Centaurea phrygia subsp. razgradensis (Velen.) Greuter
Placement status: name or taxon excluded (unspecific) (A single unsubstantiated literature record from NE (W Rhodopi) accepted by Eleftheriadou & Raus (1996: 467) is likely to belong to C. phrygia subsp. stenolepis which is well documented by herbarium collections from the area (A. Strid).)