| Phloeophila Hoehne & Schltr., 1926 |
| Phloeophila peperomioides (Ames) Garay, 1974 |
| Phragmipedium Rolfe, 1896 |
| Phragmipedium exstaminodium Castaño, Hágsater & E. Aguirre, 1984 |
| Phragmipedium exstaminodium subsp. exstaminodium Castaño, Hágsater & E. Aguirre, 1984 |
| Phragmipedium humboldtii (Warsz.) J.T. Atwood & Dressler, 1999 |
| Phragmipedium warscewiczii (Rchb. f.) Christenson, 2006 |
| Phragmipedium xerophyticum Soto Arenas, Salazar & Hágsater, 1990 |
| Phyllorchis Thouars, 1822 |
| Phyllorchis oerstedii (Rchb. f.) Kuntze, 1891 |
| Physogyne Garay, 1982 |
| Physogyne garayana R. González & Szlach., 1995 |
| Physogyne gonzalezii (L.O. Williams) Garay, 1982 |
| Physogyne sparsiflora (C. Schweinf.) Garay, 1982 |
| Physosiphon Lindl., 1835 |
| Physosiphon carinatus Lindl., 1838 |
| Physosiphon cooperi Ames, 1922 |
| Physosiphon emarginatus (Lindl.) Lindl., 1835 |
| Physosiphon eximium (L.O. Williams) Garay, 1974 |
| Physosiphon greenwoodii (Soto Arenas & Solano) Pfahl, 2014 |