| Rubiaceae | |
Psychotria costivenia subsp. altorum
| (Standl. & Steyerm.) Borhidi | Acta Bot. Hung. 46(1–2): 38 | 2004 |
| Rubiaceae | |
Psychotria costivenia var. altorum
| (Standl. & Steyerm.) C.W. Ham. | Phytologia 64(3): 223 | 1988 |
| Rubiaceae | |
Psychotria costivenia subsp. clementis
| (Britton) Borhidi & Oviedo | Acta Bot. Hung. 58(1–2): 16–17 | 2016 |
| Rubiaceae | |
Psychotria costivenia subsp. costivenia
| | | |
| Rubiaceae | |
Psychotria costivenia var. costivenia
| | | |
| Rubiaceae | |
Psychotria costivenia subsp. wrightiana
| Borhidi & Oviedo | Acta Bot. Hung. 58(1–2): 17–18 | 2018 |