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CCDB → Angiosperms → Nyctaginaceae → Bougainvillea
| Taxon name | Status | Median (n) |
| Bougainvillea buttiana Holttum & Standl. | Accepted | 10 |
| Bougainvillea glabra Choisy | Accepted | 10 |
| Bougainvillea peruviana Bonpl. | Accepted | 15 |
| Bougainvillea spectabilis Willd. | Accepted | 17 |
| Bougainvillea stipitata Griseb. | Accepted | 17 |
| Bougainvillea brasiliensis Raeusch. | Synonym of Bougainvillea spectabilis Willd. | 17 |