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CCDB → Angiosperms → Compositae → Bidens → Bidens beckii Torr. ex Spreng.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Bidens beckii Torr. ex Spreng. | Bidens beckii Torr. ex Spreng. | 26(1) | Asteracea | Roberts 1985 Aquatic Bot. | |||
| Bidens beckii Torr. ex Spreng. | Bidens beckii Torr. ex Spreng. | 24(1) | Asteracea | Love ＆ L. 1982a Taxon | |||
| Bidens beckii Torr. ex Spreng. | Bidens beckii Torr. ex Spreng. | 24 | IPCN online | Löve, A. & D. Löve. 1982. In: IOPB chromosome number reports LXXIV. Taxon 31: 120–126. | |||
| ! | Megalodonta beckii (Torr.) Greene | Bidens beckii Torr. ex Spreng. | 36 | IPCN online | Roberts, M. L. 1985. The cytology, biology and systematics of Megalodonta beckii (Compositae). Aquatic Bot. 21(2): 99–110. | ||
| ! | Bidens beckii Torr. ex Spreng. | Bidens beckii Torr. ex Spreng. | 26 | eFlora |