| Psychotria skutchii Standl., 1937 |
| Psychotria sousae Lorence & Dwyer, 1987 |
| Psychotria steyermarkii Standl., 1940 |
| Psychotria stipulata (Oerst.) Hemsl., 1881 |
| Psychotria subsessilis Benth., 1853 |
| Psychotria tenuifolia Sw., 1788 |
| Psychotria tetrapyrena (Urb.) Urb., 1921 |
| Psychotria thornei Lorence, 1994 |
| Psychotria tolimensis Wernham, 1914 |
| Psychotria trichotoma M. Martens & Galeotti, 1844 |
| Psychotria trispicata Griseb., 1862 |
| Psychotria uliginosa Sw., 1788 |
| Psychotria undata Jacq., 1798 |
| Psychotria uyucana Standl., 1950 |
| Psychotria vallensis Dwyer, 1980 |
| Psychotria veracruzensis Lorence & Dwyer, 1987 |
| Psychotria victoriae Dwyer, 1966 |
| Psychotria viridis Ruiz & Pav., 1799 |
| Psychotria westii DC., 1830 |
| Psychotria yunckeri Standl., 1938 |