| Name | Giliastrum purpusii subsp. stewartii (I. M. Johnston) J. M. Porter |
| Authorship | (I. M. Johnston) J. M. Porter |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Giliastrum purpusii (Brandegee) J. M. Porter |
| GUID | urn:lsid:ipni.org:names:1001850-1 |
| Citation | 1998 Aliso 17: 84 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Giliastrum purpusii subsp. stewartii (I. M. Johnston) J. M. Porter |
| Identification made in | [no date] (1), 2003 (1), 2007 (1) |