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CCDB → Angiosperms → Compositae → Bidens → Bidens infirma Fernald
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Bidens infirma Fernald | Bidens heterodoxa Fernald & H. S. John | 48 | IPCN online | Plante, S. 1995. IOPB chromosome data 10. Int. Organ. Pl. Biosyst. Newslett. (Zurich) 25: 9–10. |