| Peltarieae Caruel, 1893 |
| Pendulina Willk., 1852 |
| Pennellia Nieuwl., 1918 |
| Pennellia hunnewellii Rollins, 1980 |
| Pennellia juncea (O.E. Schulz) Rollins, 1980 |
| Pennellia lasiocalycina (O.E. Schulz) Rollins, 1980 |
| Pennellia longifolia (Benth.) Rollins, 1960 |
| Pennellia mcvaughii Rollins, 1979 |
| Pennellia micrantha (A. Gray) Nieuwl., 1918 |
| Pennellia microsperma (Rollins) R.A. Price, C.D. Bailey & Al-Shehbaz, 2001 |
| Pennellia patens (O.E. Schulz) Rollins, 1960 |
| Pennellia robinsonii Rollins, 1980 |
| Phlebiophragmus O.E. Schulz, 1924 |
| Phravenia Al-Shehbaz & Warwick, 2011 |
| Phravenia viereckii (O.E. Schulz) Al-Shehbaz & Warwick, 2011 |
| Phryne Bubani, 1901 |
| Physaria (Nutt. ex Torr. & A. Gray) A. Gray, 1848 |
| Physaria argentea (S. Schauer) O'Kane & Al-Shehbaz, 2002 |
| Physaria argyraea (A. Gray) O'Kane & Al-Shehbaz, 2002 |
| Physaria argyraea subsp. argyraea (A. Gray) O'Kane & Al-Shehbaz, 2002 |