Heliotropium corymbosum Heliotropium grandiflorum Heliotropium odoratissimum Heliotropium odorum Heliotropium peruvianum Heliotropium voltaireanum Heliotropium arborescens var. grisellum Synzistachium peruvianum Heliotropium peruvianum var. voltaireanum Heliotropium odoratum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024