Rhodax rupifragus (A. Kern.) Holub in Folia Geobot. Phytotax. 5: 439. 1970
Rhodax rupifragus in Folia Geobot. Phytotax. 5: 439. 1970
is new combination for Helianthemum rupifragum in Oesterr. Bot. Z. 18: 18. 1868
Rhodax rupifragus in Folia Geobot. Phytotax. 5: 439. 1970