575. 1838Taxon for this namePsephellus hypoleucus (DC.) Boiss., Fl. Orient. 3: 610. 1875