| Alsophilaceae | |
Alsophilaceae
| C. Presl | Gefässbündel Farrn 22(ootnote, 32 | 1847 |
| Cibotiaceae | ! |
Cibotiaceae
| Korall | Taxon 55(3): 712 | 2006 |
| Culcitaceae | |
Culcitaceae
| Pic. Serm. | Webbia 24: 702 | 1970 |
| Cyatheaceae | ! |
Cyatheaceae
| Kaulf. | Wesen Farrenkr. 119 | 1827 |
| | |
Cyatheineae
| Bessey | Bot. High Schools 376 | 1880 |
| Dicksoniaceae | !! |
Dicksoniaceae
| M.R. Schomb. | Reis. Br.-Guiana 3: 1047 | 1848 [1849] |
| Hymenophyllopsidaceae | |
Hymenophyllopsidaceae
| Pic. Serm. | Webbia 24(2): 712–713 | 1970 |
| Lophosoriaceae | |
Lophosoriaceae
| Pic. Serm. | Webbia 24(2): 700–701 | 1970 |
| Loxomataceae | ** |
Loxomataceae
| C. Presl | Gefässbündel Farrn 31 | 1847 |
| Loxsomataceae | |
Loxsomataceae
| C. Presl | Gefässbündel Farrn 31 | 1847 |
| Metaxyaceae | |
Metaxyaceae
| Pic. Serm. | Webbia 24(2): 701–702 | 1970 |
| Plagiogyriaceae | ! |
Plagiogyriaceae
| Bower | Ann. Bot. (Oxford) 40: 484 | 1926 |
| Thyrsopteridaceae | ** |
Thyrsopteridaceae
| Pic. Serm. | Webbia 24: 709 | 1970 |
| Thyrsopteridaceae | ! |
Thyrsopteridaceae
| C. Presl | Gefässbündel Farrn 22, 38 | 1847 |