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CCDB → Angiosperms → Orchidaceae → Hammarbya
| Taxon name | Status | Median (n) |
| Hammarbya paludosa (L.) Kuntze | Accepted | 14 |
| Malaxis paludosa (L.) Sw. | Synonym of Hammarbya paludosa (L.) Kuntze | 14 |
| Ophrys palustris Huds. | Synonym of Hammarbya paludosa (L.) Kuntze | 14 |