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CCDB → Angiosperms → Rubiaceae → Guettarda
| Taxon name | Status | Median (n) |
| Guettarda scabra (L.) Vent. | Accepted | 22 |
| Guettarda speciosa L. | Accepted | 22 |
| Guettarda uruguensis Cham. & Schltdl. | Accepted | None |
| Matthiola undulata (Griseb.) Kuntze | Synonym of Guettarda undulata Griseb. | 7 |