Amaranthus dubius Mart. ex Thellung
| The Templeton Crocker Expedition of the California Academy of Sciences, 1932. No. 9. The Amaranthaceae of the Galapagos Islands John Thomas Howell (1933) Proceedings of the California Academy of Sciences 21: 87-116 | |
| Vegetation on bauxitic soils in Jamaica, II R A Howard and G R Proctor (1957) Journal of the Arnold Arboretum 38: 151-169 | |
| The genera of Amaranthaceae in the southeastern United States K R Robertson (1981) Journal of the Arnold Arboretum 62: 267-313 |