Helianthemum oelandicum subsp. rupifragum (A. Kern.) Breistr. in Bull. Soc. Sci. Isère 61: 623. 1947
Helianthemum oelandicum subsp. rupifragum in Bull. Soc. Sci. Isère 61: 623. 1947
is new combination for Helianthemum rupifragum in Oesterr. Bot. Z. 18: 18. 1868
Helianthemum oelandicum subsp. rupifragum in Bull. Soc. Sci. Isère 61: 623. 1947