Verbascum lamottei var. discolor Verbascum lamottei var. concolor Verbascum godronii var. concolor Verbascum lamottei Verbascum godronii var. discolor Verbascum godronii subsp. lamottei Verbascum godronii var. lamottei
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024