| Name | Giliastrum stewartii (I. M. Johnston) J. M. Porter |
| Authorship | (I. M. Johnston) J. M. Porter |
| Rank | Species |
| Placed in | Giliastrum (Brand) Rydberg |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Giliastrum stewartii (I. M. Johnston) J. M. Porter |
| Identification made in | 2018 (1) |