| Name | Pseudostachyum polymorphum Munro |
| Authorship | Munro |
| Rank | Species |
| Placed in | Pseudostachyum |
| Citation | 1868 Trans. Linn. Soc. London 26(1): 142 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Pseudostachyum polymorphum Munro |
| Identification made in | [no date] (2) |