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CCDB → Angiosperms → Myrtaceae → Psidium
| Taxon name | Status | Median (n) |
| Psidium acutangulum Mart. ex DC. | Accepted | 22 |
| Psidium cattleianum Afzel. ex Sabine | Accepted | 44 |
| Psidium guajava L. | Accepted | 11 |
| Psidium montanum Sw. | Accepted | None |
| Psidium cerasoides Cambess. | Synonym of Campomanesia guaviroba (DC.) Kiaersk. | 44 |
| Psidium cattleianum Sabine | Synonym of Psidium cattleianum Afzel. ex Sabine | 44 |
| Psidium variabile O. Berg | Synonym of Psidium cattleianum Afzel. ex Sabine | 44 |
| Psidium cattleyanum Sabine | Synonym of Psidium cattleyanum | 22 |
| Psidium friedrichsthalianum Niedenzu | Synonym of Psidium friedrichsthalianum (O. Berg) Nied. | 11 |
| Psidium cinereum Mart. ex DC. | Synonym of Psidium grandifolium Mart. ex DC. | 22 |
| Psidium guava Griseb. | Synonym of Psidium guajava L. | 11 |
| Psidium pumilum Vahl | Synonym of Psidium guajava L. | 11 |
| Psidium molle Bertol. | Synonym of Psidium guineense Sw. | None |
| Psidium coriaceum O. Berg | Synonym of Psidium humile Vell. | None |
| Psidium ratterianum Proen?a & Soares-Silva | Synonym of Psidium ratterianum | 11 |