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CCDB → Angiosperms → Costaceae → Costus → Costus friedrichsenii Petersen
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Costus friedrichsenii Petersen | Costus villosissimus Jacq. | 18 | Fedorov, 1974 | Simmonds 1954 | ||
| ! | Costus friedrichsenii Petersen | Costus villosissimus Jacq. | 18 | Darlington, 1955 | Simmonds 1954 |