Rhodax oelandicus Helianthemum oelandicum var. ciliatum Helianthemum oelandicum var. boreale Helianthemum oelandicum f. sulphureum Cistus oelandicus var. denudatus Helianthemum montanum var. boreale Rhodax chamaecistus var. virescens Helianthemum oelandicum f. sulphureum Helianthemum oelandicum subsp. boreale
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024