De subklasse Polypodiidae Cronquist, Takht. & Zimmerm. kent 7 orden.
| Cyatheales A.B.Frank | Osmundales Link | Schizaeales Schimp. |
| Gleicheniales Schimp. | Polypodiales Link | |
| Hymenophyllales A.B.Frank | Salviniales Bartl. |
De subklasse Polypodiidae Cronquist, Takht. & Zimmerm. kent 7 orden.
| Cyatheales A.B.Frank | Osmundales Link | Schizaeales Schimp. |
| Gleicheniales Schimp. | Polypodiales Link | |
| Hymenophyllales A.B.Frank | Salviniales Bartl. |
