| 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 |
| Physosiphon guatemalensis Rolfe, 1891 |
| Physosiphon lindleyi Rolfe, 1893 |
| Physosiphon loddigesii Lindl., 1835 |
| Physosiphon minor Rendle, 1900 |
| Physosiphon minutiflorus Ames & C. Schweinf., 1925 |
| Physosiphon nicaraguensis Liebm., 1853 |
| Physosiphon ochraceus A. Rich. & Galeotti, 1845 |