| Psychotria izabalensis L.O. Williams, 1974 |
| Psychotria juarezana C.M. Taylor & Lorence, 1992 |
| Psychotria justicioides Schltdl., 1835 |
| Psychotria laevis DC., 1830 |
| Psychotria laevis var. angustifolia Benth., 1852 |
| Psychotria lilacina Standl. & Steyerm., 1947 |
| Psychotria limonensis K. Krause, 1916 |
| Psychotria longicollis Benth., 1853 |
| Psychotria lorenciana C.M. Taylor, 2002 |
| Psychotria lozadae Borhidi & Lorea-Hern., 2008 |
| Psychotria lundellii Standl., 1940 |
| Psychotria luteotuba Lorence, 1987 |
| Psychotria luxurians Rusby, 1896 |
| Psychotria macrophylla Ruiz & Pav., 1799 |
| Psychotria macrophylla subsp. anomothyrsa (K. Schum. & Donn. Sm.) Steyerm., 1972 |
| Psychotria marginata Sw., 1788 |
| Psychotria megalantha Lorence, 1987 |
| Psychotria megalosperma Vahl, 1807 |
| Psychotria mexiae Standl., 1929 |
| Psychotria micrantha Kunth, 1819 |