| Rubiaceae | |
Homollea furtiva
| De Block | Eur. J. Taxon. 423: 7–9, figs. 1, 6a | 2018 |
| Rubiaceae | |
Homollea leandrii
| Arènes | Notul. Syst. (Paris) 16: 15–16, t. 3, 9–13 | 1960 |
| Rubiaceae | |
Homollea longiflora
| Arènes | Notul. Syst. (Paris) 16: 16, t. 3, 1–8 | 1960 |
| Rubiaceae | |
Homollea perrieri
| Arènes | Notul. Syst. (Paris) 16: 15, t. 3, 14–20 | 1960 |
| Rubiaceae | |
Homollea septentrionalis
| De Block | Eur. J. Taxon. 423: 16–19, figs. 5, 6B | 2018 |