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CCDB → Angiosperms → Compositae → Melampodium → Melampodium americanum L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Melampodium kunthianum DC. | Melampodium americanum L. | 10(2) | Asteracea | Turner & K. 1962 Amer. J. Bot. | |||
| Melampodium americanum L. | Melampodium americanum L. | 10(4) | Asteracea | Turner & K. 1962 Amer. J. Bot. | |||
| Melampodium heterophyllum Lag. | Melampodium americanum L. | 10(1) | Asteracea | Turner & K. 1962 Amer. J. Bot. | |||
| Melampodium americanum L. | Melampodium americanum L. | 10 | IPCN online | Robinson, H., A. M. Powell, R. M. King & J. F. Weedin. 1981. Chromosome Numbers in Compositae, XII: Heliantheae. Smithsonian Contr. Bot. 52: 1–28. | |||
| Melampodium americanum L. | Melampodium americanum L. | 10 | IPCN online | Keil, D. J. & T. F. Stuessy. 1977. Chromosome counts of Compositae from Mexico and the United States. Amer. J. Bot. 64: 791–798. | |||
| Melampodium americanum L. | Melampodium americanum L. | 10 | IPCN67-71 | STUESSY, T.F. 1970. Chromosome studies in Melampodium (Compositae: Heliantheae). Madrono 20: 365-372. | |||
| Melampodium americanum L. | Melampodium americanum L. | 10 | IPCN73-74 | STUESSY, T.F. 1972. Revision of the genus Melampodium (Compositae: Heliantheae). Rhodora 74: 1-70. | |||
| Melampodium americanum L. | Melampodium americanum L. | 20 | Fedorov, 1974 | Turner, King 1962 | |||
| Melampodium americanum L. | Melampodium americanum L. | 10 | Cave1962 | Turner & King 1962 | |||
| ! | Melampodium heterophyllum Lag. | Melampodium americanum L. | 10 | Cave1962 | Turner & King 1962 | ||
| Melampodium kunthianum DC. | Melampodium americanum L. | 10 | Cave1962 | Turner & King 1962 |