| Name | Giliastrum acerosum (A. Gray) Rydberg |
| Authorship | (A. Gray) Rydberg |
| Rank | Species |
| Placed in | Giliastrum (Brand) Rydberg |
| Holdings | 54 Specimens held in the Harvard University Herbaria identified as Giliastrum acerosum (A. Gray) Rydberg |
| Identification made in | [no date] (52), 2017 (2) |