| Name | Isopterygium piliferum (Swartz) Loeske |
| Authorship | (Swartz) Loeske |
| Rank | Species |
| Placed in | Isopterygium |
| Citation | 1910 Stud. Morph. Syst. Laubm. 169 |
| Holdings | 30 Specimens held in the Harvard University Herbaria identified as Isopterygium piliferum (Swartz) Loeske |
| Identification made in | [no date] (30) |