Chrysoma arborescens Linosyris arborescens Haplopappus arborescens var. arborescens Haplopappus arborescens Ericameria arborescens subsp. arborescens Haplopappus arborescens subsp. arborescens Bigelowia arborescens Aster chrysothamnus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024