Oreostemma alpigenum var. haydenii Oreostemma alpigenum var. andersonii
Oreastrum alpigenum Oreastrum alpigenum var. alpigenum Oreostemma alpigenum subsp. alpigenum Aster alpigenus var. alpigenus Oreostemma alpigenum var. alpigenum Haplopappus alpigenus Aster alpigenus Aster alpigenus subsp. alpigenus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024