Helianthemum canescens Helianthemum cupreum Helianthemum ochroleucum Helianthemum sulphureum var. ochroleucum Helianthemum sulphureum f. roseum Helianthemum sulphureum var. cupreum Helianthemum sulphureum var. roseum Helianthemum sulphureum f. cupreum
World Flora Online, accessed June 20, 2024