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CCDB → Angiosperms → Compositae → Melampodium → Melampodium oblongifolium DC.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Melampodium oblongifolium DC. | Melampodium gracile Less. | 9(1) | Asteracea | Turner & K. 1962 Amer. J. Bot. | |||
| Melampodium oblongifolium DC. | Melampodium gracile Less. | 9 | Cave1962 | Turner & King 1962 |