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CCDB → Angiosperms → Apocynaceae → Gomphocarpus
| Taxon name | Status | Median (n) |
| Gomphocarpus fruticosus (L.) W. T. Aiton | Accepted | 11 |
| Gomphocarpus physocarpus E. Mey. | Accepted | 11 |
| Asclepias physocarpa (E. Mey.) Schltr. | Synonym of Gomphocarpus physocarpus E. Mey. | 11 |