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CCDB → Angiosperms → Costaceae → Costus → Costus bicolor J. Braun & K. Schum.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Costus bicolor J. Braun & K. Schum. | Costus bicolor J. Braun & K. Schum. | 18 | Fedorov, 1974 | Venkatasubban 1946 | ||
| ! | Costus bicolor J. Braun & K. Schum. | Costus bicolor J. Braun & K. Schum. | 18 | Darlington, 1955 | Venkatasubban 1946 |