| ** |
Aspleniales
| Pic. Serm. ex Reveal | Phytologia 74(3): 175 | 1993 |
| ! |
Aspleniales
| Pic. Serm. ex Reveal | Phytologia 79(2): 72 | 1995 [1996] |
| |
Athyriales
| Shmakov | Turczaninowia 4: 55 | 2001 |
Unknown | ** |
Bivalvia
| Hoffm. | Deutsch. Fl. Bot. Taschenb. 2(2): 4 | 1796 |
| |
Blechnales
| Pic. Serm. ex Reveal | Phytologia 74(3): 175 | 1993 |
| |
Christenseniales
| Doweld | Prosyllab. Tracheophyt. vii | 2001 |
| |
Cyatheales
| A.B. Frank | Syn. Pflanzenk. (ed. 2) 3: 1453 | 1877 |
Dennstaedtiales | |
Dennstaedtiales
| Doweld | Prosyllab. Tracheophyt. x | 2001 |
| |
Dicksoniales
| Pic. Serm. ex Reveal | Phytologia 74(3): 175 | 1993 |
Unknown | * |
Diclipteria
| Raf. | Anal. Nat. 204 | 1815 |
| |
Filicales
| Dumort. | Anal. Fam. Pl. 67 | 1829 |
| ! |
Gleicheniales
| Link | Handbuch 1: 70 | 1825 |
| ** |
Gleicheniales
| Schimp. | Traité Paléont. Vég. 1: 669 | 1869 |
| |
Hymenophyllales
| A.B. Frank | Syn. Pflanzenk. (ed. 2) 3: 1453 | 1877 |
| |
Hymenophyllopsidales
| Pic. Serm. ex Reveal | Phytologia 74(3): 175 | 1993 |
| |
Lindsaeales
| Doweld | New Syllab. Pl. Fam 353 | 2006 |
| |
Lonchitidales
| Doweld | New Syllab. Pl. Fam 353 | 2006 |
| |
Loxsomatales
| Pic. Serm. ex Reveal | Phytologia 74(3): 175 | 1993 |
| |
Marsileales
| Bartl. | Consp. Regn. Veg. 4 | 1835 |
| |
Matoniales
| Pic. Serm. ex Reveal | Phytologia 74(3): 175 | 1993 |
| |
Metaxyales
| Doweld | Prosyllab. Tracheophyt. xii | 2001 |
| |
Monachosorales
| Doweld | New Syllab. Pl. Fam 356 | 2006 |
| |
Negripteridales
| Pic. Serm. ex Reveal | Phytologia 74(3): 176 | 1993 |
| |
Osmundales
| Link | Hort. Berol. [Link] 2: 445 | 1833 |
| |
Parkeriales
| A.B. Frank | Syn. Pflanzenk. (ed. 2) 3: 1452, 1458 | 1877 |
| |
Pilulariales
| Bercht. & C. Presl | Prir. Rostlin 272 | 1820 |
| |
Plagiogyriales
| Pic. Serm. ex Reveal | Phytologia 74(3): 176 | 1993 |
| |
Platyzomatales
| Pic. Serm. ex Reveal | Phytologia 74(3): 176 | 1993 |
| |
Polypodiales
| Link | Hort. Berol. [Link] 2: 5 | 1833 |
Unknown | ** |
Protobrya
| Ritgen | Schriften Ges. Beförd. Gesammten Naturwiss. Marburg 2: 106 | 1831 |
Pteridaceae | * |
Pteridaceae
| Rchb. | Handb. Nat. Pfl.-Syst. 138 | 1837 |
| |
Pteridales
| Doweld | Prosyllab. Tracheophyt. xi | 2001 |
| |
Saccolomatales
| Doweld | New Syllab. Pl. Fam 354 | 2006 |
| |
Salviniales
| Link | Hort. Berol. [Link] 2: 155 | 1833 |
| |
Schizaeales
| Schimp. | Traité Paléont. Vég. 1: 674 | 1869 |
| |
Schizaeineae
| Bessey | Bot. High Schools 377 | 1880 |
Unknown | ** |
Selaginea
| Batsch | Tab. Affin. Regni Veg. 263 | 1802 |
| |
Stromatopteridales
| Pic. Serm. ex Reveal | Phytologia 74(3): 176 | 1993 |
| |
Thelypteridales
| Doweld | Prosyllab. Tracheophyt. xi | 2001 |
Unknown | |
Trilites
| Cookson ex Couper | Palaeontol. Bull. New Zealand Geol. Surv. 22: 29 | 1953 |