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CCDB → Angiosperms → Poaceae → Amphicarpum
| Taxon name | Status | Median (n) |
| Amphicarpum muhlenbergianum (Schult.) Hitchc. | Accepted | 9 |
| Amphicarpum purshii Kunth | Synonym of Amphicarpum amphicarpon (Pursh) Nash | 9 |