Name: Polypodium tetragonum Sw.
| Is basionym of | Thelypteris tetragona | |
| Reference | A Systematic Vademecum to the Vascular Plants of Sint Eustatius | |
| Is basionym of | Thelypteris tetragona | |
| Reference | A Systematic Vademecum to the Vascular Plants of Sint Eustatius | |