Name(s) in cluster
| Polypodium hydriforme Ussow 1885 | urn:lsid:organismnames.com:name:4009402 |
| Polypodium hydriforme Ussov | urn:lsid:organismnames.com:name:1133523 |
| Polypodium hydriforme | urn:lsid:organismnames.com:name:30610 |
| Polypodium hydriforme Uss. | urn:lsid:organismnames.com:name:3637436 |
| Polypodium hydriforme Ussow 1886 | urn:lsid:organismnames.com:name:3981227 |
| Polypodium hydriforme Ussov 1885 | urn:lsid:organismnames.com:name:780431 |
...