| Melastomataceae | |
Guyonia antennina
| (Sm.) Veranso-Libalah & R.D. Stone | Taxon 66(3): 607 | 2017 |
| Melastomataceae | |
Guyonia arenaria
| (Jacq.-Fél.) Veranso-Libalah & R.D. Stone | Taxon 66(3): 607 | 2017 |
| Melastomataceae | |
Guyonia ciliata
| Hook. f. | Fl. Trop. Afr. 2: 443 | 1871 |
| Melastomataceae | |
Guyonia cinerascens
| (Hutch.) Veranso-Libalah & R.D. Stone | Taxon 66(3): 608 | 2017 |
| Melastomataceae | |
Guyonia entii
| (J.B. Hall) Veranso-Libalah & R.D. Stone | Taxon 66(3): 608 | 2017 |
| Melastomataceae | |
Guyonia glandulosa
| (A. Fern. & R. Fern.) Veranso-Libalah & R.D. Stone | Taxon 66(3): 608 | 2017 |
| Melastomataceae | |
Guyonia gracilis
| A. Chev. | Explor. Bot. Afrique Occ. Franç. 272 | 1920 |
| Melastomataceae | |
Guyonia humilis
| (A. Chev. & Jacq.-Fél.) Veranso-Libalah & R.D. Stone | Taxon 66(3): 608 | 2017 |
| Melastomataceae | |
Guyonia intermedia
| Cogn. | Pl. Thonn. Cong. 30, t. 16 | 1900 |
| Melastomataceae | |
Guyonia jacquesii
| (A. Chev.) Veranso-Libalah & R.D. Stone | Taxon 66(3): 608 | 2017 |
| Melastomataceae | |
Guyonia obamae
| (Lejoly & Lisowski) Veranso-Libalah & R.D. Stone | Taxon 66(3): 608 | 2017 |
| Melastomataceae | |
Guyonia pygmaea
| (A. Chev. & Jacq.-Fél.) Veranso-Libalah & R.D. Stone | Taxon 66(3): 608 | 2017 |
| Melastomataceae | |
Guyonia rupicola
| (Gilg ex Engl.) Veranso-Libalah & R.D. Stone | Taxon 66(3): 608 | 2017 |
| Melastomataceae | |
Guyonia seretii
| (De Wild.) Veranso-Libalah & R.D. Stone | Taxon 66(3): 608 | 2017 |
| Melastomataceae | |
Guyonia sylvestris
| (Jacq.-Fél.) Veranso-Libalah & R.D. Stone | Taxon 66(3): 608–609 | 2017 |
| Melastomataceae | |
Guyonia tenella
| Naudin | Ann. Sci. Nat., Bot., sér. 3, 14(2): 150, t. 12 | 1850 |