| Melampodium argophyllum S.F. Blake, 1924 |
| Melampodium arvense B.L. Rob., 1901 |
| Melampodium aureum Brandegee, 1910 |
| Melampodium bibracteatum S. Watson, 1891 |
| Melampodium bonairense Bold., 1914 |
| Melampodium brachyglossum Donn. Sm., 1888 |
| Melampodium canescens Brandegee, 1905 |
| Melampodium cinerascens S.F. Blake, 1924 |
| Melampodium cinereum DC., 1836 |
| Melampodium cinereum var. cinereum DC., 1836 |
| Melampodium cinereum var. hirtellum Stuessy, 1969 |
| Melampodium cinereum var. ramosissimum (DC.) A. Gray, 1852 |
| Melampodium cornutum S.F. Blake, 1926 |
| Melampodium cupulatum A. Gray, 1870 |
| Melampodium dicoelocarpum B.L. Rob., 1909 |
| Melampodium diffusum Cass., 1829 |
| Melampodium divaricatum (Rich.) DC., 1836 |
| Melampodium elottianum B.L. Turner, 2016 |
| Melampodium geminatum Brandegee, 1905 |
| Melampodium glabribracteatum Stuessy, 1970 |