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CCDB → Pteridophytes → Marattiaceae → Ptisana
| Taxon name | Status | Median (n) |
| Marattia salicina Sm. | Synonym of Ptisana salicina (Sm.) Murdock | 39 |
| Marattia smithii Mett. ex Kuhn | Synonym of Ptisana smithii (Mett.) Murdock | 39 |