| Name | Parahyparrhenia annua (Hackel) Clayton |
| Authorship | (Hackel) Clayton |
| Rank | Species |
| Placed in | Parahyparrhenia |
| Citation | 1966 Kew Bull. 20: 434 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Parahyparrhenia annua (Hackel) Clayton |
| Identification made in | [no date] (4), 2023 (1) |
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