| Name | Pennisetum longissimum S. L. Chen & Y. X. Jin |
| Authorship | S. L. Chen & Y. X. Jin |
| Rank | Species |
| Placed in | Pennisetum Persoon |
| Citation | 1984 Bull. Bot. Res., Harbin 4(1): 65 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Pennisetum longissimum S. L. Chen & Y. X. Jin |
| Identification made in | [no date] (2) |