Klasea bulgarica (Acht. & Stoj.) Holub in Folia Geobot. Phytotax. 12: 305. 1977
Klasea bulgarica in Folia Geobot. Phytotax. 12: 305. 1977
is new combination for Serratula bulgarica in Izv. Bulg. Bot. Druž. 5: 111. 1932
Klasea bulgarica in Folia Geobot. Phytotax. 12: 305. 1977