| Name | Pileolaria effusa Peck |
| Authorship | Peck |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pileolaria |
| Citation | 1882 Bot. Gaz. 7(5): 55 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Pileolaria effusa Peck |
| Identification made in | [no date] (9) |