| Prosopis yaquiana R.A. Palacios, 2006 |
| Pseudalbizzia Britton & Rose, 1928 |
| Pseudalbizzia adinocephala (Donn. Sm.) E.J.M. Koenen & Duno, 2022 |
| Pseudalbizzia niopoides (Spruce ex Benth.) E.J.M. Koenen & Duno, 2022 |
| Pseudalbizzia sinaloensis (Britton & Rose) E.J.M. Koenen & Duno, 2022 |
| Pseudalbizzia tomentosa (Micheli) E.J.M. Koenen & Duno, 2022 |
| Pseudalbizzia tomentosa var. purpusii (Britton & Rose) E.J.M. Koenen & Duno, 2022 |
| Pseudocassia Britton & Rose, 1930 |
| Pseudocassia anisopetala (Donn. Sm.) Britton & Rose, 1930 |
| Pseudocassia petensis Britton & Rose, 1930 |
| Pseudocassia spectabilis (DC.) Britton & Rose, 1930 |
| Pseudosamanea Harms, 1930 |
| Pseudosamanea guachapele (Kunth) Harms, 1930 |
| Pseudosophora (DC.) Sweet, 1830 |
| Pseudosophora sericea (Nutt.) Sweet, 1830 |
| Psoralea L., 1753 |
| Psoralea alopecuroides (Willd.) Poir., 1804 |
| Psoralea alopecurus Sessé & Moc., 1889 |
| Psoralea annua Mill., 1768 |
| Psoralea aurea (Nutt. ex Pursh) Poir., 1816 |