| argentina | | oxypetalum capitatum | species | 5 | 0 |
| argentina | | oxypetalum coccineum | species | 1 | 0 |
| argentina | buenos aires city | oxypetalum coeruleum | species | 4 | 0 |
| argentina | buenos aires city | oxypetalum solanoides | species | 4 | 0 |
| argentina | buenos aires province | oxypetalum coeruleum | species | 4 | 0 |
| argentina | buenos aires province | oxypetalum solanoides | species | 4 | 0 |
| argentina | corrientes province | oxypetalum balansae | species | 4 | 0 |
| argentina | tucuman province | oxypetalum brachystemma | species | 4 | 0 |
| bolivia | | oxypetalum sp. wood-16051 | species | 4 | 0 |
| bolivia | santa cruz department | oxypetalum corymbosum | species | 3 | 0 |
| brazil | | oxypetalum appendiculatum | species | 3 | 0 |
| brazil | | oxypetalum banksii | species | 9 | 0 |
| brazil | | oxypetalum insigne | species | 1 | 0 |
| brazil | | oxypetalum lanatum | species | 4 | 0 |
| brazil | | oxypetalum minarum | species | 5 | 0 |
| brazil | | oxypetalum pannosum | species | 6 | 0 |
| brazil | | oxypetalum strictum | species | 1 | 0 |
| brazil | | oxypetalum sublanatum | species | 5 | 0 |
| brazil | | oxypetalum warmingii | species | 6 | 0 |
| brazil | | oxypetalum wightianum | species | 6 | 0 |
| nicaragua | | oxypetalum cordifolium | species | 1 | 0 |
| uruguay | montevideo department | oxypetalum nigricans | species | 3 | 0 |