| Pentagramma maxonii (Weath.) Schuettp. & Windham, 2015 |
| Pentagramma triangularis (Kaulf.) Yatsk., 1990 |
| Pentagramma triangularis subsp. maxonii (Weath.) Yatsk., 1990 |
| Pentagramma triangularis subsp. semipallida (Weath.) Yatsk., Windham & E. Wollenw., 1990 |
| Pentagramma triangularis subsp. triangularis (Kaulf.) Yatsk., 1990 |
| Pentagramma triangularis subsp. viscosa (Nutt. ex D.C. Eaton) Yatsk., 1990 |
| Pentagramma viscosa (Nutt. ex D.C. Eaton) Schuettp. & Windham, 2015 |
| Pityrogramma Link, 1833 |
| Pityrogramma calomelanos (L.) Link, 1833 |
| Pityrogramma calomelanos var. calomelanos (L.) Link, 1833 |
| Pityrogramma dealbata (C. Presl) Domin, 1942 |
| Pityrogramma ebenea (L.) Proctor, 1965 |
| Pityrogramma guatemalensis Domin, 1928 |
| Pityrogramma tartarea (Cav.) Maxon, 1913 |
| Pityrogramma triangularis Kaulf. & Maxon, 1913 |
| Pityrogramma triangularis var. maxonii Weath., 1920 |
| Pityrogramma trifoliata (L.) R.M. Tryon, 1962 |
| Pityrogramma tripinnata Domin, 1928 |
| Platyloma Smith, J., 1842 |
| Platyloma flexuosa (Kaulf. ex Schltdl. & Cham.) Sm., 1846 |