Aster ovatus var. ovatus
Kalimeris hispida var. subserratum Aster microcephalus f. ovatus Aster microcephalus f. vernalis Aster mayasanensis Aster kaempferi Aster ageratoides var. ovatus Aster trinervius var. adusta Aster ageratoides var. ovata Aster trinervius subsp. ovatus Aster microcephalus var. ovatus Aster trinervius var. angustifolius Aster ageratoides var. vernalis Aster ovatus var. angustifolius Aster trinervius subsp. angustifolius Aster trinervius var. congesta Aster ageratoides subsp. ovatus Aster trinervius f. hortensis Aster ageratoides f. humilis Aster ageratoides var. littoricola
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024